Xenobiotic metabolizing enzymes genes regulate via AhR pathway.
\\n\\n
IntechOpen was founded by scientists, for scientists, in order to make book publishing accessible around the globe. Over the last two decades, this has driven Open Access (OA) book publishing whilst levelling the playing field for global academics. Through our innovative publishing model and the support of the research community, we have now published over 5,700 Open Access books and are visited online by over three million academics every month. These researchers are increasingly working in broad technology-based subjects, driving multidisciplinary academic endeavours into human health, environment, and technology.
\\n\\nBy listening to our community, and in order to serve these rapidly growing areas which lie at the core of IntechOpen's expertise, we are launching a portfolio of Open Science journals:
\\n\\nAll three journals will publish under an Open Access model and embrace Open Science policies to help support the changing needs of academics in these fast-moving research areas. There will be direct links to preprint servers and data repositories, allowing full reproducibility and rapid dissemination of published papers to help accelerate the pace of research. Each journal has renowned Editors in Chief who will work alongside a global Editorial Board, delivering robust single-blind peer review. Supported by our internal editorial teams, this will ensure our authors will receive a quick, user-friendly, and personalised publishing experience.
\\n\\n"By launching our journals portfolio we are introducing new, dedicated homes for interdisciplinary technology-focused researchers to publish their work, whilst embracing Open Science and creating a unique global home for academics to disseminate their work. We are taking a leap toward Open Science continuing and expanding our fundamental commitment to openly sharing scientific research across the world, making it available for the benefit of all." Dr. Sara Uhac, IntechOpen CEO
\\n\\n"Our aim is to promote and create better science for a better world by increasing access to information and the latest scientific developments to all scientists, innovators, entrepreneurs and students and give them the opportunity to learn, observe and contribute to knowledge creation. Open Science promotes a swifter path from research to innovation to produce new products and services." Alex Lazinica, IntechOpen founder
\\n\\nIn conclusion, Natalia Reinic Babic, Head of Journal Publishing and Open Science at IntechOpen adds:
\\n\\n“On behalf of the journal team I’d like to thank all our Editors in Chief, Editorial Boards, internal supporting teams, and our scientific community for their continuous support in making this portfolio a reality - we couldn’t have done it without you! With your support in place, we are confident these journals will become as impactful and successful as our book publishing program and bring us closer to a more open (science) future.”
\\n\\nWe invite you to visit the journals homepage and learn more about the journal’s Editorial Boards, scope and vision as all three journals are now open for submissions.
\\n\\nFeel free to share this news on social media and help us mark this memorable moment!
\\n\\n\\n"}]',published:!0,mainMedia:{caption:"",originalUrl:"/media/original/237"}},components:[{type:"htmlEditorComponent",content:'
After years of being acknowledged as the world's leading publisher of Open Access books, today, we are proud to announce we’ve successfully launched a portfolio of Open Science journals covering rapidly expanding areas of interdisciplinary research.
\n\n\n\nIntechOpen was founded by scientists, for scientists, in order to make book publishing accessible around the globe. Over the last two decades, this has driven Open Access (OA) book publishing whilst levelling the playing field for global academics. Through our innovative publishing model and the support of the research community, we have now published over 5,700 Open Access books and are visited online by over three million academics every month. These researchers are increasingly working in broad technology-based subjects, driving multidisciplinary academic endeavours into human health, environment, and technology.
\n\nBy listening to our community, and in order to serve these rapidly growing areas which lie at the core of IntechOpen's expertise, we are launching a portfolio of Open Science journals:
\n\nAll three journals will publish under an Open Access model and embrace Open Science policies to help support the changing needs of academics in these fast-moving research areas. There will be direct links to preprint servers and data repositories, allowing full reproducibility and rapid dissemination of published papers to help accelerate the pace of research. Each journal has renowned Editors in Chief who will work alongside a global Editorial Board, delivering robust single-blind peer review. Supported by our internal editorial teams, this will ensure our authors will receive a quick, user-friendly, and personalised publishing experience.
\n\n"By launching our journals portfolio we are introducing new, dedicated homes for interdisciplinary technology-focused researchers to publish their work, whilst embracing Open Science and creating a unique global home for academics to disseminate their work. We are taking a leap toward Open Science continuing and expanding our fundamental commitment to openly sharing scientific research across the world, making it available for the benefit of all." Dr. Sara Uhac, IntechOpen CEO
\n\n"Our aim is to promote and create better science for a better world by increasing access to information and the latest scientific developments to all scientists, innovators, entrepreneurs and students and give them the opportunity to learn, observe and contribute to knowledge creation. Open Science promotes a swifter path from research to innovation to produce new products and services." Alex Lazinica, IntechOpen founder
\n\nIn conclusion, Natalia Reinic Babic, Head of Journal Publishing and Open Science at IntechOpen adds:
\n\n“On behalf of the journal team I’d like to thank all our Editors in Chief, Editorial Boards, internal supporting teams, and our scientific community for their continuous support in making this portfolio a reality - we couldn’t have done it without you! With your support in place, we are confident these journals will become as impactful and successful as our book publishing program and bring us closer to a more open (science) future.”
\n\nWe invite you to visit the journals homepage and learn more about the journal’s Editorial Boards, scope and vision as all three journals are now open for submissions.
\n\nFeel free to share this news on social media and help us mark this memorable moment!
\n\n\n'}],latestNews:[{slug:"webinar-introduction-to-open-science-wednesday-18-may-1-pm-cest-20220518",title:"Webinar: Introduction to Open Science | Wednesday 18 May, 1 PM CEST"},{slug:"step-in-the-right-direction-intechopen-launches-a-portfolio-of-open-science-journals-20220414",title:"Step in the Right Direction: IntechOpen Launches a Portfolio of Open Science Journals"},{slug:"let-s-meet-at-london-book-fair-5-7-april-2022-olympia-london-20220321",title:"Let’s meet at London Book Fair, 5-7 April 2022, Olympia London"},{slug:"50-books-published-as-part-of-intechopen-and-knowledge-unlatched-ku-collaboration-20220316",title:"50 Books published as part of IntechOpen and Knowledge Unlatched (KU) Collaboration"},{slug:"intechopen-joins-the-united-nations-sustainable-development-goals-publishers-compact-20221702",title:"IntechOpen joins the United Nations Sustainable Development Goals Publishers Compact"},{slug:"intechopen-signs-exclusive-representation-agreement-with-lsr-libros-servicios-y-representaciones-s-a-de-c-v-20211123",title:"IntechOpen Signs Exclusive Representation Agreement with LSR Libros Servicios y Representaciones S.A. de C.V"},{slug:"intechopen-expands-partnership-with-research4life-20211110",title:"IntechOpen Expands Partnership with Research4Life"},{slug:"introducing-intechopen-book-series-a-new-publishing-format-for-oa-books-20210915",title:"Introducing IntechOpen Book Series - A New Publishing Format for OA Books"}]},book:{item:{type:"book",id:"1682",leadTitle:null,fullTitle:"An Ethnography of Global Landscapes and Corridors",title:"An Ethnography of Global Landscapes and Corridors",subtitle:null,reviewType:"peer-reviewed",abstract:"The chapters presented in this book draw on ethnography as a methodology in a variety of disciplines, including education, management, design, marketing, ecology and scientific contexts, illustrating the value of a qualitative approach to research design. 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Six decades ago, researchers made extensive studies to answer a puzzling question. That was how administrating exogenous substances such as polycyclic aromatic hydrocarbons (PAHs) had a potent induction on xenobiotic-metabolizing enzymes in rats’ livers [1, 2]. It was finally Alan Poland and his colleagues who finally answered this question in the early 1970s. Poland discovered a novel hepatic protein in complex with the polycyclic aromatic hydrocarbons compound, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) [2]. The new protein was bound to TCDD in a potent affinity and was isolated from hepatic cytosolic fractions of mice C57BL/6, a mice model strain for studying aromatic hydrocarbon responsiveness. This protein was later termed as the aryl hydrocarbon receptor (AhR) [2] and was identified as a ligand-activated transcription factor.
Later studies showed that AhR is expressed in several tissues including but not limited to; liver, lung, placenta, and heart and different cell types throughout the developmental periods of organ growth [3]. Further knockout studies in mice revealed essential functions for AhR in multiple physiological and pathophysiological pathways [4, 5, 6]. This accumulated knowledge over the last decades defined AhR as an environmental sensor for air pollutants and as a ligand-activated transcriptional factor, which regulates the expression of various genes, including enzymes responsible for xenobiotic metabolism [7].
AhR-mediates the toxicity of uncountable xenobiotics, and their triggered toxicity is accompanied by an overexpression and overactivation of AhR in cells. Thus, it increases the pathophysiological functions of AhR and could develop cancer in different organs such as the breast and liver. In addition, it can also lead to cardiovascular diseases, among other diseases [8, 9]. Thus, targeting AhR with a small molecule agonist/antagonist could efficiently inhibit several of the important hallmarks of various cancers [10].
Computational modeling and computer simulations continue to be an important tool for studying various biological mechanisms and for analyzing the interactions between biomolecular entities (
AhR is a member of the basic helix–loop–helix (bHLH)-PER- ARNT-SIM (PAS) family of transcription factors. The “PAS” term is an abbreviation for three proteins, namely, the Drosophila circadian rhythm protein period (Per), the mammalian AhR nuclear translocator (ARNT), and Drosophila neurogenic protein single-minded (Sim) [7, 14, 15]. Human AhR is a 848 amino acid with a molecular weight of ~96 kDa [16]. It includes two PAS domains, namely PAS A and PAS B, and interacts with the Aryl hydrocarbon nuclear tranlocator (ARNT) protein. Moreover, the PAS B domain involves two interactions sites: a ligand-binding site in which a bound ligand can modulate the AhR activity; and a direct binding interface for the HSP 90-chaperone protein. Additionally, AhR includes a basic helix loop helix motif located near its N-terminal domain, which is responsible for DNA binding as well as contributing to other protein–protein interactions. Finally, the transactivation (
AhR domain structure and sub-domains’ functions.
The AhR PAS B domain can interact with both exogenous and endogenous chemicals from various origins. These interactions can induce different effects on AhR activity, leading to a wide range of physiological and toxicological downstream consequences. For example, several studies showed that environmental pollutants have been associated with developing cardiovascular diseases, cancer, and other diseases through AhR modulation [7, 17, 18]. Exogenous AhR ligands include various aromatic hydrocarbon molecules such as dioxins. One can be exposed to such ligands through contaminated food or environmental pollutants. Following exposure, their interaction with AhR can lead to several toxic effects, including organ dysfunctions, immunotoxicity, and carcinogenicity. On the other hand, endogenous AhR ligands are usually metabolic derivatives derived from cellular processes such as 6-Formylindolo (3,2- b) carbazole (FICZ). The interaction of these ligands with AhR is part of a normal functional response through AhR modulation [7, 19, 20].
AhR is an essential protein that contributes to countless biological pathways to establish its physiological role in developing the immune system and regulating xenobiotic enzymes [7, 15, 21]. AhR knockout mice models showed abnormal female reproductive functions and impairment in managing blood pressure [7]. The overactivation and constitutive activation of AhR have been associated with the initiation, promotion, progression, and invasion of cancer cells. For example, activating AhR by exogenous AhR ligands can have several effects, which includes inducing cell proliferation in the G1-S phase, silencing tumor suppressor genes, and activating proto-oncogenes in cancer cell lines.
