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Wang Q, Xu Z, Ai Q. Arginine metabolism and its functions in growth, nutrient utilization, and immunonutrition of fish. ACTA ACUST UNITED AC 2021; 7:716-727. [PMID: 34466676 PMCID: PMC8379419 DOI: 10.1016/j.aninu.2021.03.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 03/21/2021] [Accepted: 03/24/2021] [Indexed: 11/30/2022]
Abstract
Fish have limited ability in endogenous biosynthesis of arginine. Arginine is an indispensable amino acid for fish, and the arginine requirement varies with fish species and fish size. Recent studies on fish have demonstrated that arginine influences nutrient metabolism, stimulates insulin release, is involved in nonspecific immune responses and antioxidant responses, and elevates disease resistance. Specifically, arginine can regulate energy homeostasis via modulating the adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) pathway, and also regulate protein synthesis via activating the target of rapamycin (TOR) signaling pathway. The present article reviews pertinent knowledge of arginine in fish, including dietary quantitative requirements, endogenous anabolism and catabolism, regulation of the endocrine and metabolic systems, and immune-regulatory functions under pathogenic challenge. Our findings showed that further data about the distribution of arginine after intake into specific cells, its sub-cellular sensor to initiate downstream signaling pathways, and its effects on fish mucosal immunity, especially the adaptive immune response against pathogenic infection in different species, are urgently needed.
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Affiliation(s)
- Qingchao Wang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China
| | - Zhen Xu
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Wuhan, China.,Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Qinghui Ai
- Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China.,Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture), Ocean University of China, Qingdao, China
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2
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Cassella L, Salvetti A, Iacopetti P, Ippolito C, Ghezzani C, Gimenez G, Ghigo E, Rossi L. Putrescine independent wound response phenotype is produced by ODC-like RNAi in planarians. Sci Rep 2017; 7:9736. [PMID: 28851936 PMCID: PMC5574924 DOI: 10.1038/s41598-017-09567-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2017] [Accepted: 07/26/2017] [Indexed: 01/18/2023] Open
Abstract
Despite increasing evidence indicates polyamines as a convergence point for signaling pathways, including cell growth and differentiation, a unifying concept to interpret their role is still missing. The activity of ornithine decarboxylase (ODC), the rate-limiting enzyme in polyamine biosynthesis, is tightly regulated by a complex molecular machinery, and the demonstration of the existence of multiple ODC paralogs, lacking decarboxylation activity, suggests additional layers of complexity to the intricate ODC regulatory pathway. Because of their extraordinary regenerative abilities and abundance of stem cells, planarians have potential to contribute to our understanding of polyamine function in an in vivo context. We undertook a study on ODC function in planarians and we found six planarian ODCs (ODC1-6). Five out of six ODC homologs carry substitutions of key aminoacids for enzymatic activity, which makes them theoretically unable to decarboxylate ornithine. Silencing of ODC5 and 6 produced a complex phenotype, by prompting animals to an aberrant response, following chronic injury without tissue removal. Phenotype is neither rescued by putrescine, nor mimicked by difluoromethylornithine treatment. Moreover, the co-silencing of other genes of the ODC regulatory pathway did not modulate phenotype outcome or severity, thus suggesting that the function/s of these ODC-like proteins might be unrelated to decarboxylase activity and putrescine production.
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Affiliation(s)
- Lucia Cassella
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy
| | - Alessandra Salvetti
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy
| | - Paola Iacopetti
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy
| | - Chiara Ippolito
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy
| | - Claudio Ghezzani
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy
| | - Gregory Gimenez
- Otago Genomics & Bioinformatics Facility, Department of Biochemistry, University of Otago, PO Box 56, 710 Cumberland Street, Dunedin, 9054, New Zealand
| | - Eric Ghigo
- CNRS UMR 7278, IRD198, INSERM U1095, APHM, Institut Hospitalier Universitaire Méditerranée-Infection, Aix-Marseille Université, 19-21 Bd Jean Moulin, 13385, Marseille Cedex 05, France
| | - Leonardo Rossi
- Department of Clinical and Experimental Medicine, University of Pisa, via Volta 4, 56126, Pisa, Italy.
