Arsenic accumulation, elimination, and interaction with copper, zinc and manganese in liver and kidney of rats

被引：48

作者：

Cui, Xing ^{[1
,2
]}

Okayasu, Ryuichi ^{[1
]}

机构：

[1] Natl Inst Radiol Sci, Heavy Ion Radiobiol Res Grp, Res Ctr Charged Particle Therapy, Inage Ku, Chiba 2638555, Japan

[2] Natl Inst Environm Studies, Environm Hlth Sci Div, Tsukuba, Ibaraki 3058506, Japan

来源：

FOOD AND CHEMICAL TOXICOLOGY | 2008年 / 46卷 / 12期

关键词：

Arsenic; Metabolism; Trace element; Metallothionein-1;

D O I：

10.1016/j.fct.2008.09.040

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The arsenic accumulation, distribution and influences on metallothionein-1 (MT-1) expression and other trace elements in various organs were examined in rats orally exposed to sodium arsenate (iAs(v)). Rats received a dose of 0, 1, 10 and 100 ppm of iAs(v) in drinking water daily for4- and 16-weeks. Arsenic seems to be distributed in all of the tissues, and was accumulated relatively higher in the spleen, lung and kidney compared to the liver, and much lower in skin and cerebrum. High dose of iAs(v)-exposure significantly increased the concentration of copper in the kidney, but did not influence other trace elements such as zinc and manganese in the liver. The mRNA expression of MT-1 was dose-dependently increased by iAsv-exposure in the liver whereas it was decreased in the kidney. These data indicate that arsenic is widely distributed and significantly accumulated in various organs and influences on other trace elements, and also modulates MT-1 expression in the liver and kidney. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3646 / 3650

页数：5

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