Earlier findings showed that the exogenous AhR ligand, 2,3,7,8-tetrachlorodibenzo-p-dioxin TCDD promoted the degradation of cell–cell adhesion and expansion of cancer cells’ motility by separating the Src kinase from the AhR protein complex. Furthermore, the activation of AhR via environmental pollutants can lead to a significant induction of xenobiotic-metabolizing enzymes, including CYP1A, which produces reactive intermediate metabolites and reactive oxygen species to promote tumor growth [14, 22]. In a nutshell, AhR resembles a machinery of genes, which controls xenobiotic-metabolizing enzymes in phases I and II, as shown in Table 1. Also, known AhR agonists such as TCDD and β -naphthoflavone have been shown to induce cellular hypertrophic actions on H9c2 cardiomyoblast cells. This was correlated with an increase in the levels of numerous cytochrome P450 genes, which could overcome by using an AhR antagonist [31].
Metabolism phase | Gene | Reference |
---|---|---|
Phase I | CYP1A1 | [23] |
Phase I | CYP1A2 | [24] |
Phase I | CYP1B1 | [25] |
Phase I | CYP2S1 | [26] |
Phase II | NQO1 NAD(P)H: Quinine oxidoreductase 1 | [27] |
Phase II | GSTA1 Glutathione transferase A1/2 | [28] |
Phase II | UGT1A6 Uridine diphosphate glucuronosyltransferase 1A6 | [29] |
Phase II | ALDH3A1 Aldehyde dehydrogenase 3A1 | [30] |
Xenobiotic metabolizing enzymes genes regulate via AhR pathway.
On the positive side, experiments on a mouse model of induced colitis showed that the endogenous AhR agonist (FICZ), which has a strong binding affinity towards AhR, could block IL-6 and claudin-2 expression, and prevent any induced disorders in the intestinal barrier function through AhR activation [32]. Further protein knockout studies showed that AhR ligands play a fundamental role in autoimmune diseases through regulating Tregs and TH17 cell differentiation in the immune system. For example, FICZ inhibited Treg and TH17 cell development, accelerating experimental autoimmune encephalomyelitis in mice models [21, 33].
AhR is generally expressed in its inactive form in the cytoplasm as part of a protein complex encompassing a dimer heat shock protein, co-chaperone p23, an AhR-interacting protein, called AIP, and the protein kinase SRC (see Figure 2). The PAS B domain within AhR binds to one monomer of the HSP90 dimer and the second HSP90 monomer interacts with the AhR basic helix–loop–helix domain (bHLH) as well as with the PAS A domain [34]. As shown in Figure 2, the bHLH domain within AhR is also crucial for DNA binding in a process initiated by the binding of an AhR ligand within the PAS B domain and its interaction with the co-chaperone P23. Binding to P23 stabilizes AhR in the cytoplasm, protecting it from proteasomal degrading, and also maintains the PAS B domain of AhR in a unique conformation, suitable for strong ligand binding [35, 36].
Canonical pathway of aryl hydrocarbon receptor.
Once an AhR ligand binds to the PAS B domain, it forms an AhR-ligand complex, including p23, SRC, and AIP (see Figure 2). This complex is transformed into an active state and then translocated inside the nucleus. Then in the nucleus, all complex components dissociate from the AhR-ligand complex, excluding an agonist and AhR protein. Subsequently, AhR forms an active heterodimer with ARNT and creates an AhR–ARNT complex. This complex is then recruited to the DNA via the Dioxin response element (DRE), exhibiting a common DNA compromise motif (5′-TNGCGTG-3). This canonical AhR pathway increases the expression of various genes, including the principal ones in xenobiotic metabolism, AhR repressor (AHRR), and other genes [36].
Resolving the full-length three-dimensional structure of AhR has been a challenging exercise for the last two decades. Unfortunately, despite the many efforts towards this goal, there is no complete structure for the whole AhR protein. However, as discussed below, there are a few structures, which describe the number AhR domains. Although these structures do not reveal the exact overall AhR architecture, they can still provide useful information on the function of these separate domains. Giving computational modeling a favorable vantage point to construct reliable hypotheses for the full-length AhR organization for rational drug development and drug screening campaigns.
The first AHR 3D structure was reported in 2013 for the mouse PAS A domain (residues 110 to 267) at a resolution of 2.55 Å (PDB ID: 4M4X) (see Figure 3). This X-ray diffraction-based PAS A homodimer structure was obtained from recombinant
The upper figure represents crystal structure of homodimer mouse AhR-PAS a obtained from protein databank [
Two more additional AhR structures were revealed in 2017 (see Figure 4). The two structures comprise multiple AhR domains and show a clear interaction between AhR and its dimerization partner, ARNT, as well as its interaction with two DNA strands. The two structures (PDB IDs: 5V0L and 5NJ8) [39, 40] were resolved at a resolution of 4.0 and 3.35 Å, respectively and revealed the complex formation among the bHLH and PAS A domains from human AhR and their interactions with ARNT and DNA. However, due to the observed high flexibility of the AhR PAS B domain and the transactive domain (C- terminal), none of these two subdomains were included in this architecture. However, both structures clearly explain the protein–protein interactions (PPI) and show clear interface regions for these interactions between the individual domains within AhR as well as their interactions with ARNET and DNA.
Crystal structure of human aryl hydrocarbon receptor in heterodimer with aryl hydrocarbon nuclear translocator and recruit on DNA in dioxin element response [
As shown in Figure 4, the first PPI interface is between the AhR-ARNT heterodimer with the two DNA strands. This interaction is mediated by DRE Ser36, His39, and Arg40 from the AhR bHLH domain and His79, Asp83, Arg86, and Arg87 from ARNT, as well as thymine and guanine from the DNA. The second PPI interface is between AhR and ARNT through different regions within the two proteins. These regions involve many hydrophobic interactions from both proteins and comprise residues Leu47, Leu50, Leu53, Val74, and Leu70 from the AhR bHLH domain and residues Ile109, Leu112, Val136, and Met139 in ARNT. The third PPI interface involves interactions between residues from the PAS A domain in both AhR and ARNT, mediated by residues Phe117, Leu118, Ala121, Leu122, Tyr137, Val126, Phe266, and Ile268 from AhR. The fourth, and final PPI interface encompasses the interdomain interactions between the AhR bHLH and AhR PAS A domains, through residues Phe136, Ser151, Ile154, and Leu246 from the PAS A domain and Phe56, Val60, Leu72, Ala79, and Phe82 from the bHLH domain.
The wealth of structural information described above on AhR provides an excellent opportunity to apply various computer-based simulations to study the dynamicity and structural organization of the various AhR domains. The applications of such computational tools not only can yield much needed insights on how these domains interact together within the AhR machinery, but can also offer detailed answers on their interactions with other AhR partners (
Most of the
In many AhR studies, the human hypoxia inducible factors (HIF-2α) crystal structures served as templates for AhR-PAS B domain because it has the highest sequence similarity towards the AhR-PAS B domain. Table 2 provides a list of the reported
PDB ID | Structure method | Year of study | Reference |
---|---|---|---|
3H82 | X-ray diffraction | 2014 | [41] |
4GHI | X-ray diffraction | 2014 | [43] |
3H3W | Electron microscopy | 2016 | [44] |
3F1O, 3H7W, 3H82 | X-ray diffraction | 2018, 2018 | [45, 46] |
4XT2 | X-ray diffraction | 2019 | [47] |
3F1N, 3F1O, 3F1P, 3H7W, 3H82, 4GHI, 4GS9, 4XT2, 4ZP4, 4ZQD | X-ray diffraction | 2019 | [12] |
3H82, 3H7W, 4ZQD | X-ray diffraction | 2020 | [48] |
Report studies that used different crystal structures of human hypoxia inducible factors (HIF-2α).
For example, Bisson and his group established an agonist-optimized model of the human AhR-PAS B domain, followed by docking around five thousand chemical structures, including AhR agonists and antagonists, within the PAS B domain. Docking results were then filtered and the top five systems were subjected to long MD simulations (~ 60 ns) to study the conformational and dynamical changes in these generated complexes. Findings from Bisson’s work revealed the importance of residues 307–329 in the PAS B domain, which were shown to be very flexible, acting as an access gate to the ligand-binding pocket. These residues can also adopt different conformations upon AhR ligands’ binding and play a primary function in controlling the structural changes and accessibility of the ligands to the AhR ligand binding pocket [41].
With the 3-dimensional structure of the PAS B domain in hand, many groups focused on studying its binding to different ligands (
Chemical structures of AhR ligands in this study obtained from pubchem database.
Mutations at outer residues (e.g., Arg282, Thr311, Glu339, and Lys350) into alanine did not impact TCDD binding to AhR [57]. In the human AHR-LBD a mutation at Ala375 to Val and Leu decreases the binding affinity of TCDD and makes indirubin a less potent endogenous AhR ligand [45, 58]. Additional site-directed mutagenesis within AhR-LBD residues has been used to identify key residues promoting for ligand selectivity in AhR. These developed models provided a clear basis towards understanding the mechanism of ligand-dependent activation of AHR via its PAS B domain. In particular, the above mentioned molecular docking and mutagenesis analyses helped in identifying and confirming the binding pocket of TCDD and other AhR modulators [52, 57, 59, 60].
Examples of these models include those developed by Kim and her team, who constructed 3D models from several avian species including, chicken, albatross, and cormorant, and studied the sensitivity of dioxin derivatives against multiple AhR isoforms. All models were subjected to docking simulations with TCDD followed by MD simulations. Kim’s results used the mean square displacement (MSD) of the MD trajectories as a stability indicator for the bound ligands. These findings revealed Ile324 and Ser380 from chicken AhR1 exhibited the least MSD values compared to all AhR-LBD residues in other avian species. The size of binding pocket was also shown to be variable among the different species. Moreover, stabilization of TCDD in the binding pocket of chicken AhR relied on the features of Ile324 and Ser380, which explained why chicken AhR is more sensitive to TCDD binding compared to other AhR isoforms [54, 61, 62, 63].
Further mutational and functional analysis studies were expanded to include additional AhR modulators other than TCCD. For example, the work of Faber and her team studied induribin binding to AhR in both mouse and human. This study revealed that a mutation in His326Tyr and Ala349Thr in mouse AhR, and Tyr332 and Thr355 in human AhR can increase the potency of indole compounds, particularly, indirubin. Also, although indirubin and vemurafenib can fit within the same binding pocket in AhR, the two compounds showed two different modes of binding [45, 47]. For example, flutamide efficiently binds to residues inside the AHR-LBD with a high affinity in both mouse and human AHR to activate the AhR pathway [64]. It is important to note that, the biological response of AhR is dependant on the type of the bound ligand and has been shown to change based on the interaction of a given ligand with the residues forming the LBD in the PAS B domain [48, 65].
