期刊
REPRODUCTIVE TOXICOLOGY
卷 17, 期 4, 页码 407-412出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0890-6238(03)00037-6
关键词
monobenzyl phthalate; butyl benzyl phthalate; developmental toxicity; male reproductive system; anogenital distance; undescended testes; antiandrogenic effect; rat
The objective of this study was to determine the adverse effects of monobenzyl phthalate (MBeP), a major metabolite of butyl benzyl phthalate (BBP), on the development of the reproductive system, and to assess the role of MBeP in the antiandrogenic effects of BBP. Pregnant rats were given MBeP by gavage at 167, 250, or 375 mg/kg on days 15-17 of pregnancy. Fetuses were examined on day 21 of pregnancy. Maternal body weight gain and food consumption were significantly decreased at 167 mg/kg and higher. Fetal weight was significantly decreased at 375 mg/kg. A significant increase in the incidence of undescended testes and decrease in the anogenital distance (AGD) and ratio of AGD to the cube root of body weight was found in male fetuses at 250 mg/kg and higher. The AGD and ratio of AGD to the cube root of body weight of female fetuses. in the MBeP-treated groups were comparable to those in the,control group. The present data indicate that MBeP produces adverse effects on the development of the reproductive system in male offspring and suggest that MBeP may be responsible for the antiandrogenic effects of BBP. (C) 2003 Elsevier Science Inc. All rights reserved.
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