Antioxidant biomarker survey ensuing long-term selenium withdrawal in Acipenser baeri fed Se-cysteine diets.
Identifieur interne : 000220 ( Main/Merge ); précédent : 000219; suivant : 000221Antioxidant biomarker survey ensuing long-term selenium withdrawal in Acipenser baeri fed Se-cysteine diets.
Auteurs : Antonia Concetta Elia [Italie] ; Maria Cesarina Abete [Italie] ; Nicole Pacini [Italie] ; Ambrosius Josef Martin Dörr [Italie] ; Tommaso Scanzio [Italie] ; Marino Prearo [Italie]Source :
- Environmental toxicology and pharmacology [ 1872-7077 ] ; 2014.
English descriptors
- KwdEn :
- Animals, Antioxidants (administration & dosage), Antioxidants (pharmacokinetics), Biomarkers (metabolism), Catalase (metabolism), Diet, Fishes (metabolism), Glutathione Peroxidase (metabolism), Kidney (metabolism), Liver (metabolism), Malondialdehyde (metabolism), Muscles (metabolism), Oxidative Stress, Selenium (metabolism), Selenocysteine (administration & dosage), Selenocysteine (pharmacokinetics), Superoxide Dismutase (metabolism), Thiolester Hydrolases (metabolism).
- MESH :
- chemical , administration & dosage : Antioxidants, Selenocysteine.
- chemical , metabolism : Biomarkers, Catalase, Glutathione Peroxidase, Malondialdehyde, Selenium, Superoxide Dismutase, Thiolester Hydrolases.
- chemical , pharmacokinetics : Antioxidants, Selenocysteine.
- metabolism : Fishes, Kidney, Liver, Muscles.
- Animals, Diet, Oxidative Stress.
Abstract
Two selenium withdrawal periods, 30 and 90 days, were considered for sturgeon fed 90 days three Se-cysteine diets (1.25, 5, 20 mgkg(-1)). Subsequently Acipenser baeri was fed the previous control diet (0.32 mgSekg(-1)) for 90 days. Levels of superoxide dismutase, catalase, glutathione peroxidases, glutathione reductase, glyoxalase-II and malondialdehyde were determined in liver and kidney. Chemical analyses were carried out for the same tissues and for muscle. A reduction of Se levels in all tissues was recorded and the metalloid concentration decreased more quickly in liver than in kidney and muscle. At the end of the withdrawal Se concentration in muscle remained high in specimens previously fed 20 mgSekg(-1) diet, and disturbance of key antioxidant enzymes was recorded in liver and kidney. Moreover, alterations in glutathione peroxidases, and glyoxalase-II activities persisted even after 90 withdrawal days and were indicative of oxidative stress induced by Se-cysteine concentrations.
DOI: 10.1016/j.etap.2014.04.012
PubMed: 24802526
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pubmed:24802526Le document en format XML
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Electronic address: antonia.elia@unipg.it.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Cellular and Environmental Biology, University of Perugia, 06123 Perugia</wicri:regionArea><wicri:noRegion>06123 Perugia</wicri:noRegion></affiliation></author><author><name sortKey="Abete, Maria Cesarina" sort="Abete, Maria Cesarina" uniqKey="Abete M" first="Maria Cesarina" last="Abete">Maria Cesarina Abete</name><affiliation wicri:level="1"><nlm:affiliation>C.Re.A.A. National Reference Centre for the Surveillance and Monitoring of Animal Feed, State Veterinary Institute, 10154 Turin, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>C.Re.A.A. National Reference Centre for the Surveillance and Monitoring of Animal Feed, State Veterinary Institute, 10154 Turin</wicri:regionArea><placeName><settlement type="city">Turin</settlement><region type="région" nuts="2">Piémont</region></placeName></affiliation></author><author><name sortKey="Pacini, Nicole" sort="Pacini, Nicole" uniqKey="Pacini N" first="Nicole" last="Pacini">Nicole Pacini</name><affiliation wicri:level="1"><nlm:affiliation>Department of Cellular and Environmental Biology, University of Perugia, 06123 Perugia, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Cellular and Environmental Biology, University of Perugia, 06123 Perugia</wicri:regionArea><wicri:noRegion>06123 Perugia</wicri:noRegion></affiliation></author><author><name sortKey="Dorr, Ambrosius Josef