Endocrine-disrupting activity in carbendazim-induced reproductive and developmental toxicity in rats

Journal of Toxicology and Environmental Health. Part a
Shui-Yuan LuTzuu-Huei Ueng

Abstract

This study was designed to investigate the endocrine-disrupting activity of carbendazim-induced reproductive and developmental toxicity in Sprague-Dawley rats treated orally with the fungicide. Cotreatment of male rats with 675 mg/kg carbendazim and 50 or 100 mg/kg flutamide, an androgen receptor antagonist, once daily for 28 d blocked decrease of testis weight induced by treatment with carbendazim alone. The cotreatment prevented losses of spermatozoa and cell morphology and decrease of sperm concentration induced by carbendazim. Premating treatment of male and female rats with 200 mg/kg carbendazim for 28 d produced androgenic effects including incomplete development of uterine horn, enlargement of uretha, absence of vagina, and induction of seminal vesicles in female offspring, without marked effects in male offspring. Premating treatment with 100mg/kg benomyl, the parent compound of carbendazim, resulted in incomplete development of uterine horn and absence of vagina in female offspring and produced testis and epidydimis atropy in male offspring. Treatment of male rats with 25, 50, 100, 200, 400, and 800 mg/kg carbendazim for 56 d produced dose-dependent increases of androgen receptor concentrations in testis and epididymis...Continue Reading

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Citations

May 28, 2013·Archives of Toxicology·Wiebke PrutnerPablo Steinberg
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