Transplacental transfer of phenyltins from a pregnant Dall's porpoise (Phocoenoides dalli) to her fetus

文献类型： 外文期刊

第一作者： Yang, Jian

作者： Yang, Jian;Harino, Hinoya;Miyazaki, Nobuyuki

作者机构：

关键词： bio-accumulation;fetus;monophenyltin;diphenyltin;triphenyltin;cetacean;COASTAL WATERS;MARINE MAMMALS;NORTH PACIFIC;BUTYLTIN CONTAMINATION;TISSUE DISTRIBUTION;ORGANOTIN COMPOUNDS;TRIPHENYLTIN;ACCUMULATION;ORGANOCHLORINE;METABOLISM

期刊名称：CHEMOSPHERE （ 影响因子：7.086； 五年影响因子：6.956 ）

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年卷期：

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收录情况： SCI

摘要： The maternal to fetal transfer of monophenyltin (MPT), diphenyltin (DPT), and triphenyltin (TPT) was investigated for the first time in a cetacean species, a mother-fetus pair of Dall's porpoises (Phocoenoides dalli) collected off the Sanriku coast, Japan. The mother individual was contaminated by phenyltin compounds, and the muscle, blubber, and liver accounted for 90% of the total phenyltin burden. A two-generation phenyltin contamination via transplacental transfer was demonstrated. This study revealed that the transfer rate was 0.29% for total phenyltins to a fetus of about 6-month-old. Unlike in the mother, the fetal liver could not be considered the target organ for all the phenyltins studied. In a ca. 100 kg-weight mother Dall's porpoise and its fetus of 2.21 kg-weight, approximately 153 mu g (TPT, 139 mu g; DPT, 9.4 mu g; MPT, 4.2 mu g) and 0.44 mu g of total phenyltins (TPT, 0.38 mu g; DPT, 0.03 mu g; MPT, 0.03 mu g) were found, respectively. The body burden of TPT consisted of 91% and 86% of the total phenyltin burdens in the maternal and fetal bodies, respectively. (c) 2006 Elsevier Ltd. All rights reserved.

分类号： X51

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