Over the last few decades, virtual screening has been used as a major tool to in hit identification campaigns against numerous biological targets [66]. In this regard, AhR is no exception and various
Pharmacophore modeling maps the ligand-target interactions into a set of steric and electronic features structured in a specific 3D arrangement [70]. These pharmacophore models can be then used to screen millions of available chemical structural libraries for compounds that satisfy these pharmacophore features, which can be used for scaffold hopping and fragment-based drug design. On the other hand, structure–based methods require the knowledge of target protein crystal structure, or its 3D developed homology models. Ligands from a given database can be fitted into the active site of the target protein and can be ranked based on the predicted binding affinities. In this context, molecular docking and molecular dynamics simulations are among the many valuable tools that can be used to predict the most probable mode of binding of a given ligand within the target. Furthermore, structure-based pharmacophore models can provide more detailed insights on the interaction of ligand with the binding site [69, 71, 72].
As discussed below, several AhR screening studies combined both methods to enhance the search for possible AhR candidates [67, 73]. The plethora of accumulated physicochemical, chemical and structural data on AhR modulators augmented this hit identification search with great tools to build reliable machine learning models, which require large datasets of chemical structures along with their interaction kinetics with AhR [74].
An example of AhR
In a similar approach, Rath and his team built two human PAS B domain; a wild type and mutant (Val381 Ala, Val381Asn) models. Around 60 natural compounds from
Compound name | Induction of AhR transcription | Binding free energy (kcal/mol) | Reference |
---|---|---|---|
Withanolide A | + | −7.5 | [77] |
Pinocembrin (5,7-Dihydroxyflavanone, R-form) | + | −2.9 | [60] |
5-hydroxy-7-methoxyflavone | + | −4.3 | [60] |
IMA-06201 (N-ethyl- | + | Not report | [46] |
IMA-06504 (N-(4-trifluoromethylphenyl)-1,2-dihydro-4-hydroxy-5-methoxy-1-methyl-2-oxo-quinoline-3-carboxamide) | + | Not report | [46] |
Activation of AhR transcription by chemical compounds that identified by in silico screening of different chemical libraries.
In another screening study, Mahiout, et al. identified IMA-06201 and IMA-06504 as two novel AhR agonists, with similar modes of binding to that of TCDD. Both compounds showed great stability in the central area of the AhR ligand-binding pocket. Furthermore, these AhR agonists were shown to be more efficient and more potent as selective AhR modulators than TCDD. To confirm that, Mahiout used CYP1A1 enzyme activity as a biomarker for AhR activation and compared the efficacy and potency of IMA-06201 and IMA-06504 (see Figure 5 and Table 3) to that of TCDD in the presence and absence of the AhR antagonist, CH-223191, at different concentrations in rat hepatoma cell lines. Their results showed that the new compounds, IMA-06201 and IMA-06504, were able to induce CYP1A1 activity in a similar efficacy to that of TCDD, where CH-223191 was shown to block their CYP1A1 induction. Also, in an Ames test to assess the genotoxicity of the new identified compounds, IMA-06201 and IMA-06504 did not show mutagenic effects at low concentrations [46].
Machine-learning algorithms combined with QSAR have been recently used to screen for new AhR ligands. For instance, Matsuzaka used deep learning (DL) to construct machine-learning models to predict AhR activators. These models showed advantages on enhanced input data based on the 3D chemical structures of the compounds into these models, and their performance was better than traditional machine learning models [78]. To enhance the screening process of AhR ligands, Zhu established a virtual screening protocol from combining ligand-based and structure-based screening with supervised machine learning to screen around eight thousand from the pesticide databases to identify an agonistic effect on AHR activity. Zhu’s results revealed sixteen compounds as AhR activators and these findings were validated in a zebrafish
Towards improving the prediction accuracy of his model, Yang, et al. used machine learning algorithms to construct two-dimensional quantitative structure–activity relationship (2D-QSAR) models from multiple linear regression (MLR) and artificial neural network (ANN) algorithms. He used the pEC50 values of 60 dioxins derivatives as AhR activators to build. These models predicted the toxicity of 162 new dioxin derivatives, showing a good correlation between compounds’ chemical structures and their IC50 and EC50 values.
Recently, Goya-Jorge employed various machine learning algorithms to build a set of QSAR models. These models adopted the adoboost (AdB), random forest (RF), gradient boosting (GB), support vector machine (SVM), and multilayer perceptron (MLP) as classifiers to examine around 1900 compounds from synthetic and natural sources on their AhR agonism. Around 40 compounds baring the benzothiazole scaffold were classified as AhR agonists. In vitro validation of these hits showed that indole derivatives can serve as AhR ligands, including the endogenous substances [80, 81]. Table 3 reports some of the top hits emerging from different
Identifying novel AhR modulators using in silico approaches require establishing more comprehensive computational models of this target. These models should describe the detailed organization of the different AhR domains as well is its interaction with other protein/DNA partners. While the available crystal structures provide a glimpse of these missing pieces of information, there are still more to be done in this regard. For example, all currently available AhR crystal structures deposited in the protein data bank are lacking two important AhR domains, namely the PAS B domain and the transactivation domain [39]. The transactivation domain is essential in AhR intercellular trafficking.
On the other hand, the PAS B domain interacts with an AhR ligand, which can modulate the AhR activity. While homology modeling has helped constructing acceptable models for this domain, the similarity of the templates used to build the PAS B domain is very low, leaving a lot of doubt about their accuracy. A crystal structure of the PAS B domain would be a great leap forward towards understanding the mode of action of AhR modulators and towards identifying better agonists/antagonists for this important target. Furthermore, there is a gap of knowledge on how AhR interact with other protein partners in the inactive state, including co-chaperone, AIP, and the protein kinase SRC. This builds an additional challenge to identify druggable pockets at their protein–protein interfaces [7, 82]. With the apparent advances in obtaining 3D experimental structures of protein (e.g. Cryo-electron microscopy (cryo-EM)) one expects several of these structural challenges can be solved in the near future, opening new gates for the computational science to identify new AhR modulators and to help understand its functional, structural and biological characterizes more clearly.
The AhR is a ligand-activated transcriptional factor. It regulates various genes’ expression and plays a pathophysiological function in numerous diseases. Crystallography has been employed to resolve three crystal structures containing bHLH and PAS A domains from human and mouse origin and to identify four protein–protein interfaces. However, all these structures lacked the PAS B domain, which plays a fundamental role in ligands’ binding domain to AhR. Computational and mutational studies revealed important residues that constitute the binding pockets within the PAS B domain. Towards identifying novel AhR modulators, several virtual screening and machine learning algorithms were constructed based on the available structural and pharmacological properties of known AhR ligands. Computational methods are extremely fast and intensely reduce the cost and time in screening millions of compounds to find compounds that could interact with the AhR. Recent studies employing these methods against AhR have been reviewed and discussed in this chapter. We hope the literature presented here can help advance the development of novel, selective and potent AhR modulators.
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2022",editors:[{id:"90846",title:"Prof.",name:"Yusuf",middleName:null,surname:"Bozkurt",slug:"yusuf-bozkurt",fullName:"Yusuf Bozkurt"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}},{type:"book",id:"10940",title:"Plant Hormones",subtitle:"Recent Advances, New Perspectives and Applications",isOpenForSubmission:!1,hash:"5aae8a345f8047ed528914ff3491f643",slug:"plant-hormones-recent-advances-new-perspectives-and-applications",bookSignature:"Christophe Hano",coverURL:"https://cdn.intechopen.com/books/images_new/10940.jpg",editedByType:"Edited by",publishedDate:"May 25th 2022",editors:[{id:"313856",title:"Dr.",name:"Christophe",middleName:"F.E.",surname:"Hano",slug:"christophe-hano",fullName:"Christophe Hano"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}},{type:"book",id:"10207",title:"Sexual Abuse",subtitle:"An Interdisciplinary Approach",isOpenForSubmission:!1,hash:"e1ec1d5a7093490df314d7887e0b3809",slug:"sexual-abuse-an-interdisciplinary-approach",bookSignature:"Ersi Kalfoğlu and Sotirios Kalfoglou",coverURL:"https://cdn.intechopen.com/books/images_new/10207.jpg",editedByType:"Edited by",publishedDate:"May 25th 2022",editors:[{id:"68678",title:"Dr.",name:"Ersi",middleName:null,surname:"Kalfoglou",slug:"ersi-kalfoglou",fullName:"Ersi Kalfoglou"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}}]},subject:{topic:{id:"40",title:"Marine Biology",slug:"agricultural-and-biological-sciences-marine-biology",parent:{id:"5",title:"Agricultural and Biological Sciences",slug:"agricultural-and-biological-sciences"},numberOfBooks:3,numberOfSeries:0,numberOfAuthorsAndEditors:74,numberOfWosCitations:51,numberOfCrossrefCitations:27,numberOfDimensionsCitations:60,videoUrl:null,fallbackUrl:null,description:null},booksByTopicFilter:{topicId:"40",sort:"-publishedDate",limit:12,offset:0},booksByTopicCollection:[{type:"book",id:"10251",title:"Plankton Communities",subtitle:null,isOpenForSubmission:!1,hash:"e11e441ca2d2d5f631b1b4704505cfb6",slug:"plankton-communities",bookSignature:"Leonel Pereira and Ana Marta Gonçalves",coverURL:"https://cdn.intechopen.com/books/images_new/10251.jpg",editedByType:"Edited by",editors:[{id:"279788",title:"Dr.",name:"Leonel",middleName:null,surname:"Pereira",slug:"leonel-pereira",fullName:"Leonel Pereira"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}},{type:"book",id:"5895",title:"Chondrichthyes",subtitle:"Multidisciplinary Approach",isOpenForSubmission:!1,hash:"b1860c7ca50c0cf7b5442fe1539fa3a0",slug:"chondrichthyes-multidisciplinary-approach",bookSignature:"Luis Fernando da Silva Rodrigues Filho and João Bráullio de Luna Sales",coverURL:"https://cdn.intechopen.com/books/images_new/5895.jpg",editedByType:"Edited by",editors:[{id:"104512",title:"Dr.",name:"Luis Fernando",middleName:null,surname:"Rodrigues-Filho",slug:"luis-fernando-rodrigues-filho",fullName:"Luis Fernando Rodrigues-Filho"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}},{type:"book",id:"5210",title:"Fisheries and Aquaculture in the Modern World",subtitle:null,isOpenForSubmission:!1,hash:"1c78e2a5e686279a30ed3fb640769dad",slug:"fisheries-and-aquaculture-in-the-modern-world",bookSignature:"Heimo Mikkola",coverURL:"https://cdn.intechopen.com/books/images_new/5210.jpg",editedByType:"Edited by",editors:[{id:"144330",title:"Dr.",name:"Heimo",middleName:"Juhani",surname:"Mikkola",slug:"heimo-mikkola",fullName:"Heimo Mikkola"}],equalEditorOne:null,equalEditorTwo:null,equalEditorThree:null,productType:{id:"1",chapterContentType:"chapter",authoredCaption:"Edited