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3
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Yadav AK, Srikrishna S, Gupta SC. Cancer Drug Development Using Drosophila as an in vivo Tool: From Bedside to Bench and Back. Trends Pharmacol Sci 2016; 37:789-806. [PMID: 27298020 DOI: 10.1016/j.tips.2016.05.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2016] [Revised: 05/16/2016] [Accepted: 05/17/2016] [Indexed: 12/14/2022]
Abstract
The fruit fly Drosophila melanogaster has been used for modeling cancer and as an in vivo tool for the validation and/or development of cancer therapeutics. The impetus for the use of Drosophila in cancer research stems from the high conservation of its signaling pathways, lower genetic redundancy, short life cycle, genetic amenability, and ease of maintenance. Several cell signaling pathways in Drosophila have been used for cancer drug development. The efficacy of combination therapy and uptake/bioavailability of drugs have also been studied. Drosophila has been validated using several FDA-approved drugs, suggesting a potential application of this model in drug repurposing. The model is emerging as a powerful tool for high-throughput screening and should significantly reduce the cost and time associated with drug development. In this review we discuss the applications of Drosophila in cancer drug development. The advantages and limitations of the model are discussed.
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Affiliation(s)
- Amarish Kumar Yadav
- Cancer and Neurobiology Laboratory, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221 005, India
| | - Saripella Srikrishna
- Cancer and Neurobiology Laboratory, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221 005, India.
| | - Subash Chandra Gupta
- Laboratory for Translational Cancer Research, Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221 005, India.
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Limmer S, Weiler A, Volkenhoff A, Babatz F, Klämbt C. The Drosophila blood-brain barrier: development and function of a glial endothelium. Front Neurosci 2014; 8:365. [PMID: 25452710 PMCID: PMC4231875 DOI: 10.3389/fnins.2014.00365] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Accepted: 10/23/2014] [Indexed: 01/01/2023] Open
Abstract
The efficacy of neuronal function requires a well-balanced extracellular ion homeostasis and a steady supply with nutrients and metabolites. Therefore, all organisms equipped with a complex nervous system developed a so-called blood-brain barrier, protecting it from an uncontrolled entry of solutes, metabolites or pathogens. In higher vertebrates, this diffusion barrier is established by polarized endothelial cells that form extensive tight junctions, whereas in lower vertebrates and invertebrates the blood-brain barrier is exclusively formed by glial cells. Here, we review the development and function of the glial blood-brain barrier of Drosophila melanogaster. In the Drosophila nervous system, at least seven morphologically distinct glial cell classes can be distinguished. Two of these glial classes form the blood-brain barrier. Perineurial glial cells participate in nutrient uptake and establish a first diffusion barrier. The subperineurial glial (SPG) cells form septate junctions, which block paracellular diffusion and thus seal the nervous system from the hemolymph. We summarize the molecular basis of septate junction formation and address the different transport systems expressed by the blood-brain barrier forming glial cells.
