Bioaccumulation and chronic toxicity of dietary L-selenomethionine in juvenile white sturgeon (Acipenser transmontanus).
Identifieur interne : 000492 ( PubMed/Checkpoint ); précédent : 000491; suivant : 000493Bioaccumulation and chronic toxicity of dietary L-selenomethionine in juvenile white sturgeon (Acipenser transmontanus).
Auteurs : Diran H. Tashjian [États-Unis] ; Swee J. Teh ; Arutyun Sogomonyan ; Silas S O. HungSource :
- Aquatic toxicology (Amsterdam, Netherlands) [ 0166-445X ] ; 2006.
English descriptors
- KwdEn :
- Animal Feed (analysis), Animals, Behavior, Animal (drug effects), Body Composition (drug effects), Dietary Supplements (toxicity), Fishes (metabolism), Fishes (physiology), Growth (drug effects), Kidney (drug effects), Liver (drug effects), Motor Activity (drug effects), Selenomethionine (administration & dosage), Selenomethionine (pharmacokinetics), Selenomethionine (toxicity), Survival Analysis, Swimming, Time Factors.
- MESH :
- chemical , administration & dosage : Selenomethionine.
- analysis : Animal Feed.
- drug effects : Behavior, Animal, Body Composition, Growth, Kidney, Liver, Motor Activity.
- metabolism : Fishes.
- chemical , pharmacokinetics : Selenomethionine.
- physiology : Fishes.
- toxicity : Dietary Supplements, Selenomethionine.
- Animals, Survival Analysis, Swimming, Time Factors.
Abstract
An 8-week growth trial was conducted to determine the sensitivity of white sturgeon (Acipenser transmontanus) to the toxicological effects of elevated dietary selenium (Se). Juvenile white sturgeon were fed diets supplemented with Se in the form of L-selenomethionine (SeMet), resulting in dietary concentrations of 0.4, 9.6, 20.5, 41.7, 89.8, and 191.1 microg Se/g diet on a dry weight basis. Effects of dietary SeMet on survival, swimming activity, growth, whole-body proximate composition, tissue Se concentrations, and histopathology were determined. Sturgeon survival among treatment groups did not differ significantly with a mean survival rate of 99+/-0.43% across all groups. A significant decrease (p<0.05) in swimming activity and growth rate was observed in sturgeon fed at or above 41.7 microg Se/g diet. Dietary SeMet concentrations were negatively correlated with whole-body protein and lipid content, but positively correlated with ash and moisture content. Selenium accumulated in the kidney, muscle, liver, gill, and plasma tissues in a dose-dependent manner. Histopathological alterations in the liver and kidney were observed in sturgeon fed above 20.5 microg Se/g diet. The threshold dietary Se toxicity concentration for white sturgeon was estimated to lie between 10 and 20 microg Se/g diet based on the histopathological alterations in the kidney. Research examining the consequences of elevated dietary Se concentrations on more sensitive life stages and the interactive effects of Se with other chemical or physical stressors are needed in order to determine if dietary threshold should be lowered to minimize the potential impacts of Se on white sturgeon in the San Francisco Bay-Delta.