by"}}],booksByTopicTotal:3,seriesByTopicCollection:[],seriesByTopicTotal:0,mostCitedChapters:[{id:"50559",doi:"10.5772/63026",title:"Oil and Gas Platforms in the Gulf of Mexico: Their Relationship to Fish and Fisheries",slug:"oil-and-gas-platforms-in-the-gulf-of-mexico-their-relationship-to-fish-and-fisheries",totalDownloads:1624,totalCrossrefCites:7,totalDimensionsCites:15,abstract:"There are over 2300 standing oil and gas platforms in the northern Gulf of Mexico (GOM). It has been argued that platforms provide reef-like habitat that increases the growth and survival rates of fishes by increasing prey availability and affording shelter for protection from predators, provide additional spawning substrate, and by acting as a visual attractant for organisms not otherwise dependent upon hard bottom. Platforms differ from most natural habitats, and from traditional artificial reefs, in that their vertical profile extends upward through the water column into the photic zone and the sea surface. Increased habitat quality on, or immediately around, oil and gas platforms are thought to be derived from increased in situ food production associated with encrustation by fouling organisms. In this chapter, we address the issue of how to evaluate the role of artificial reefs by first establishing levels of evaluation for individual fish species found on oil and gas platforms in the GOM. The levels of evaluation relate to the amount and adequacy of the available information, which was populated with an extensive literature and data search. Three levels of assessment are established, analogous to the levels of analysis established National Oceanographic and Atmospheric Administration (NOAA) Fisheries for identification of Essential Fish Habitat. More than 1300 documents, including reports, stock assessments, other gray literature, and papers published in the primary literature, were used to complete this chapter. When available, published literature was the preferred source of information.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"James H. Cowan and Kenneth A. Rose",authors:[{id:"139993",title:"Dr.",name:"James",middleName:"Howard",surname:"Cowan, Jr.",slug:"james-cowan-jr.",fullName:"James Cowan, Jr."}]},{id:"50363",doi:"10.5772/62876",title:"The Brown Seaweeds Fishery in Chile",slug:"the-brown-seaweeds-fishery-in-chile",totalDownloads:1718,totalCrossrefCites:4,totalDimensionsCites:10,abstract:"Chilean fishery of brown algae includes species belonging to the genus Lessonia, Durvillaea, and Macrocystis, which can be found along the coast, ranging latitudes from 18° to 55°S. The exploitation of these seaweeds is done mainly in the Northern coast because the environmental conditions of this region decrease initial production costs. Brown algae are exploited from natural populations and exported to international markets as row material, source of alginates, widely utilized in diverse manufacturing processes and industries. International demand for Chilean kelps has produced sustained increase in harvest during the last decade, reaching more than 390,000 dry tons/year. This chapter approaches the most relevant aspects of the brown seaweed fishery in Chile which covers a wide range of the Southeast Pacific coast, considering the number of commercial species, its abundance and distribution, knowledge achieved on their ecology and biology regarding management, and conservation of these resources, and finally, provides tools for stakeholders and policy makers directed to sustainable management of natural kelp beds occurring in the cold temperate seas.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Julio A. Vásquez",authors:[{id:"180745",title:"Dr.",name:"Julio",middleName:null,surname:"Vásquez",slug:"julio-vasquez",fullName:"Julio Vásquez"}]},{id:"55984",doi:"10.5772/intechopen.69471",title:"Deep-Water Sharks, Rays, and Chimaeras of Brazil",slug:"deep-water-sharks-rays-and-chimaeras-of-brazil",totalDownloads:1575,totalCrossrefCites:2,totalDimensionsCites:9,abstract:"The deep-water fishery in Brazil is currently in expansion due to depletion of most neritic economic species. This increasing deep-water effort brings concern on the bycatch impact, its specific composition, the need for capture’s evaluation and development of bycatch reduction devices. The impact is particularly aggressive on deep-water elasmobranchs, which have an extreme ecological k-strategy due to their reproductive constraints (lower fecundity and late first maturity age). Scientific deep-water surveys and intensive research programs (REVIZEE) along the past decade indicate that Brazilian elasmobranch diversity is higher than previously imagined. However, the deep-water fishery threatens this poorly known community of sharks and rays on the Brazilian continental slope as they become bycatch of a fast-growing and uncontrolled fishery. The recent study case of the monkfish (Lophius gastrophysus) fishery dynamics, well presented and discussed by the Brazilian scientific community, provided evidence of the need of bycatch-specific monitoring programs and fast-response fishery regulations. The present work discusses the Brazilian deep-water elasmobranch bycatch problem under the light of its biological diversity and completely unknown population status. Suggestions and management considerations are presented in order to coordinate and manage the establishment and growth of this deep-water fishery in Brazil.",book:{id:"5895",slug:"chondrichthyes-multidisciplinary-approach",title:"Chondrichthyes",fullTitle:"Chondrichthyes - Multidisciplinary Approach"},signatures:"Getulio Rincon, Rodrigo Cordeiro Mazzoleni, Ana Rita Onodera\nPalmeira and Rosangela Lessa",authors:[{id:"205621",title:"Dr.",name:"Getulio",middleName:null,surname:"Rincon",slug:"getulio-rincon",fullName:"Getulio Rincon"},{id:"206465",title:"MSc.",name:"Rodrigo",middleName:null,surname:"Mazzoleni",slug:"rodrigo-mazzoleni",fullName:"Rodrigo Mazzoleni"},{id:"206466",title:"MSc.",name:"Ana Rita",middleName:null,surname:"Palmeira",slug:"ana-rita-palmeira",fullName:"Ana Rita Palmeira"},{id:"206467",title:"Dr.",name:"Rosangela",middleName:null,surname:"Lessa",slug:"rosangela-lessa",fullName:"Rosangela Lessa"}]},{id:"56228",doi:"10.5772/intechopen.70028",title:"A Review of the Mitogenomic Phylogeny of the Chondrichthyes",slug:"a-review-of-the-mitogenomic-phylogeny-of-the-chondrichthyes",totalDownloads:1441,totalCrossrefCites:6,totalDimensionsCites:9,abstract:"The phylogenetic analysis of the Chondrichthyes has been the subject of intense debate over the past two decades. The principal relationships within the group based on the analysis of morphological traits are inconsistent with the available molecular topologies, and the phylogeny of these animals is highly controversial, at all levels, ranging from superorders to families and even the genera within families. With the recent development of new generation sequencing (NGS), many phylogenies are now being inferred based on the complete genome of the species. In 2015 and 2016 alone, around 21 new elasmobranch genomes were made available in GenBank. In this context, the principal objective of the present study was to infer the phylogeny of the sharks and rays based on the complete mitochondrial genomes available in the literature. A total of 73 mitogenomes of chondrichthyan species were analyzed. The phylogenetic trees generated rejected the “Hypnosqualea” hypothesis and confirmed the monophyly of the Neoselachii and Batoidea as sister groups of the sharks. These mitogenomic analyses provided ampler and more complete insights into the relationships between the sharks and rays, in particular, the topologies obtained by the analyses revealed a number of incongruities in certain groups of sharks and rays, and the interrelationships between them.",book:{id:"5895",slug:"chondrichthyes-multidisciplinary-approach",title:"Chondrichthyes",fullTitle:"Chondrichthyes - Multidisciplinary Approach"},signatures:"Divino Bruno da Cunha, Luis Fernando da Silva Rodrigues‐Filho and\nJoão Bráullio de Luna Sales",authors:[{id:"104512",title:"Dr.",name:"Luis Fernando",middleName:null,surname:"Rodrigues-Filho",slug:"luis-fernando-rodrigues-filho",fullName:"Luis Fernando Rodrigues-Filho"},{id:"205219",title:"Dr.",name:"Divino Bruno",middleName:null,surname:"Da Cunha",slug:"divino-bruno-da-cunha",fullName:"Divino Bruno Da Cunha"},{id:"205690",title:"Dr.",name:"João Bráullio De",middleName:null,surname:"Luna Sales",slug:"joao-braullio-de-luna-sales",fullName:"João Bráullio De Luna Sales"}]},{id:"52331",doi:"10.5772/64252",title:"Setting Up Traceability Tools for the Indonesian Blue Swimming Crab Fishery: A Case Study in Southeast Sulawesi",slug:"setting-up-traceability-tools-for-the-indonesian-blue-swimming-crab-fishery-a-case-study-in-southeas",totalDownloads:1667,totalCrossrefCites:2,totalDimensionsCites:5,abstract:"The Indonesian blue swimming crab fishery developed rapidly during the 1990s to become an important source of income for coastal communities. The blue swimming crab (BSC) in 2015 is the third highest export commodity in Indonesia, primarily to USA markets. Southeast (SE) Sulawesi is a relatively minor area for blue swimming crab production (approximately 1200–2000 mt per annum), in which only a subset of Asosiasi Pengelolaan Rajungan Indonesia (APRI) members are active, and it may be a conducive region in which to conduct a pilot activity to form a fisheries management structure that demonstrates the benefits that can be achieved via collaboration. The control document (CD) is a traceability and documentation process to be implemented by all of the segments of the supply chain (collectors/cooking stations, miniplants, and processors) in order to promote compliance to new Ministry and Marine Affair (MMAF) regulations and generate the records and documents of the supply chain application and verification of the new regulations. The self-recorded logbook by the fishermen and miniplant, as the point in the supply chain, could help with a meaningful and long-term solution to the fishery management in Southeast Sulawesi. This is the first trial of CD in Indonesia and could be a good model for BSC fishery in other region in Indonesia.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Hawis Madduppa, Zairion, Siti Nuraini, Kuncoro Nugroho and\nBambang Arif Nugraha",authors:[{id:"180161",title:"Dr.",name:"Hawis",middleName:null,surname:"Madduppa",slug:"hawis-madduppa",fullName:"Hawis Madduppa"},{id:"185944",title:"Dr.",name:"Zairion",middleName:null,surname:"Zairion",slug:"zairion-zairion",fullName:"Zairion Zairion"},{id:"185945",title:"Mrs.",name:"Siti",middleName:null,surname:"Nuraini",slug:"siti-nuraini",fullName:"Siti Nuraini"},{id:"185946",title:"Mr.",name:"Bambang Arif",middleName:null,surname:"Nugraha",slug:"bambang-arif-nugraha",fullName:"Bambang Arif Nugraha"},{id:"185947",title:"Mr.",name:"Kuncoro Catur",middleName:null,surname:"Nugroho",slug:"kuncoro-catur-nugroho",fullName:"Kuncoro Catur Nugroho"}]}],mostDownloadedChaptersLast30Days:[{id:"50289",title:"Effect of Special Fish Feed Prepared Using Food Industrial Waste on Labeo rohita",slug:"effect-of-special-fish-feed-prepared-using-food-industrial-waste-on-labeo-rohita",totalDownloads:2260,totalCrossrefCites:0,totalDimensionsCites:0,abstract:"All food processing industries generate wastes of varying nature in significant quantities. Managing these wastes so as to minimize the impact on the environment is the prime concern. The concept of waste has undergone much change in recent times, with the focus being on utilizing the waste materials as inputs for generation of new or reusable products. Vegetable and fruit wastes are generated in significant quantities and are easily available at minimal charge. The comparative utilization of these wastes as a dietary ingredient was assessed employing the Labeo rohita fingerlings as the test species. The study was conducted over a period of 60 days. Orange peels and potato peels are characterized, and then, formulation of orange peel feed (OPF) and potato peel feed (PPF) was carried out. Market common fish feed (CFF) was taken as a control. The three test diets were designated as CFF, OPF and PPF. Feeding was done once daily. The water quality parameters such as dissolved oxygen, water temperature pH, total alkalinity, total hardness; calcium hardness and magnesium hardness as well as growth response were monitored at fortnightly intervals. The quality of water was maintained by periodic partial replenishment over the period of study. On termination of the trial, higher growth response was recorded in the PPF treatment. The initial and final weight and length of fishes was recorded. The results shows significant growth in PPF and OPF showed brighter body scales than other two feed. Fishes were very healthy and normal throughout the study period indicating no adverse effect on their health. No infection whatsoever was noted during 60 days of experimental period.