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J Prev Med Public Health. 2010 Mar;43(2):131-7. doi: 10.3961/jpmph.2010.43.2.131.

Acute testis toxicity of bisphenol A diglycidyl ether in Sprague-Dawley rats.

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1
Department of Preventive Medicine, College of Medicine, Chung-Ang University, Korea.

Abstract

OBJECTIVES:

Bisphenol A diglycidyl ether (BADGE) is a liquid compound obtained by condensation of two molecules of epichlorohydrin with one molecule of bisphenol A. General and reproductive toxicity with BADGE has been reported higher than 1000 mg/kg/day. This study was performed to show the effects of acute exposure to BADGE below 1000 mg/kg/day on the testis in adult male rats.

METHODS:

BADGE was administered by gastric lavage in a single dose of 500, 750, 1000, and 2000 mg/kg/day in 8-week old male SPF Sprague-Dawley rats. The right testis was processed for light microscopic analysis. The left testis was homogenized and spermatids were counted to determine the daily sperm production and daily abnormal sperm production. The sperm count, sperm motility, and incidence of abnormal sperm were estimated in the epididymis. In testicular sections, the seminiferous tubules were observed for qualitative changes. The progression of spermatogenesis was arbitrarily classified as full-matured, maturing, and immature. The specimen slide was observed at 3 points and 10 seminiferous tubules were evaluated at each point.

RESULTS:

The male rats exposed to single oral dose of BADGE at 750, 1000, and 2000 mg/kg/day were significantly increased the number of immature and maturing sperm on the testis. There were no significant differences with respect to sperm head count, sperm motility, and sperm abnormality in the BADGE treatment groups.

CONCLUSIONS:

These results suggest that single oral exposure of BADGE 750 mg/kg/day can affect adult male testis development.

PMID:
20383046
DOI:
10.3961/jpmph.2010.43.2.131
[Indexed for MEDLINE]
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