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Affiliation(s)
- Stefanie Limmer
- Institut für Neuro- und Verhaltensbiologie, Universität Münster Münster, Germany
| | - Astrid Weiler
- Institut für Neuro- und Verhaltensbiologie, Universität Münster Münster, Germany
| | - Anne Volkenhoff
- Institut für Neuro- und Verhaltensbiologie, Universität Münster Münster, Germany
| | - Felix Babatz
- Institut für Neuro- und Verhaltensbiologie, Universität Münster Münster, Germany
| | - Christian Klämbt
- Institut für Neuro- und Verhaltensbiologie, Universität Münster Münster, Germany
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Dzik JM. Evolutionary roots of arginase expression and regulation. Front Immunol 2014; 5:544. [PMID: 25426114 PMCID: PMC4224125 DOI: 10.3389/fimmu.2014.00544] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 10/13/2014] [Indexed: 12/11/2022] Open
Abstract
Two main types of macrophage functions are known: classical (M1), producing nitric oxide, NO, and M2, in which arginase activity is primarily expressed. Ornithine, the product of arginase, is a substrate for synthesis of polyamines and collagen, important for growth and ontogeny of animals. M2 macrophages, expressing high level of mitochondrial arginase, have been implicated in promoting cell division and deposition of collagen during ontogeny and wound repair. Arginase expression is the default mode of tissue macrophages, but can also be amplified by signals, such as IL-4/13 or transforming growth factor-β (TGF-β) that accelerates wound healing and tissue repair. In worms, the induction of collagen gene is coupled with induction of immune response genes, both depending on the same TGF-β-like pathway. This suggests that the main function of M2 “heal” type macrophages is originally connected with the TGF-β superfamily of proteins, which are involved in regulation of tissue and organ differentiation in embryogenesis. Excretory–secretory products of metazoan parasites are able to induce M2-type of macrophage responses promoting wound healing without participation of Th2 cytokines IL-4/IL-13. The expression of arginase in lower animals can be induced by the presence of parasite antigens and TGF-β signals leading to collagen synthesis. This also means that the main proteins, which, in primitive metazoans, are involved in regulation of tissue and organ differentiation in embryogenesis are produced by innate immunity. The signaling function of NO is known already from the sponge stage of animal evolution. The cytotoxic role of NO molecule appeared later, as documented in immunity of marine mollusks and some insects. This implies that the M2-wound healing promoting function predates the defensive role of NO, a characteristic of M1 macrophages. Understanding when and how the M1 and M2 activities came to be in animals is useful for understanding how macrophage immunity, and immune responses operate.
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Affiliation(s)
- Jolanta Maria Dzik
- Department of Biochemistry, Faculty of Agriculture and Biology, Warsaw University of Life Sciences - SGGW , Warszawa , Poland
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The Fading Electricity Theory of Ageing: the missing biophysical principle? Ageing Res Rev 2013; 12:58-66. [PMID: 22940501 DOI: 10.1016/j.arr.2012.08.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2012] [Revised: 08/06/2012] [Accepted: 08/16/2012] [Indexed: 11/23/2022]
Abstract
Since a few years convincing data are accumulating showing that some of the premises of the master integrative theory of ageing, namely Harman's Reactive Oxygen Species or free radical theory, are less well founded than originally assumed. In addition, none of the about another dozen documented ageing mechanisms seems to hold the final answer as to the ultimate cause and evolutionary significance of ageing. This review raises the question whether, perhaps, something important has been overlooked, namely a biophysical principle, electrical in nature. The first cell on earth started to be alive when its system for generating its own electricity, carried by inorganic ions, became operational. Any cell dies at the very moment that this system irreversibly collapses. In between birth and death, the system is subject to wear and tear because any cell's overall repair system is not 100 percent waterproof; otherwise adaptation would not be an option. The Fading Electricity Theory of Ageing has all necessary properties for acting as a universal major integrative concept. The advent of novel methods will facilitate the study of bioelectrical phenomena with molecular biological methods in combination with optogenetics, thereby offering challenging possibilities for innovative research in evo-gero.
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Niemand J, Louw AI, Birkholtz L, Kirk K. Polyamine uptake by the intraerythrocytic malaria parasite, Plasmodium falciparum. Int J Parasitol 2012; 42:921-9. [PMID: 22878129 DOI: 10.1016/j.ijpara.2012.07.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Revised: 07/21/2012] [Accepted: 07/23/2012] [Indexed: 11/26/2022]
Abstract
Polyamines and the enzymes involved in their biosynthesis are present at high levels in rapidly proliferating cells, including cancer cells and protozoan parasites. Inhibition of polyamine biosynthesis in asexual blood-stage malaria parasites causes cytostatic arrest of parasite development under in vitro conditions, but does not cure infections in vivo. This may be due to replenishment of the parasite's intracellular polyamine pool via salvage of exogenous polyamines from the host. However, the mechanism(s) of polyamine uptake by the intraerythrocytic parasite are not well understood. In this study, the uptake of the polyamines, putrescine and spermidine, into Plasmodium falciparum parasites functionally isolated from their host erythrocyte was investigated using radioisotope flux techniques. Both putrescine and spermidine were taken up into isolated parasites via a temperature-dependent process that showed cross-competition between different polyamines. There was also some inhibition of polyamine uptake by basic amino acids. Inhibition of polyamine biosynthesis led to an increase in the total amount of putrescine and spermidine taken up from the extracellular medium. The uptake of putrescine and spermidine by isolated parasites was independent of extracellular Na(+) but increased with increasing external pH. Uptake also showed a marked dependence on the parasite's membrane potential, decreasing with membrane depolarization and increasing with membrane hyperpolarization. The data are consistent with polyamines being taken up into the parasite via an electrogenic uptake process, energised by the parasite's inwardly negative membrane potential.