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Sanyogita R. Verma and Shanta Satyanarayan",authors:[{id:"183699",title:"Dr.",name:"Verma",middleName:"Rajroop",surname:"Sanyogita",slug:"verma-sanyogita",fullName:"Verma Sanyogita"},{id:"185353",title:"Dr.",name:"Shanta",middleName:null,surname:"Satyanarayan",slug:"shanta-satyanarayan",fullName:"Shanta Satyanarayan"}]},{id:"51124",title:"Fishery Status and Taxonomy of the Carangids (Pisces) in the Northern Arabian Sea Coast of Pakistan",slug:"fishery-status-and-taxonomy-of-the-carangids-pisces-in-the-northern-arabian-sea-coast-of-pakistan",totalDownloads:1937,totalCrossrefCites:0,totalDimensionsCites:0,abstract:"The objectives of this study were i) to evaluate number of existing members of the family Carangidae in the area ii) to establish a distinguishable and lucid key based on the taxonomic characteristics, meristic count and otolith description. In this study, thirty-six species were collected from the main fish landing facilities between 2012~2015. Fish body colour, taxonomic characteristics, fin rays and otolith shape description were used to identify each species. Otolith description comprises of shape of ostium, sulcus and margins of anterior and posterior surface along with distinct definite shape possess by each species make it easier for identification.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Nazia Qamar, Sher Khan Panhwar and Ghazala Siddiqui",authors:[{id:"182414",title:"Dr.",name:"Sher Khan",middleName:null,surname:"Panhwar",slug:"sher-khan-panhwar",fullName:"Sher Khan Panhwar"},{id:"184264",title:"Dr.",name:"Nazia",middleName:null,surname:"Qamar",slug:"nazia-qamar",fullName:"Nazia Qamar"},{id:"184265",title:"Prof.",name:"Ghazala",middleName:null,surname:"Siddiqui",slug:"ghazala-siddiqui",fullName:"Ghazala Siddiqui"}]},{id:"50583",title:"Trawl Selectivity in the Barents Sea Demersal Fishery",slug:"trawl-selectivity-in-the-barents-sea-demersal-fishery",totalDownloads:1678,totalCrossrefCites:1,totalDimensionsCites:1,abstract:"This chapter provides a general overview of the Barents Sea demersal trawl fishery. First, it reviews historical catch levels and current biomass status of four commercially important demersal species (cod, haddock, Greenland halibut, and redfish) and includes an overview of their management plan that has been carried out by the Joint Norwegian–Russian commission. Then, it presents the evolution of the technical regulations for improving size selectivity in this fishery and describes current challenges in gear selectivity. Later, this chapter describes the concept of size selectivity, introduces the selective parameters that define a selection curve, and progressively introduces different parametric models that describe the selection process. The most common experimental methods and gear used to collect selectivity data are described, and their advantages and disadvantages are discussed. Finally, this chapter describes an alternative, or a complementary method, to the conventional estimation of trawl selectivity—the FISHSELECT method. This method is based on morphology measurements and fish penetration models to estimate the selective properties of different mesh shapes and sizes at different mesh openings, which are later used to provide simulation-based prediction of size selectivity. FISHSELECT has already been applied to four important species of the Barents Sea Demersal Fishery, and the results have in all cases showed to be coherent with the results obtained from sea trial results.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Eduardo Grimaldo, Manu Sistiaga, Bent Herrmann and Roger B.\nLarsen",authors:[{id:"107079",title:"Dr.",name:"Eduardo",middleName:null,surname:"Grimaldo",slug:"eduardo-grimaldo",fullName:"Eduardo Grimaldo"},{id:"185311",title:"Dr.",name:"Manu",middleName:null,surname:"Sistiaga",slug:"manu-sistiaga",fullName:"Manu Sistiaga"},{id:"185312",title:"Dr.",name:"Bent",middleName:null,surname:"Herrmann",slug:"bent-herrmann",fullName:"Bent Herrmann"},{id:"185313",title:"Prof.",name:"Roger B.",middleName:null,surname:"Larsen",slug:"roger-b.-larsen",fullName:"Roger B. Larsen"}]},{id:"50363",title:"The Brown Seaweeds Fishery in Chile",slug:"the-brown-seaweeds-fishery-in-chile",totalDownloads:1718,totalCrossrefCites:4,totalDimensionsCites:10,abstract:"Chilean fishery of brown algae includes species belonging to the genus Lessonia, Durvillaea, and Macrocystis, which can be found along the coast, ranging latitudes from 18° to 55°S. The exploitation of these seaweeds is done mainly in the Northern coast because the environmental conditions of this region decrease initial production costs. Brown algae are exploited from natural populations and exported to international markets as row material, source of alginates, widely utilized in diverse manufacturing processes and industries. International demand for Chilean kelps has produced sustained increase in harvest during the last decade, reaching more than 390,000 dry tons/year. This chapter approaches the most relevant aspects of the brown seaweed fishery in Chile which covers a wide range of the Southeast Pacific coast, considering the number of commercial species, its abundance and distribution, knowledge achieved on their ecology and biology regarding management, and conservation of these resources, and finally, provides tools for stakeholders and policy makers directed to sustainable management of natural kelp beds occurring in the cold temperate seas.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Julio A. Vásquez",authors:[{id:"180745",title:"Dr.",name:"Julio",middleName:null,surname:"Vásquez",slug:"julio-vasquez",fullName:"Julio Vásquez"}]},{id:"50462",title:"Direction of Fisheries (SUISAN) Education from a Historical Perspective in Japan",slug:"direction-of-fisheries-suisan-education-from-a-historical-perspective-in-japan",totalDownloads:1408,totalCrossrefCites:0,totalDimensionsCites:0,abstract:"Fishing, aquaculture, and food processing is collectively referred to as “SUISAN”, and the term was translated to “fisheries” in the Meiji period. Fisheries education in Japan was at its dawn. Fisheries education was necessary for improvement of local fisheries subsistence. Fisheries education was performed, centering on nurturing of mid-career engineers for deep-sea fishing after 1950s. However, when the Heisei period in the 1990s started, “participatory = citizen involvement type fisheries education” was promoted extensively. Future establishment of a Japanese version of Sea Grants is desired to promote citizen involvement in fisheries education with systematized involvement of universities, research institutions, aquaria, and local people.",book:{id:"5210",slug:"fisheries-and-aquaculture-in-the-modern-world",title:"Fisheries and Aquaculture in the Modern World",fullTitle:"Fisheries and Aquaculture in the Modern World"},signatures:"Tsuyoshi Sasaki",authors:[{id:"180712",title:"Dr.",name:"Tsuyoshi",middleName:null,surname:"Sasaki",slug:"tsuyoshi-sasaki",fullName:"Tsuyoshi Sasaki"}]}],onlineFirstChaptersFilter:{topicId:"40",limit:6,offset:0},onlineFirstChaptersCollection:[],onlineFirstChaptersTotal:0},preDownload:{success:null,errors:{}},subscriptionForm:{success:null,errors:{}},aboutIntechopen:{},privacyPolicy:{},peerReviewing:{},howOpenAccessPublishingWithIntechopenWorks:{},sponsorshipBooks:{sponsorshipBooks:[],offset:0,limit:8,total:null},allSeries:{pteSeriesList:[{id:"14",title:"Artificial Intelligence",numberOfPublishedBooks:9,numberOfPublishedChapters:87,numberOfOpenTopics:6,numberOfUpcomingTopics:0,issn:"2633-1403",doi:"10.5772/intechopen.79920",isOpenForSubmission:!0},{id:"7",title:"Biomedical Engineering",numberOfPublishedBooks:12,numberOfPublishedChapters:99,numberOfOpenTopics:3,numberOfUpcomingTopics:0,issn:"2631-5343",doi:"10.5772/intechopen.71985",isOpenForSubmission:!0}],lsSeriesList:[{id:"11",title:"Biochemistry",numberOfPublishedBooks:27,numberOfPublishedChapters:288,numberOfOpenTopics:4,numberOfUpcomingTopics:0,issn:"2632-0983",doi:"10.5772/intechopen.72877",isOpenForSubmission:!0},{id:"25",title:"Environmental Sciences",numberOfPublishedBooks:1,numberOfPublishedChapters:9,numberOfOpenTopics:4,numberOfUpcomingTopics:0,issn:"2754-6713",doi:"10.5772/intechopen.100362",isOpenForSubmission:!0},{id:"10",title:"Physiology",numberOfPublishedBooks:11,numberOfPublishedChapters:139,numberOfOpenTopics:4,numberOfUpcomingTopics:0,issn:"2631-8261",doi:"10.5772/intechopen.72796",isOpenForSubmission:!0}],hsSeriesList:[{id:"3",title:"Dentistry",numberOfPublishedBooks:8,numberOfPublishedChapters:129,numberOfOpenTopics:0,numberOfUpcomingTopics:2,issn:"2631-6218",doi:"10.5772/intechopen.71199",isOpenForSubmission:!1},{id:"6",title:"Infectious Diseases",numberOfPublishedBooks:13,numberOfPublishedChapters:107,numberOfOpenTopics:3,numberOfUpcomingTopics:1,issn:"2631-6188",doi:"10.5772/intechopen.71852",isOpenForSubmission:!0},{id:"13",title:"Veterinary Medicine and Science",numberOfPublishedBooks:11,numberOfPublishedChapters:104,numberOfOpenTopics:3,numberOfUpcomingTopics:0,issn:"2632-0517",doi:"10.5772/intechopen.73681",isOpenForSubmission:!0}],sshSeriesList:[{id:"22",title:"Business, Management and Economics",numberOfPublishedBooks:1,numberOfPublishedChapters:12,numberOfOpenTopics:2,numberOfUpcomingTopics:1,issn:"2753-894X",doi:"10.5772/intechopen.100359",isOpenForSubmission:!0},{id:"23",title:"Education and Human Development",numberOfPublishedBooks:0,numberOfPublishedChapters:0,numberOfOpenTopics:2,numberOfUpcomingTopics:0,issn:null,doi:"10.5772/intechopen.100360",isOpenForSubmission:!1},{id:"24",title:"Sustainable Development",numberOfPublishedBooks:0,numberOfPublishedChapters:11,numberOfOpenTopics:4,numberOfUpcomingTopics:1,issn:null,doi:"10.5772/intechopen.100361",isOpenForSubmission:!0}],testimonialsList:[{id:"6",text:"It is great to work with the IntechOpen to produce a worthwhile collection of research that also becomes a great educational resource and guide for future research endeavors.",author:{id:"259298",name:"Edward",surname:"Narayan",institutionString:null,profilePictureURL:"https://mts.intechopen.com/storage/users/259298/images/system/259298.jpeg",slug:"edward-narayan",institution:{id:"3",name:"University of Queensland",country:{id:null,name:"Australia"}}}},{id:"13",text:"The collaboration with and support of the technical staff of IntechOpen is fantastic. 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Much of biochemistry is devoted to enzymes, proteins that catalyze chemical reactions, enzyme structures, mechanisms of action and their roles within cells. Biochemistry also studies small signaling molecules, coenzymes, inhibitors, vitamins, and hormones, which play roles in life processes. Biochemical experimentation, besides coopting classical chemistry methods, e.g., chromatography, adopted new techniques, e.g., X-ray diffraction, electron microscopy, NMR, radioisotopes, and developed sophisticated microbial genetic tools, e.g., auxotroph mutants and their revertants, fermentation, etc. More recently, biochemistry embraced the ‘big data’ omics systems. Initial biochemical studies have been exclusively analytic: dissecting, purifying, and examining individual components of a biological system; in the apt words of Efraim Racker (1913 –1991), “Don’t waste clean thinking on dirty enzymes.” Today, however, biochemistry is becoming more agglomerative and comprehensive, setting out to integrate and describe entirely particular biological systems. The ‘big data’ metabolomics can define the complement of small molecules, e.g., in a soil or biofilm sample; proteomics can distinguish all the comprising proteins, e.g., serum; metagenomics can identify all the genes in a complex environment, e.g., the bovine rumen. 