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Chromosomal aberrations and fetotoxic effects of atmospheric arsenic exposure in mice

✍ Scribed by L. Nagymajtényi; A. Selypes; G. Berencsi

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
250 KB
Volume
5
Category
Article
ISSN
0260-437X

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✦ Synopsis

Abstract

Fetal chromosomal damage and toxicity were investigated in mice exposed to the atmospheric concentrations of 28.5 mg m^−3^, 2.9 mg m^−3^ and 0.26 mg m^−3^ of arsenic for 4 h per day on the 9th, 10th, 11th and 12th days of gestation. On the 18th day, the fetuses were removed, and the following parameters were examined: the number of dead fetuses, retardation in growth, osteogenesis and chromosomal aberrations in liver cells. It was found that exposure to As~2~O~3~ at 28.5 mg m^−3^ caused fetotoxic effects and chromosomal damage, while the two lower exposures produced no significant changes with the exception of a slight decrease (9.9 and 3.1%, respectively) in fetal weight.

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