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镉、汞和硒暴露大鼠体内镉的器官及亚细胞分布

Organ and subcellular distribution of cadmium in rats exposed to cadmium, mercury, and selenium.

作者信息

Chmielnicka J, Bem E M, Kaszubski P

出版信息

Environ Res. 1983 Aug;31(2):266-72. doi: 10.1016/0013-9351(83)90003-8.

DOI:10.1016/0013-9351(83)90003-8
PMID:6884289
Abstract

Four groups of rats were given: cadmium chloride (Cd), cadmium chloride and mercuric chloride (Cd + Hg), cadmium chloride and sodium selenite (Cd + Se), or cadmium chloride, mercuric chloride, and sodium selenite (Cd + Hg + Se). All animals received subcutaneous doses of 115mCdCl2 (0.3 mg Cd/kg) every other day for 2 weeks. Mercuric chloride was administered intravenously at doses of 0.5 mg Hg/kg every other day, and Na2 75SeO3 intragastrically at doses of 0.1 mg Se/kg every day for a fortnight. The whole-body and organ retention of cadmium changed slightly with the type of exposure. A significant interaction effect of the examined elements was noted in the nuclear and soluble fractions of the liver and kidneys. Mercury decreased the cadmium concentration in both the nuclear and soluble fractions of the kidneys and diminished the effect of selenium on the cadmium level in the soluble fraction of the kidneys. In the liver the presence of mercury contrary to selenium, lowered the cadmium level in the nuclear fraction. The pattern of cadmium binding to proteins of the soluble fraction of the kidneys and liver remained the same in all groups of animals.

摘要

将四组大鼠分别给予

氯化镉(Cd)、氯化镉和氯化汞(Cd + Hg)、氯化镉和亚硒酸钠(Cd + Se)、或氯化镉、氯化汞和亚硒酸钠(Cd + Hg + Se)。所有动物每隔一天皮下注射115mCdCl2(0.3毫克镉/千克),持续2周。每隔一天静脉注射0.5毫克汞/千克的氯化汞,每天经胃给予0.1毫克硒/千克的Na2 75SeO3,持续两周。镉在全身和器官中的潴留量随暴露类型略有变化。在肝脏和肾脏的核组分和可溶组分中,观察到所检测元素之间存在显著的相互作用。汞降低了肾脏核组分和可溶组分中的镉浓度,并减弱了硒对肾脏可溶组分中镉水平的影响。在肝脏中,与硒相反,汞的存在降低了核组分中的镉水平。在所有动物组中,镉与肾脏和肝脏可溶组分中蛋白质的结合模式保持不变。

相似文献

1
Organ and subcellular distribution of cadmium in rats exposed to cadmium, mercury, and selenium.镉、汞和硒暴露大鼠体内镉的器官及亚细胞分布
Environ Res. 1983 Aug;31(2):266-72. doi: 10.1016/0013-9351(83)90003-8.
2
Organ and subcellular distribution of selenium in rats exposed to cadmium, mercury, and selenium.镉、汞和硒暴露大鼠体内硒的器官及亚细胞分布
Environ Res. 1983 Aug;31(2):273-8. doi: 10.1016/0013-9351(83)90004-x.
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[Organic and subcellular distribution of cadmium in rats exposed to cadmium, mercury and selenium].[镉、汞和硒暴露大鼠体内镉的器官及亚细胞分布]
Przegl Lek. 1983;40(6):499-501.
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Whole-body retention of mercury and selenium and histopathological and morphological studies of kidneys and liver of rats exposed repeatedly to mercuric chloride and sodium selenite.反复暴露于氯化汞和亚硒酸钠的大鼠体内汞和硒的全身潴留情况以及肾脏和肝脏的组织病理学和形态学研究。
Arch Toxicol. 1978 Jun 16;40(3):189-99. doi: 10.1007/BF00364650.
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Effect of interaction between 65Zn, mercury and selenium in rats (retention, metallothionein, endogenous copper).65锌、汞和硒之间的相互作用对大鼠的影响(潴留、金属硫蛋白、内源性铜)
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Studies on the interaction and distribution of selenite, mercuric, methoxyethyl mercuric and methyl mercuric chloride in rats. II. Analysis of the soluble proteins and the precipitates of liver and kidney homogenates.大鼠体内亚硒酸盐、汞、甲氧基乙基汞和甲基氯化汞的相互作用及分布研究。II. 肝脏和肾脏匀浆中可溶性蛋白质及沉淀物的分析。
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Interaction of alkylmercuric compounds with sodium selenite. I. Metabolism of ethylmercuric chloride administered alone and in combination with sodium selenite in rats.烷基汞化合物与亚硒酸钠的相互作用。I. 大鼠单独及与亚硒酸钠联合给予氯化乙基汞后的代谢情况
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Influence of selenium dose on mercury distribution and retention in suckling rats.硒剂量对哺乳期大鼠体内汞分布和滞留的影响。
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[Studies on the behavior of mercury and selenium in blood of mice injected with those elements].[关于注射汞和硒元素的小鼠血液中汞和硒行为的研究]
Hokkaido Igaku Zasshi. 1985 Mar;60(2):227-40.

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