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Dr. Blumenberg’s research is focused on the epidermis, expression of keratin genes, transcription profiling, keratinocyte differentiation, inflammatory diseases and cancers, and most recently the effects of the microbiome on the skin. He has published more than 100 peer-reviewed research articles and graduated numerous Ph.D. and postdoctoral students.",institutionString:null,institution:{name:"New York University Langone Medical Center",institutionURL:null,country:{name:"United States of America"}}},editorTwo:null,editorThree:null},subseries:{paginationCount:9,paginationItems:[{id:"14",title:"Cell and Molecular Biology",coverUrl:"https://cdn.intechopen.com/series_topics/covers/14.jpg",editor:{id:"165627",title:"Dr.",name:"Rosa María",middleName:null,surname:"Martínez-Espinosa",slug:"rosa-maria-martinez-espinosa",fullName:"Rosa María Martínez-Espinosa",profilePictureURL:"https://mts.intechopen.com/storage/users/165627/images/system/165627.jpeg",biography:"Dr. Rosa María Martínez-Espinosa has been a Spanish Full Professor since 2020 (Biochemistry and Molecular Biology) and is currently Vice-President of International Relations and Cooperation development and leader of the research group 'Applied Biochemistry” (University of Alicante, Spain). Other positions she has held at the university include Vice-Dean of Master Programs, Vice-Dean of the Degree in Biology and Vice-Dean for Mobility and Enterprise and Engagement at the Faculty of Science (University of Alicante). She received her Bachelor in Biology in 1998 (University of Alicante) and her PhD in 2003 (Biochemistry, University of Alicante). She undertook post-doctoral research at the University of East Anglia (Norwich, U.K. 2004-2005; 2007-2008).\nHer multidisciplinary research focuses on investigating archaea and their potential applications in biotechnology. She has an H-index of 21. She has authored one patent and has published more than 70 indexed papers and around 60 book chapters.\nShe has contributed to more than 150 national and international meetings during the last 15 years. Her research interests include archaea metabolism, enzymes purification and characterization, gene regulation, carotenoids and bioplastics production, antioxidant\ncompounds, waste water treatments, and brines bioremediation.\nRosa María’s other roles include editorial board member for several journals related\nto biochemistry, reviewer for more than 60 journals (biochemistry, molecular biology, biotechnology, chemistry and microbiology) and president of several organizing committees in international meetings related to the N-cycle or respiratory processes.",institutionString:null,institution:{name:"University of Alicante",institutionURL:null,country:{name:"Spain"}}},editorTwo:null,editorThree:null,editorialBoard:[{id:"79367",title:"Dr.",name:"Ana Isabel",middleName:null,surname:"Flores",slug:"ana-isabel-flores",fullName:"Ana Isabel Flores",profilePictureURL:"https://s3.us-east-1.amazonaws.com/intech-files/0030O00002bRpIOQA0/Profile_Picture_1632418099564",institutionString:null,institution:{name:"Hospital Universitario 12 De Octubre",institutionURL:null,country:{name:"Spain"}}},{id:"328234",title:"Ph.D.",name:"Christian",middleName:null,surname:"Palavecino",slug:"christian-palavecino",fullName:"Christian Palavecino",profilePictureURL:"https://s3.us-east-1.amazonaws.com/intech-files/0033Y000030DhEhQAK/Profile_Picture_1628835318625",institutionString:null,institution:{name:"Central University of Chile",institutionURL:null,country:{name:"Chile"}}},{id:"186585",title:"Dr.",name:"Francisco Javier",middleName:null,surname:"Martin-Romero",slug:"francisco-javier-martin-romero",fullName:"Francisco Javier Martin-Romero",profilePictureURL:"https://s3.us-east-1.amazonaws.com/intech-files/0030O00002bSB3HQAW/Profile_Picture_1631258137641",institutionString:null,institution:{name:"University of Extremadura",institutionURL:null,country:{name:"Spain"}}}]},{id:"15",title:"Chemical Biology",coverUrl:"https://cdn.intechopen.com/series_topics/covers/15.jpg",editor:{id:"441442",title:"Dr.",name:"Şükrü",middleName:null,surname:"Beydemir",slug:"sukru-beydemir",fullName:"Şükrü Beydemir",profilePictureURL:"https://s3.us-east-1.amazonaws.com/intech-files/0033Y00003GsUoIQAV/Profile_Picture_1634557147521",biography:"Dr. Şükrü Beydemir obtained a BSc in Chemistry in 1995 from Yüzüncü Yıl University, MSc in Biochemistry in 1998, and PhD in Biochemistry in 2002 from Atatürk University, Turkey. He performed post-doctoral studies at Max-Planck Institute, Germany, and University of Florence, Italy in addition to making several scientific visits abroad. He currently works as a Full Professor of Biochemistry in the Faculty of Pharmacy, Anadolu University, Turkey. Dr. Beydemir has published over a hundred scientific papers spanning protein biochemistry, enzymology and medicinal chemistry, reviews, book chapters and presented several conferences to scientists worldwide. He has received numerous publication awards from various international scientific councils. He serves in the Editorial Board of several international journals. 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He is a member of the Turkish Biochemical Society, American Chemical Society, and German Genetics society. Dr. Ekinci published around ninety scientific papers, reviews and book chapters, and presented several conferences to scientists. He has received numerous publication awards from several scientific councils. 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More recently, Prof. Iadarola was involved in developing techniques such as two-dimensional electrophoresis coupled to liquid chromatography/mass spectrometry (2DE-LC/MS) for the proteomic analysis of biological fluids aimed at the identification of potential biomarkers of different lung diseases. He is the author of about 150 publications (According to Scopus: H-Index: 23; Total citations: 1568- According to WOS: H-Index: 20; Total Citations: 1296) of peer-reviewed international journals. He is a Consultant Reviewer for several journals, including the Journal of Chromatography A, Journal of Chromatography B, Plos ONE, Proteomes, International Journal of Molecular Science, Biotech, Electrophoresis, and others. 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She gained considerable experience in developing and validating new methodologies whose applications allowed her to determine both the amount of biomarkers (Desmosine and Isodesmosine) in the urine of patients affected by COPD, and the activity of proteolytic enzymes (HNE, Cathepsin G, Pseudomonas aeruginosa elastase) in the sputa of these patients. Simona Viglio was also involved in research dealing with the supplementation of amino acids in patients with brain injury and chronic heart failure. She is presently engaged in the development of 2-DE and LC-MS techniques for the study of proteomics in biological fluids. The aim of this research is the identification of potential biomarkers of lung diseases. 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He has to his credit more than seventy papers in SCI- and SCOPUS-indexed journals, fifty-five conference proceedings, four books, six Best Paper Awards, and five projects from different government agencies. He is currently an editorial board member of eight international journals and a reviewer for more than fifty scientific journals. He received Top Reviewer and Excellent Peer Reviewer Awards from Publons in 2016 and 2017, respectively. He is also on the panel of The International Reviewer for reviewing research proposals for grants from the Royal Society. He also serves as a Publons Academy mentor and Bentham brand ambassador.",institutionString:"Punjab Technical University",institution:{name:"Punjab Technical University",country:{name:"India"}}},{id:"142388",title:"Dr.",name:"Thiago",middleName:"Gomes",surname:"Gomes Heck",slug:"thiago-gomes-heck",fullName:"Thiago Gomes Heck",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/142388/images/7259_n.jpg",biography:null,institutionString:null,institution:{name:"Universidade Regional do Noroeste do Estado do Rio Grande do Sul",country:{name:"Brazil"}}},{id:"336273",title:"Assistant Prof.",name:"Janja",middleName:null,surname:"Zupan",slug:"janja-zupan",fullName:"Janja Zupan",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/336273/images/14853_n.jpeg",biography:"Janja Zupan graduated in 2005 at the Department of Clinical Biochemistry (superviser prof. dr. Janja Marc) in the field of genetics of osteoporosis. Since November 2009 she is working as a Teaching Assistant at the Faculty of Pharmacy, Department of Clinical Biochemistry. In 2011 she completed part of her research and PhD work at Institute of Genetics and Molecular Medicine, University of Edinburgh. She finished her PhD entitled The influence of the proinflammatory cytokines on the RANK/RANKL/OPG in bone tissue of osteoporotic and osteoarthritic patients in 2012. From 2014-2016 she worked at the Institute of Biomedical Sciences, University of Aberdeen as a postdoctoral research fellow on UK Arthritis research project where she gained knowledge in mesenchymal stem cells and regenerative medicine. She returned back to University of Ljubljana, Faculty of Pharmacy in 2016. She is currently leading project entitled Mesenchymal stem cells-the keepers of tissue endogenous regenerative capacity facing up to aging of the musculoskeletal system funded by Slovenian Research Agency.",institutionString:null,institution:{name:"University of Ljubljana",country:{name:"Slovenia"}}},{id:"357453",title:"Dr.",name:"Radheshyam",middleName:null,surname:"Maurya",slug:"radheshyam-maurya",fullName:"Radheshyam Maurya",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/357453/images/16535_n.jpg",biography:null,institutionString:null,institution:{name:"University of Hyderabad",country:{name:"India"}}},{id:"311457",title:"Dr.",name:"Júlia",middleName:null,surname:"Scherer Santos",slug:"julia-scherer-santos",fullName:"Júlia Scherer Santos",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/311457/images/system/311457.jpg",biography:"Dr. Júlia Scherer Santos works in the areas of cosmetology, nanotechnology, pharmaceutical technology, beauty, and aesthetics. Dr. Santos also has experience as a professor of graduate courses. Graduated in Pharmacy, specialization in Cosmetology and Cosmeceuticals applied to aesthetics, specialization in Aesthetic and Cosmetic Health, and a doctorate in Pharmaceutical Nanotechnology. Teaching experience in Pharmacy and Aesthetics and Cosmetics courses. She works mainly on the following subjects: nanotechnology, cosmetology, pharmaceutical technology, aesthetics.",institutionString:"Universidade Federal de Juiz de Fora",institution:{name:"Universidade Federal de Juiz de Fora",country:{name:"Brazil"}}},{id:"219081",title:"Dr.",name:"Abdulsamed",middleName:null,surname:"Kükürt",slug:"abdulsamed-kukurt",fullName:"Abdulsamed Kükürt",position:null,profilePictureURL:"https://s3.us-east-1.amazonaws.com/intech-files/0030O00002bRNVJQA4/Profile_Picture_2022-03-07T13:23:04.png",biography:"Dr. Kükürt graduated from Uludağ University in Turkey. He started his academic career as a Research Assistant in the Department of Biochemistry at Kafkas University. In 2019, he completed his Ph.D. program in the