Toxicology Studies on Lewisite and Sulfur Mustard Agents: Genetic Toxicity of Sulfur Mustard (HD) in Chinese Hamster Ovary Cells Final Report

Jostes, R. F.; Sasser, L. B.; Rausch, R. J.

doi:10.2172/1086510

1989

DOI: 10.2172/1086510

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Toxicology Studies on Lewisite and Sulfur Mustard Agents: Genetic Toxicity of Sulfur Mustard (HD) in Chinese Hamster Ovary Cells Final Report

R. F. Jostes¹,

L. B. Sasser²,

R. J. Rausch³

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1993

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Dominant lethal study of sulfur mustard in male and female rats

Sasser

Cushing

Dacre

1993

J of Applied Toxicology

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Sulfur mustard (HD) (bis(2-chloroethyl)sulfide) is a strong alkylating agent with known mutagenic and suspected carcinogenic properties, but occupational health standards have not been established. The purpose of this study was to determine the dominant lethal effect in male and female rats dosed orally with HD, for which currently available data are ambiguous. Sprague-Dawley rats of each sex, 6-7 weeks old, were orally administered 0, 0.08, 0.20 or 0.50 mg kg-1 HD 5 days a week for 10 weeks, after which dominant lethal studies were conducted during the post-exposure period. The studies were conducted in two phases: a female dominant lethal phase in which treated or untreated males were mated with treated females and their fetuses were evaluated 14 days after copulation; and a male dominant lethal phase in which treated males cohabited with untreated females for 5 days and fetuses were evaluated 14 days after the mid-point of the week of cohabitation, for each of 10 weeks. In addition, motility, population size and morphology were measured in sperm obtained from the cauda epididymis. Parental growth rates were reduced in both sexes treated with the high level of HD. Female dominant lethal effects were not observed, although significant male dominant lethal effects were observed in HD-exposed male rats mated to untreated females at 2 and 3 weeks' post-exposure. These effects, which included increases of early fetal resorptions and preimplantation losses and decrease in total live embryo implants, were most consistently observed at a dose of 0.50 mg kg-1. A significant P(P < 0.05) increase in the percentage of abnormal sperm was detected in males exposed to 0.50 mg kg-1 HD. The timing of dominant lethal effects is consistent with an effect during the post-meiotic stages of spermatogenesis, possibly involving the generally sensitive spermatids.

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Dominant lethal study of sulfur mustard in male and female rats

Sasser

Cushing

Dacre

1993

J of Applied Toxicology

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show abstract

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Toxicology Studies on Lewisite and Sulfur Mustard Agents: Genetic Toxicity of Sulfur Mustard (HD) in Chinese Hamster Ovary Cells Final Report

Cited by 1 publication

References 14 publications

Dominant lethal study of sulfur mustard in male and female rats

Dominant lethal study of sulfur mustard in male and female rats

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