DOI: 10.1016/j.aquatox.2006.07.008
PubMed: 16935358
Affiliations:
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Teh</name></author><author><name sortKey="Sogomonyan, Arutyun" sort="Sogomonyan, Arutyun" uniqKey="Sogomonyan A" first="Arutyun" last="Sogomonyan">Arutyun Sogomonyan</name></author><author><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. 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Tashjian</name><affiliation wicri:level="1"><nlm:affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, 95616-8521, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Animal Science, University of California, One Shields Avenue, Davis, 95616-8521</wicri:regionArea><wicri:noRegion>95616-8521</wicri:noRegion></affiliation></author><author><name sortKey="Teh, Swee J" sort="Teh, Swee J" uniqKey="Teh S" first="Swee J" last="Teh">Swee J. Teh</name></author><author><name sortKey="Sogomonyan, Arutyun" sort="Sogomonyan, Arutyun" uniqKey="Sogomonyan A" first="Arutyun" last="Sogomonyan">Arutyun Sogomonyan</name></author><author><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. Hung</name></author></analytic><series><title level="j">Aquatic toxicology (Amsterdam, Netherlands)</title><idno type="ISSN">0166-445X</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animal Feed (analysis)</term><term>Animals</term><term>Behavior, Animal (drug effects)</term><term>Body Composition (drug effects)</term><term>Dietary Supplements (toxicity)</term><term>Fishes (metabolism)</term><term>Fishes (physiology)</term><term>Growth (drug effects)</term><term>Kidney (drug effects)</term><term>Liver (drug effects)</term><term>Motor Activity (drug effects)</term><term>Selenomethionine (administration & dosage)</term><term>Selenomethionine (pharmacokinetics)</term><term>Selenomethionine (toxicity)</term><term>Survival Analysis</term><term>Swimming</term><term>Time Factors</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Selenomethionine</term></keywords><keywords scheme="MESH" qualifier="analysis" xml:lang="en"><term>Animal Feed</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Behavior, Animal</term><term>Body Composition</term><term>Growth</term><term>Kidney</term><term>Liver</term><term>Motor Activity</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Selenomethionine</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" qualifier="toxicity" xml:lang="en"><term>Dietary Supplements</term><term>Selenomethionine</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Survival Analysis</term><term>Swimming</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An 8-week growth trial was conducted to determine the sensitivity of white sturgeon (Acipenser transmontanus) to the toxicological effects of elevated dietary selenium (Se). Juvenile white sturgeon were fed diets supplemented with Se in the form of L-selenomethionine (SeMet), resulting in dietary concentrations of 0.4, 9.6, 20.5, 41.7, 89.8, and 191.1 microg Se/g diet on a dry weight basis. Effects of dietary SeMet on survival, swimming activity, growth, whole-body proximate composition, tissue Se concentrations, and histopathology were determined. Sturgeon survival among treatment groups did not differ significantly with a mean survival rate of 99+/-0.43% across all groups. A significant decrease (p<0.05) in swimming activity and growth rate was observed in sturgeon fed at or above 41.7 microg Se/g diet. Dietary SeMet concentrations were negatively correlated with whole-body protein and lipid content, but positively correlated with ash and moisture content. Selenium accumulated in the kidney, muscle, liver, gill, and plasma tissues in a dose-dependent manner. Histopathological alterations in the liver and kidney were observed in sturgeon fed above 20.5 microg Se/g diet. The threshold dietary Se toxicity concentration for white sturgeon was estimated to lie between 10 and 20 microg Se/g diet based on the histopathological alterations in the kidney. Research examining the consequences of elevated dietary Se concentrations on more sensitive life stages and the interactive effects of Se with other chemical or physical stressors are needed in order to determine if dietary threshold should be lowered to minimize the potential impacts of Se on white sturgeon in the San Francisco Bay-Delta.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16935358</PMID><DateCreated><Year>2006</Year><Month>09</Month><Day>19</Day></DateCreated><DateCompleted><Year>2007</Year><Month>11</Month><Day>13</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0166-445X</ISSN><JournalIssue CitedMedium="Print"><Volume>79</Volume><Issue>4</Issue><PubDate><Year>2006</Year><Month>Oct</Month><Day>12</Day></PubDate></JournalIssue><Title>Aquatic toxicology (Amsterdam, Netherlands)</Title><ISOAbbreviation>Aquat. Toxicol.</ISOAbbreviation></Journal><ArticleTitle>Bioaccumulation and chronic toxicity of dietary L-selenomethionine in juvenile white sturgeon (Acipenser transmontanus).