Department of Biochemistry at the Institute of Health Sciences. He is currently working at the Department of Biochemistry, Kafkas University. He has 27 published research articles in academic journals, 11 book chapters, and 37 papers. He took part in 10 academic projects. He served as a reviewer for many articles. He still serves as a member of the review board in many academic journals.",institutionString:null,institution:{name:"Kafkas University",country:{name:"Turkey"}}},{id:"178366",title:"Associate Prof.",name:"Volkan",middleName:null,surname:"Gelen",slug:"volkan-gelen",fullName:"Volkan Gelen",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/178366/images/system/178366.jpg",biography:"Volkan Gelen is a Physiology specialist who received his veterinary degree from Kafkas University in 2011. Between 2011-2015, he worked as an assistant at Atatürk University, Faculty of Veterinary Medicine, Department of Physiology. In 2016, he joined Kafkas University, Faculty of Veterinary Medicine, Department of Physiology as an assistant professor. Dr. Gelen has been engaged in various academic activities at Kafkas University since 2016. There he completed 5 projects and has 3 ongoing projects. He has 60 articles published in scientific journals and 20 poster presentations in scientific congresses. His research interests include physiology, endocrine system, cancer, diabetes, cardiovascular system diseases, and isolated organ bath system studies.",institutionString:"Kafkas University",institution:{name:"Kafkas University",country:{name:"Turkey"}}},{id:"418963",title:"Dr.",name:"Augustine Ododo",middleName:"Augustine",surname:"Osagie",slug:"augustine-ododo-osagie",fullName:"Augustine Ododo Osagie",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/418963/images/16900_n.jpg",biography:"Born into the family of Osagie, a prince of the Benin Kingdom. I am currently an academic in the Department of Medical Biochemistry, University of Benin. Part of the duties are to teach undergraduate students and conduct academic research.",institutionString:null,institution:{name:"University of Benin",country:{name:"Nigeria"}}},{id:"192992",title:"Prof.",name:"Shagufta",middleName:null,surname:"Perveen",slug:"shagufta-perveen",fullName:"Shagufta Perveen",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/192992/images/system/192992.png",biography:"Prof. Shagufta Perveen is a Distinguish Professor in the Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia. Dr. Perveen has acted as the principal investigator of major research projects funded by the research unit of King Saud University. She has more than ninety original research papers in peer-reviewed journals of international repute to her credit. She is a fellow member of the Royal Society of Chemistry UK and the American Chemical Society of the United States.",institutionString:"King Saud University",institution:{name:"King Saud University",country:{name:"Saudi Arabia"}}},{id:"49848",title:"Dr.",name:"Wen-Long",middleName:null,surname:"Hu",slug:"wen-long-hu",fullName:"Wen-Long Hu",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/49848/images/system/49848.jpg",biography:"Wen-Long Hu is Chief of the Division of Acupuncture, Department of Chinese Medicine at Kaohsiung Chang Gung Memorial Hospital, as well as an adjunct associate professor at Fooyin University and Kaohsiung Medical University. Wen-Long is President of Taiwan Traditional Chinese Medicine Medical Association. He has 28 years of experience in clinical practice in laser acupuncture therapy and 34 years in acupuncture. He is an invited speaker for lectures and workshops in laser acupuncture at many symposiums held by medical associations. He owns the patent for herbal preparation and producing, and for the supercritical fluid-treated needle. Dr. Hu has published three books, 12 book chapters, and more than 30 papers in reputed journals, besides serving as an editorial board member of repute.",institutionString:"Kaohsiung Chang Gung Memorial Hospital",institution:{name:"Kaohsiung Chang Gung Memorial Hospital",country:{name:"Taiwan"}}},{id:"298472",title:"Prof.",name:"Andrey V.",middleName:null,surname:"Grechko",slug:"andrey-v.-grechko",fullName:"Andrey V. Grechko",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/298472/images/system/298472.png",biography:"Andrey Vyacheslavovich Grechko, Ph.D., Professor, is a Corresponding Member of the Russian Academy of Sciences. He graduated from the Semashko Moscow Medical Institute (Semashko National Research Institute of Public Health) with a degree in Medicine (1998), the Clinical Department of Dermatovenerology (2000), and received a second higher education in Psychology (2009). Professor A.V. Grechko held the position of Сhief Physician of the Central Clinical Hospital in Moscow. He worked as a professor at the faculty and was engaged in scientific research at the Medical University. Starting in 2013, he has been the initiator of the creation of the Federal Scientific and Clinical Center for Intensive Care and Rehabilitology, Moscow, Russian Federation, where he also serves as Director since 2015. He has many years of experience in research and teaching in various fields of medicine, is an author/co-author of more than 200 scientific publications, 13 patents, 15 medical books/chapters, including Chapter in Book «Metabolomics», IntechOpen, 2020 «Metabolomic Discovery of Microbiota Dysfunction as the Cause of Pathology».",institutionString:"Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology",institution:null},{id:"199461",title:"Prof.",name:"Natalia V.",middleName:null,surname:"Beloborodova",slug:"natalia-v.-beloborodova",fullName:"Natalia V. Beloborodova",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/199461/images/system/199461.jpg",biography:'Natalia Vladimirovna Beloborodova was educated at the Pirogov Russian National Research Medical University, with a degree in pediatrics in 1980, a Ph.D. in 1987, and a specialization in Clinical Microbiology from First Moscow State Medical University in 2004. She has been a Professor since 1996. Currently, she is the Head of the Laboratory of Metabolism, a division of the Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russian Federation. N.V. Beloborodova has many years of clinical experience in the field of intensive care and surgery. She studies infectious complications and sepsis. She initiated a series of interdisciplinary clinical and experimental studies based on the concept of integrating human metabolism and its microbiota. Her scientific achievements are widely known: she is the recipient of the Marie E. Coates Award \\"Best lecturer-scientist\\" Gustafsson Fund, Karolinska Institutes, Stockholm, Sweden, and the International Sepsis Forum Award, Pasteur Institute, Paris, France (2014), etc. Professor N.V. Beloborodova wrote 210 papers, five books, 10 chapters and has edited four books.',institutionString:"Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology",institution:null},{id:"354260",title:"Ph.D.",name:"Tércio Elyan",middleName:"Azevedo",surname:"Azevedo Martins",slug:"tercio-elyan-azevedo-martins",fullName:"Tércio Elyan Azevedo Martins",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/354260/images/16241_n.jpg",biography:"Graduated in Pharmacy from the Federal University of Ceará with the modality in Industrial Pharmacy, Specialist in Production and Control of Medicines from the University of São Paulo (USP), Master in Pharmaceuticals and Medicines from the University of São Paulo (USP) and Doctor of Science in the program of Pharmaceuticals and Medicines by the University of São Paulo. Professor at Universidade Paulista (UNIP) in the areas of chemistry, cosmetology and trichology. Assistant Coordinator of the Higher Course in Aesthetic and Cosmetic Technology at Universidade Paulista Campus Chácara Santo Antônio. Experience in the Pharmacy area, with emphasis on Pharmacotechnics, Pharmaceutical Technology, Research and Development of Cosmetics, acting mainly on topics such as cosmetology, antioxidant activity, aesthetics, photoprotection, cyclodextrin and thermal analysis.",institutionString:null,institution:{name:"University of Sao Paulo",country:{name:"Brazil"}}},{id:"334285",title:"Ph.D. Student",name:"Sameer",middleName:"Kumar",surname:"Jagirdar",slug:"sameer-jagirdar",fullName:"Sameer Jagirdar",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/334285/images/14691_n.jpg",biography:"I\\'m a graduate student at the center for biosystems science and engineering at the Indian Institute of Science, Bangalore, India. I am interested in studying host-pathogen interactions at the biomaterial interface.",institutionString:null,institution:{name:"Indian Institute of Science Bangalore",country:{name:"India"}}},{id:"329795",title:"Dr.",name:"Mohd Aftab",middleName:"Aftab",surname:"Siddiqui",slug:"mohd-aftab-siddiqui",fullName:"Mohd Aftab Siddiqui",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/329795/images/15648_n.jpg",biography:"Dr. Mohd Aftab Siddiqui is currently working as Assistant Professor in the Faculty of Pharmacy, Integral University, Lucknow for the last 6 years. He has completed his Doctor in Philosophy (Pharmacology) in 2020 from Integral University, Lucknow. He completed his Bachelor in Pharmacy in 2013 and Master in Pharmacy (Pharmacology) in 2015 from Integral University, Lucknow. He is the gold medalist in Bachelor and Master degree. He qualified GPAT -2013, GPAT -2014, and GPAT 2015. His area of research is Pharmacological screening of herbal drugs/ natural products in liver and cardiac diseases. He has guided many M. Pharm. research projects. He has many national and international publications.",institutionString:"Integral University",institution:null},{id:"255360",title:"Dr.",name:"Usama",middleName:null,surname:"Ahmad",slug:"usama-ahmad",fullName:"Usama Ahmad",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/255360/images/system/255360.png",biography:"Dr. Usama Ahmad holds a specialization in Pharmaceutics from Amity University, Lucknow, India. He received his Ph.D. degree from Integral University. Currently, he’s working as an Assistant Professor of Pharmaceutics in the Faculty of Pharmacy, Integral University. From 2013 to 2014 he worked on a research project funded by SERB-DST, Government of India. He has a rich publication record with more than 32 original articles published in reputed journals, 3 edited books, 5 book chapters, and a number of scientific articles published in ‘Ingredients South Asia Magazine’ and ‘QualPharma Magazine’. He is a member of the American Association for Cancer Research, International Association for the Study of Lung Cancer, and the British Society for Nanomedicine. Dr. Ahmad’s research focus is on the development of nanoformulations to facilitate the delivery of drugs that aim to provide practical solutions to current healthcare problems.",institutionString:"Integral University",institution:{name:"Integral University",country:{name:"India"}}},{id:"30568",title:"Prof.",name:"Madhu",middleName:null,surname:"Khullar",slug:"madhu-khullar",fullName:"Madhu Khullar",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/30568/images/system/30568.jpg",biography:"Dr. Madhu Khullar is a Professor of Experimental Medicine and Biotechnology at the Post Graduate Institute of Medical Education and Research, Chandigarh, India. She completed her Post Doctorate in hypertension research at the Henry Ford Hospital, Detroit, USA in 1985. She is an editor and reviewer of several international journals, and a fellow and member of several cardiovascular research societies. Dr. Khullar has a keen research interest in genetics of hypertension, and is currently studying pharmacogenetics of hypertension.",institutionString:"Post Graduate Institute of Medical Education and Research",institution:{name:"Post Graduate Institute of Medical Education and Research",country:{name:"India"}}},{id:"223233",title:"Prof.",name:"Xianquan",middleName:null,surname:"Zhan",slug:"xianquan-zhan",fullName:"Xianquan