Title : Effects of maternal toluene exposure on testosterone levels in fetal rats.

Pub. Date : 2009 Mar 10

PMID : 19110042






4 Functional Relationships(s)
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1 The mRNA levels of 3beta-hydroxysteroid dehydrogenase (3beta-HSD) were significantly reduced after exposure to 0.9-ppm toluene. Toluene hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 Rattus norvegicus
2 The mRNA levels of 3beta-hydroxysteroid dehydrogenase (3beta-HSD) were significantly reduced after exposure to 0.9-ppm toluene. Toluene hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 Rattus norvegicus
3 In addition, immunohistochemical analysis showed reduced 3beta-HSD-immunoreactive areas in the interstitial region of fetal testes after exposure to 0.9 and 9 ppm, but not 0.09 ppm, toluene. Toluene hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 Rattus norvegicus
4 These findings indicate that toluene reduced the synthesis and secretion of testosterone in fetal testes from rats possibly as a consequence of reduced 3beta-HSD expression. Toluene hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 Rattus norvegicus