Tissue concentrations of polybrominated compounds in Chinese sturgeon (Acipenser sinensis): origin, hepatic sequestration, and maternal transfer.
Identifieur interne : 000337 ( Ncbi/Curation ); précédent : 000336; suivant : 000338Tissue concentrations of polybrominated compounds in Chinese sturgeon (Acipenser sinensis): origin, hepatic sequestration, and maternal transfer.
Auteurs : Kun Zhang [République populaire de Chine] ; Yi Wan ; John P. Giesy ; Michael H W. Lam ; Steve Wiseman ; Paul D. Jones ; Jianying HuSource :
- Environmental science & technology [ 1520-5851 ] ; 2010.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Halogenated Diphenyl Ethers, Water Pollutants, Chemical.
- metabolism : Fishes, Liver, Ovum.
- Animals, Environmental Monitoring, Female, Male, Maternal Exposure.
Abstract
Information on concentrations of polybrominated compounds in various tissues of wild fish is limited. Concentrations of polybrominated diphenyl ethers (PBDEs), methoxylated PBDEs (MeO-PBDEs), and hydroxylated PBDEs (OH-PBDEs) were measured in 12 organs and eggs of 17 female Chinese sturgeon (Acipenser sinensis). The highest concentrations of PBDEs (42.8+/-39.4 ng/g ww), and MeO-PBDEs (135+/-63.6 pg/g ww) occurred in adipose followed by liver (PBDEs: 25.0+/-27.0 ng/g ww, MeO-PBDEs: 32.3+/-29.1 pg/g ww) and eggs (PBDEs: 21.2+/-19.4 ng/g ww, MeO-PBDEs: 120+/-119 pg/g ww), and the highest concentration of OH-PBDEs was observed in liver (185+/-174 pg/g ww) and eggs (178+/-294 pg/g ww). The lack of in vitro transformation of 6-MeO-BDE47 or BDE47 by microsomes prepared from Chinese sturgeon liver suggests that most 6-OH-BDE47 was directly accumulated as a natural product. Lipid-normalization revealed preferential accumulation of PBDEs in liver, and ratios of concentrations between eggs and liver were 0.10+/-0.11 to 0.22+/-0.26, which was lower than that for MeO-PBDEs (6-MeO-BDE47: 0.57+/-0.60, 2'-MeO-BDE68: 0.65+/-0.85) and 6-OH-BDE47 (0.59+/-0.51). Concentrations of PBDEs were negatively correlated with age, but no significant relationships between concentrations of OH-PBDEs or MeO-PBDEs and age were observed.
DOI: 10.1021/es100348g
PubMed: 20604581
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Giesy</name></author><author><name sortKey="Lam, Michael H W" sort="Lam, Michael H W" uniqKey="Lam M" first="Michael H W" last="Lam">Michael H W. Lam</name></author><author><name sortKey="Wiseman, Steve" sort="Wiseman, Steve" uniqKey="Wiseman S" first="Steve" last="Wiseman">Steve Wiseman</name></author><author><name sortKey="Jones, Paul D" sort="Jones, Paul D" uniqKey="Jones P" first="Paul D" last="Jones">Paul D. 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Giesy</name></author><author><name sortKey="Lam, Michael H W" sort="Lam, Michael H W" uniqKey="Lam M" first="Michael H W" last="Lam">Michael H W. Lam</name></author><author><name sortKey="Wiseman, Steve" sort="Wiseman, Steve" uniqKey="Wiseman S" first="Steve" last="Wiseman">Steve Wiseman</name></author><author><name sortKey="Jones, Paul D" sort="Jones, Paul D" uniqKey="Jones P" first="Paul D" last="Jones">Paul D. Jones</name></author><author><name sortKey="Hu, Jianying" sort="Hu, Jianying" uniqKey="Hu J" first="Jianying" last="Hu">Jianying Hu</name></author></analytic><series><title level="j">Environmental science & technology</title><idno type="eISSN">1520-5851</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Environmental Monitoring</term><term>Female</term><term>Fishes (metabolism)</term><term>Halogenated Diphenyl Ethers (metabolism)</term><term>Liver (metabolism)</term><term>Male</term><term>Maternal Exposure</term><term>Ovum (metabolism)</term><term>Water Pollutants, Chemical (metabolism)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Halogenated Diphenyl Ethers</term><term>Water Pollutants, Chemical</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fishes</term><term>Liver</term><term>Ovum</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Environmental Monitoring</term><term>Female</term><term>Male</term><term>Maternal Exposure</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Information on concentrations of polybrominated compounds in various tissues of wild fish is limited. Concentrations of polybrominated diphenyl ethers (PBDEs), methoxylated PBDEs (MeO-PBDEs), and hydroxylated PBDEs (OH-PBDEs) were measured in 12 organs and eggs of 17 female Chinese sturgeon (Acipenser sinensis). The highest concentrations of PBDEs (42.8+/-39.4 ng/g ww), and MeO-PBDEs (135+/-63.6 pg/g ww) occurred in adipose followed by liver (PBDEs: 25.0+/-27.0 ng/g ww, MeO-PBDEs: 32.3+/-29.1 pg/g ww) and eggs (PBDEs: 21.2+/-19.4 ng/g ww, MeO-PBDEs: 120+/-119 pg/g ww), and the highest concentration of OH-PBDEs was observed in liver (185+/-174 pg/g ww) and eggs (178+/-294 pg/g ww). The lack of in vitro transformation of 6-MeO-BDE47 or BDE47 by microsomes prepared from Chinese sturgeon liver suggests that most 6-OH-BDE47 was directly accumulated as a natural product. Lipid-normalization revealed preferential accumulation of PBDEs in liver, and ratios of concentrations between eggs and liver were 0.10+/-0.11 to 0.22+/-0.26, which was lower than that for MeO-PBDEs (6-MeO-BDE47: 0.57+/-0.60, 2'-MeO-BDE68: 0.65+/-0.85) and 6-OH-BDE47 (0.59+/-0.51). Concentrations of PBDEs were negatively correlated with age, but no significant relationships between concentrations of OH-PBDEs or MeO-PBDEs and age were observed.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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