Martin" sort="Dorr, Ambrosius Josef Martin" uniqKey="Dorr A" first="Ambrosius Josef Martin" last="Dörr">Ambrosius Josef Martin Dörr</name><affiliation wicri:level="1"><nlm:affiliation>Department of Cellular and Environmental Biology, University of Perugia, 06123 Perugia, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Cellular and Environmental Biology, University of Perugia, 06123 Perugia</wicri:regionArea><wicri:noRegion>06123 Perugia</wicri:noRegion></affiliation></author><author><name sortKey="Scanzio, Tommaso" sort="Scanzio, Tommaso" uniqKey="Scanzio T" first="Tommaso" last="Scanzio">Tommaso Scanzio</name><affiliation wicri:level="1"><nlm:affiliation>Fish Disease Laboratory, State Veterinary Institute, 10154 Turin, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Fish Disease Laboratory, State Veterinary Institute, 10154 Turin</wicri:regionArea><placeName><settlement type="city">Turin</settlement><region type="région" nuts="2">Piémont</region></placeName></affiliation></author><author><name sortKey="Prearo, Marino" sort="Prearo, Marino" uniqKey="Prearo M" first="Marino" last="Prearo">Marino Prearo</name><affiliation wicri:level="1"><nlm:affiliation>Fish Disease Laboratory, State Veterinary Institute, 10154 Turin, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Fish Disease Laboratory, State Veterinary Institute, 10154 Turin</wicri:regionArea><placeName><settlement type="city">Turin</settlement><region type="région" nuts="2">Piémont</region></placeName></affiliation></author></analytic><series><title level="j">Environmental toxicology and pharmacology</title><idno type="eISSN">1872-7077</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Antioxidants (administration & dosage)</term><term>Antioxidants (pharmacokinetics)</term><term>Biomarkers (metabolism)</term><term>Catalase (metabolism)</term><term>Diet</term><term>Fishes (metabolism)</term><term>Glutathione Peroxidase (metabolism)</term><term>Kidney (metabolism)</term><term>Liver (metabolism)</term><term>Malondialdehyde (metabolism)</term><term>Muscles (metabolism)</term><term>Oxidative Stress</term><term>Selenium (metabolism)</term><term>Selenocysteine (administration & dosage)</term><term>Selenocysteine (pharmacokinetics)</term><term>Superoxide Dismutase (metabolism)</term><term>Thiolester Hydrolases (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Antioxidants</term><term>Selenocysteine</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Biomarkers</term><term>Catalase</term><term>Glutathione Peroxidase</term><term>Malondialdehyde</term><term>Selenium</term><term>Superoxide Dismutase</term><term>Thiolester Hydrolases</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Antioxidants</term><term>Selenocysteine</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fishes</term><term>Kidney</term><term>Liver</term><term>Muscles</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Diet</term><term>Oxidative Stress</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two selenium withdrawal periods, 30 and 90 days, were considered for sturgeon fed 90 days three Se-cysteine diets (1.25, 5, 20 mgkg(-1)). Subsequently Acipenser baeri was fed the previous control diet (0.32 mgSekg(-1)) for 90 days. Levels of superoxide dismutase, catalase, glutathione peroxidases, glutathione reductase, glyoxalase-II and malondialdehyde were determined in liver and kidney. Chemical analyses were carried out for the same tissues and for muscle. A reduction of Se levels in all tissues was recorded and the metalloid concentration decreased more quickly in liver than in kidney and muscle. At the end of the withdrawal Se concentration in muscle remained high in specimens previously fed 20 mgSekg(-1) diet, and disturbance of key antioxidant enzymes was recorded in liver and kidney. Moreover, alterations in glutathione peroxidases, and glyoxalase-II activities persisted even after 90 withdrawal days and were indicative of oxidative stress induced by Se-cysteine concentrations.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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