Zhan",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/223233/images/system/223233.png",biography:"Xianquan Zhan received his MD and Ph.D. in Preventive Medicine at West China University of Medical Sciences. He received his post-doctoral training in oncology and cancer proteomics at the Central South University, China, and the University of Tennessee Health Science Center (UTHSC), USA. He worked at UTHSC and the Cleveland Clinic in 2001–2012 and achieved the rank of associate professor at UTHSC. Currently, he is a full professor at Central South University and Shandong First Medical University, and an advisor to MS/PhD students and postdoctoral fellows. He is also a fellow of the Royal Society of Medicine and European Association for Predictive Preventive Personalized Medicine (EPMA), a national representative of EPMA, and a member of the American Society of Clinical Oncology (ASCO) and the American Association for the Advancement of Sciences (AAAS). He is also the editor in chief of International Journal of Chronic Diseases & Therapy, an associate editor of EPMA Journal, Frontiers in Endocrinology, and BMC Medical Genomics, and a guest editor of Mass Spectrometry Reviews, Frontiers in Endocrinology, EPMA Journal, and Oxidative Medicine and Cellular Longevity. He has published more than 148 articles, 28 book chapters, 6 books, and 2 US patents in the field of clinical proteomics and biomarkers.",institutionString:"Shandong First Medical University",institution:{name:"Affiliated Hospital of Shandong Academy of Medical Sciences",country:{name:"China"}}},{id:"297507",title:"Dr.",name:"Charles",middleName:"Elias",surname:"Assmann",slug:"charles-assmann",fullName:"Charles Assmann",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/297507/images/system/297507.jpg",biography:"Charles Elias Assmann is a biologist from Federal University of Santa Maria (UFSM, Brazil), who spent some time abroad at the Ludwig-Maximilians-Universität München (LMU, Germany). He has Masters Degree in Biochemistry (UFSM), and is currently a PhD student at Biochemistry at the Department of Biochemistry and Molecular Biology of the UFSM. His areas of expertise include: Biochemistry, Molecular Biology, Enzymology, Genetics and Toxicology. He is currently working on the following subjects: Aluminium toxicity, Neuroinflammation, Oxidative stress and Purinergic system. Since 2011 he has presented more than 80 abstracts in scientific proceedings of national and international meetings. Since 2014, he has published more than 20 peer reviewed papers (including 4 reviews, 3 in Portuguese) and 2 book chapters. He has also been a reviewer of international journals and ad hoc reviewer of scientific committees from Brazilian Universities.",institutionString:"Universidade Federal de Santa Maria",institution:{name:"Universidade Federal de Santa Maria",country:{name:"Brazil"}}},{id:"217850",title:"Dr.",name:"Margarete Dulce",middleName:null,surname:"Bagatini",slug:"margarete-dulce-bagatini",fullName:"Margarete Dulce Bagatini",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/217850/images/system/217850.jpeg",biography:"Dr. Margarete Dulce Bagatini is an associate professor at the Federal University of Fronteira Sul/Brazil. She has a degree in Pharmacy and a PhD in Biological Sciences: Toxicological Biochemistry. She is a member of the UFFS Research Advisory Committee\nand a member of the Biovitta Research Institute. She is currently:\nthe leader of the research group: Biological and Clinical Studies\nin Human Pathologies, professor of postgraduate program in\nBiochemistry at UFSC and postgraduate program in Science and Food Technology at\nUFFS. She has experience in the area of pharmacy and clinical analysis, acting mainly\non the following topics: oxidative stress, the purinergic system and human pathologies, being a reviewer of several international journals and books.",institutionString:"Universidade Federal da Fronteira Sul",institution:{name:"Universidade Federal da Fronteira Sul",country:{name:"Brazil"}}},{id:"226275",title:"Ph.D.",name:"Metin",middleName:null,surname:"Budak",slug:"metin-budak",fullName:"Metin Budak",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/226275/images/system/226275.jfif",biography:"Metin Budak, MSc, PhD is an Assistant Professor at Trakya University, Faculty of Medicine. He has been Head of the Molecular Research Lab at Prof. Mirko Tos Ear and Hearing Research Center since 2018. His specializations are biophysics, epigenetics, genetics, and methylation mechanisms. He has published around 25 peer-reviewed papers, 2 book chapters, and 28 abstracts. He is a member of the Clinical Research Ethics Committee and Quantification and Consideration Committee of Medicine Faculty. His research area is the role of methylation during gene transcription, chromatin packages DNA within the cell and DNA repair, replication, recombination, and gene transcription. His research focuses on how the cell overcomes chromatin structure and methylation to allow access to the underlying DNA and enable normal cellular function.",institutionString:"Trakya University",institution:{name:"Trakya University",country:{name:"Turkey"}}},{id:"243049",title:"Dr.",name:"Anca",middleName:null,surname:"Pantea Stoian",slug:"anca-pantea-stoian",fullName:"Anca Pantea Stoian",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/243049/images/system/243049.jpg",biography:"Anca Pantea Stoian is a specialist in diabetes, nutrition, and metabolic diseases as well as health food hygiene. She also has competency in general ultrasonography.\n\nShe is an associate professor in the Diabetes, Nutrition and Metabolic Diseases Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania. She has been chief of the Hygiene Department, Faculty of Dentistry, at the same university since 2019. Her interests include micro and macrovascular complications in diabetes and new therapies. Her research activities focus on nutritional intervention in chronic pathology, as well as cardio-renal-metabolic risk assessment, and diabetes in cancer. She is currently engaged in developing new therapies and technological tools for screening, prevention, and patient education in diabetes. \n\nShe is a member of the European Association for the Study of Diabetes, Cardiometabolic Academy, CEDA, Romanian Society of Diabetes, Nutrition and Metabolic Diseases, Romanian Diabetes Federation, and Association for Renal Metabolic and Nutrition studies. She has authored or co-authored 160 papers in national and international peer-reviewed journals.",institutionString:null,institution:{name:"Carol Davila University of Medicine and Pharmacy",country:{name:"Romania"}}},{id:"279792",title:"Dr.",name:"João",middleName:null,surname:"Cotas",slug:"joao-cotas",fullName:"João Cotas",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/279792/images/system/279792.jpg",biography:"Graduate and master in Biology from the University of Coimbra.\n\nI am a research fellow at the Macroalgae Laboratory Unit, in the MARE-UC – Marine and Environmental Sciences Centre of the University of Coimbra. My principal function is the collection, extraction and purification of macroalgae compounds, chemical and bioactive characterization of the compounds and algae extracts and development of new methodologies in marine biotechnology area. \nI am associated in two projects: one consists on discovery of natural compounds for oncobiology. The other project is the about the natural compounds/products for agricultural area.\n\nPublications:\nCotas, J.; Figueirinha, A.; Pereira, L.; Batista, T. 2018. An analysis of the effects of salinity on Fucus ceranoides (Ochrophyta, Phaeophyceae), in the Mondego River (Portugal). Journal of Oceanology and Limnology. in press. DOI: 10.1007/s00343-019-8111-3",institutionString:"Faculty of Sciences and Technology of University of Coimbra",institution:null},{id:"279788",title:"Dr.",name:"Leonel",middleName:null,surname:"Pereira",slug:"leonel-pereira",fullName:"Leonel Pereira",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/279788/images/system/279788.jpg",biography:"Leonel Pereira has an undergraduate degree in Biology, a Ph.D. in Biology (specialty in Cell Biology), and a Habilitation degree in Biosciences (specialization in Biotechnology) from the Faculty of Science and Technology, University of Coimbra, Portugal, where he is currently a professor. In addition to teaching at this university, he is an integrated researcher at the Marine and Environmental Sciences Center (MARE), Portugal. His interests include marine biodiversity (algae), marine biotechnology (algae bioactive compounds), and marine ecology (environmental assessment). Since 2008, he has been the author and editor of the electronic publication MACOI – Portuguese Seaweeds Website (www.seaweeds.uc.pt). He is also a member of the editorial boards of several scientific journals. Dr. Pereira has edited or authored more than 20 books, 100 journal articles, and 45 book chapters. He has given more than 100 lectures and oral communications at various national and international scientific events. He is the coordinator of several national and international research projects. In 1998, he received the Francisco de Holanda Award (Honorable Mention) and, more recently, the Mar Rei D. Carlos award (18th edition). He is also a winner of the 2016 CHOICE Award for an outstanding academic title for his book Edible Seaweeds of the World. In 2020, Dr. Pereira received an Honorable Mention for the Impact of International Publications from the Web of Science",institutionString:"University of Coimbra",institution:{name:"University of Coimbra",country:{name:"Portugal"}}},{id:"61946",title:"Dr.",name:"Carol",middleName:null,surname:"Bernstein",slug:"carol-bernstein",fullName:"Carol Bernstein",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/61946/images/system/61946.jpg",biography:"Carol Bernstein received her PhD in Genetics from the University of California (Davis). She was a faculty member at the University of Arizona College of Medicine for 43 years, retiring in 2011. Her research interests focus on DNA damage and its underlying role in sex, aging and in the early steps of initiation and progression to cancer. In her research, she had used organisms including bacteriophage T4, Neurospora crassa, Schizosaccharomyces pombe and mice, as well as human cells and tissues. She authored or co-authored more than 140 scientific publications, including articles in major peer reviewed journals, book chapters, invited reviews and one book.",institutionString:"University of Arizona",institution:{name:"University of Arizona",country:{name:"United States of America"}}},{id:"182258",title:"Dr.",name:"Ademar",middleName:"Pereira",surname:"Serra",slug:"ademar-serra",fullName:"Ademar Serra",position:null,profilePictureURL:"https://mts.intechopen.com/storage/users/182258/images/system/182258.jpeg",biography:"Dr. Serra studied Agronomy on Universidade Federal de Mato Grosso do Sul (UFMS) (2005). He received master degree in Agronomy, Crop Science (Soil fertility and plant nutrition) (2007) by Universidade Federal da Grande Dourados (UFGD), and PhD in agronomy (Soil fertility and plant nutrition) (2011) from Universidade Federal da Grande Dourados / Escola Superior de Agricultura Luiz de Queiroz (UFGD/ESALQ-USP). Dr. Serra is currently working at Brazilian Agricultural Research Corporation (EMBRAPA). His research focus is on mineral nutrition of plants, crop science and soil science. Dr. Serra\\'s current projects are soil organic matter, soil phosphorus fractions, compositional nutrient diagnosis (CND) and isometric log ratio (ilr) transformation in compositional data analysis.",institutionString:"Brazilian Agricultural Research Corporation",institution:{name:"Brazilian Agricultural Research Corporation",country:{name:"Brazil"}}}]}},subseries:{item:{id:"41",type:"subseries",title:"Water Science",keywords:"Water, Water resources, Freshwater, Hydrological processes, Utilization, Protection",scope:"