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Affiliation(s)
- J Niemand
- Department of Biochemistry, Faculty of Natural and Agricultural Sciences, University of Pretoria, Hatfield 0028, South Africa
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Gladstone M, Su TT. Chemical genetics and drug screening in Drosophila cancer models. J Genet Genomics 2011; 38:497-504. [PMID: 22035870 DOI: 10.1016/j.jgg.2011.09.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 09/10/2011] [Accepted: 09/10/2011] [Indexed: 01/05/2023]
Abstract
Drug candidates often fail in preclinical and clinical testing because of reasons of efficacy and/or safety. It would be time- and cost-efficient to have screening models that reduce the rate of such false positive candidates that appear promising at first but fail later. In this regard, it would be particularly useful to have a rapid and inexpensive whole animal model that can pre-select hits from high-throughput screens but before testing in costly rodent assays. Drosophila melanogaster has emerged as a potential whole animal model for drug screening. Of particular interest have been drugs that must act in the context of multi-cellularity such as those for neurological disorders and cancer. A recent review provides a comprehensive summary of drug screening in Drosophila, but with an emphasis on neurodegenerative disorders. Here, we review Drosophila screens in the literature aimed at cancer therapeutics.
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Affiliation(s)
- Mara Gladstone
- Department of Molecular, Cellular and Developmental Biology, University of Colorado, Boulder, USA
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Heinick A, Urban K, Roth S, Spies D, Nunes F, Phanstiel O, Liebau E, Lüersen K. Caenorhabditis elegans P5B-type ATPase CATP-5 operates in polyamine transport and is crucial for norspermidine-mediated suppression of RNA interference. FASEB J 2009; 24:206-17. [PMID: 19762559 DOI: 10.1096/fj.09-135889] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Physiological polyamines are required in various biological processes. In the current study, we used norspermidine, a structural analog of the natural polyamine spermidine, to investigate polyamine uptake in the model organism Caenorhabditis elegans. Norspermidine was found to have two remarkable effects: it is toxic for the nematode, without affecting its food, Escherichia coli; and it hampers RNA interference. By characterizing a norspermidine-resistant C. elegans mutant strain that has been isolated in a genetic screen, we demonstrate that both effects, as well as the uptake of a fluorescent polyamine-conjugate, depend on the transporter protein CATP-5, a novel P(5B)-type ATPase. To our knowledge, CATP-5 represents the first P(5)-type ATPase that is associated with the plasma membrane, being expressed in the apical membrane of intestinal cells and the excretory cell. Moreover, genetic interaction studies using C. elegans polyamine synthesis mutants indicate that CATP-5 has a function redundant to polyamine synthesis and link reduced polyamine levels to retarded postembryonic development, reduced brood size, shortened life span, and small body size. We suggest that CATP-5 represents a crucial component of the pharmacologically important polyamine transport system, the molecular nature of which has not been identified so far in metazoa.