</ArticleTitle><Pagination><MedlinePgn>401-9</MedlinePgn></Pagination><Abstract><AbstractText>An 8-week growth trial was conducted to determine the sensitivity of white sturgeon (Acipenser transmontanus) to the toxicological effects of elevated dietary selenium (Se). Juvenile white sturgeon were fed diets supplemented with Se in the form of L-selenomethionine (SeMet), resulting in dietary concentrations of 0.4, 9.6, 20.5, 41.7, 89.8, and 191.1 microg Se/g diet on a dry weight basis. Effects of dietary SeMet on survival, swimming activity, growth, whole-body proximate composition, tissue Se concentrations, and histopathology were determined. Sturgeon survival among treatment groups did not differ significantly with a mean survival rate of 99+/-0.43% across all groups. A significant decrease (p<0.05) in swimming activity and growth rate was observed in sturgeon fed at or above 41.7 microg Se/g diet. Dietary SeMet concentrations were negatively correlated with whole-body protein and lipid content, but positively correlated with ash and moisture content. Selenium accumulated in the kidney, muscle, liver, gill, and plasma tissues in a dose-dependent manner. Histopathological alterations in the liver and kidney were observed in sturgeon fed above 20.5 microg Se/g diet. The threshold dietary Se toxicity concentration for white sturgeon was estimated to lie between 10 and 20 microg Se/g diet based on the histopathological alterations in the kidney. Research examining the consequences of elevated dietary Se concentrations on more sensitive life stages and the interactive effects of Se with other chemical or physical stressors are needed in order to determine if dietary threshold should be lowered to minimize the potential impacts of Se on white sturgeon in the San Francisco Bay-Delta.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tashjian</LastName><ForeName>Diran H</ForeName><Initials>DH</Initials><AffiliationInfo><Affiliation>Department of Animal Science, University of California, One Shields Avenue, Davis, 95616-8521, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Teh</LastName><ForeName>Swee J</ForeName><Initials>SJ</Initials></Author><Author ValidYN="Y"><LastName>Sogomonyan</LastName><ForeName>Arutyun</ForeName><Initials>A</Initials></Author><Author ValidYN="Y"><LastName>Hung</LastName><ForeName>Silas S O</ForeName><Initials>SS</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2006</Year><Month>07</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Aquat Toxicol</MedlineTA><NlmUniqueID>8500246</NlmUniqueID><ISSNLinking>0166-445X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>964MRK2PEL</RegistryNumber><NameOfSubstance UI="D012645">Selenomethionine</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000821" MajorTopicYN="N">Animal Feed</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D001522" MajorTopicYN="N">Behavior, Animal</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001823" MajorTopicYN="N">Body Composition</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="Y">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D019587" MajorTopicYN="N">Dietary Supplements</DescriptorName><QualifierName UI="Q000633" MajorTopicYN="N">toxicity</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006128" MajorTopicYN="N">Growth</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D007668" MajorTopicYN="N">Kidney</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008099" MajorTopicYN="N">Liver</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009043" MajorTopicYN="N">Motor Activity</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012645" MajorTopicYN="N">Selenomethionine</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="N">administration & dosage</QualifierName><QualifierName UI="Q000493" MajorTopicYN="N">pharmacokinetics</QualifierName><QualifierName UI="Q000633" 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PubStatus="entrez"><Year>2006</Year><Month>8</Month><Day>29</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16935358</ArticleId><ArticleId IdType="pii">S0166-445X(06)00296-7</ArticleId><ArticleId IdType="doi">10.1016/j.aquatox.2006.07.008</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><noCountry><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. Hung</name><name sortKey="Sogomonyan, Arutyun" sort="Sogomonyan, Arutyun" uniqKey="Sogomonyan A" first="Arutyun" last="Sogomonyan">Arutyun Sogomonyan</name><name sortKey="Teh, Swee J" sort="Teh, Swee J" uniqKey="Teh S" first="Swee J" last="Teh">Swee J. Teh</name></noCountry><country name="États-Unis"><noRegion><name sortKey="Tashjian, Diran H" sort="Tashjian, Diran H" uniqKey="Tashjian D" first="Diran H" last="Tashjian">Diran H. Tashjian</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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