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Affiliation(s)
- Alexander Heinick
- Institute for Animal Physiology, Westfalian Wilhelms University, Muenster, Germany
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Daigle ND, Carpentier GA, Frenette-Cotton R, Simard MG, Lefoll MH, Noël M, Caron L, Noël J, Isenring P. Molecular characterization of a human cation-Cl−cotransporter (SLC12A8A, CCC9A) that promotes polyamine and amino acid transport. J Cell Physiol 2009; 220:680-9. [DOI: 10.1002/jcp.21814] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Vigne P, Frelin C. The role of polyamines in protein-dependent hypoxic tolerance of Drosophila. BMC PHYSIOLOGY 2008; 8:22. [PMID: 19055734 PMCID: PMC2613936 DOI: 10.1186/1472-6793-8-22] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2008] [Accepted: 12/02/2008] [Indexed: 11/24/2022]
Abstract
Background Chronic hypoxia is a major component of ischemic diseases such as stroke or myocardial infarction. Drosophila is more tolerant to hypoxia than most mammalian species. It is considered as a useful model organism to identify new mechanisms of hypoxic tolerance. The hypoxic tolerance of flies has previously been reported to be enhanced by low protein diets. This study analyses the mechanisms involved. Results Feeding adult Drosophila on a yeast diet dramatically reduced their longevities under chronic hypoxic conditions (5% O2). Mean and maximum longevities became close to the values observed for starving flies. The action of dietary yeast was mimicked by a whole casein hydrolysate and by anyone of the 20 natural amino acids that compose proteins. It was mimicked by amino acid intermediates of the urea cycle such as L-citrulline and L-ornithine, and by polyamines (putrescine, spermidine and spermine). α-difluoromethylornithine, a specific inhibitor of ornithine decarboxylase, partially protected hypoxic flies from amino acid toxicity but not from polyamine toxicity. N1-guanyl-1,7 diaminoheptane, a specific inhibitor of eIF5A hypusination, partially relieved the toxicities of both amino acids and polyamines. Conclusion Dietary amino acids reduced the longevity of chronically hypoxic flies fed on a sucrose diet. Pharmacological evidence suggests that the synthesis of polyamines and the hypusination of eIF5A contributed to the life-shortening effect of dietary amino acids.
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Tsen C, Iltis M, Kaur N, Bayer C, Delcros JG, von Kalm L, Phanstiel O. A Drosophila Model To Identify Polyamine−Drug Conjugates That Target the Polyamine Transporter in an Intact Epithelium. J Med Chem 2007; 51:324-30. [DOI: 10.1021/jm701198s] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chung Tsen
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Mark Iltis
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Navneet Kaur
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Cynthia Bayer
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Jean-Guy Delcros
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Laurence von Kalm
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
| | - Otto Phanstiel
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816-2366, Department of Biology, University of Central Florida, Orlando, Florida 32816-2368, and Groupe Cycle Cellulaire, UMR CNRS 6061 Génétique et Développement, IFR 97 Génomique Fonctionnelle et Santé, Faculté de Médecine, Université Rennes 1, 2 Avenue du Pr Leon Bernard, CS 34317, F-35043 Rennes Cédex, France
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Cochón AC, Della Penna AB, Kristoff G, Piol MN, San Martín de Viale LC, Verrengia Guerrero NR. Differential effects of paraquat on oxidative stress parameters and polyamine levels in two freshwater invertebrates. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2007; 68:286-92. [PMID: 17196654 DOI: 10.1016/j.ecoenv.2006.11.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2006] [Revised: 09/11/2006] [Accepted: 11/15/2006] [Indexed: 05/13/2023]
Abstract
Paraquat is still a widely used herbicide in several countries. Its toxic action on plants occurs through a one-electron reduction interfering with the photosynthesis process. By a similar reaction, the herbicide may induce peroxidation processes in non-target animal species. Furthermore, paraquat may interfere with the cellular transport of polyamines. The aim of this work was to investigate some aspects related to paraquat-induction of oxidative stress (lipoperoxidation, enzymatic activities of catalase and superoxide dismutase) and also the levels of polyamines (putrescine, spermidine and spermine) in two species of freshwater invertebrates, the oligochaete Lumbriculus variegatus and the gastropod Biomphalaria glabrata. The results showed that both organisms elicited differential responses. In addition, the data suggested that polyamines may play an important role against lipoperoxidation processes.
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Affiliation(s)
- A C Cochón
- Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Nuñez, 1428, Buenos Aires, Argentina.
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