Christy R Lambright

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Many chemicals released into the environment are capable of disrupting normal sex steroid balance, including the oral contraceptive ethinyl estradiol (EE) and the plastic monomer bisphenol A (BPA). EE and BPA are reported to impair reproductive organ development in laboratory animals; however, effects of lower doses of these chemicals have been debated. The(More)
Exposure to plasticizers di(n-butyl) phthalate (DBP) and diethylhexyl phthalate (DEHP) during sexual differentiation causes male reproductive tract malformations in rats and rabbits. In the fetal male rat, these two phthalate esters decrease testosterone (T) production and insulin-like peptide 3 (insl3) gene expression, a hormone critical for gubernacular(More)
Although is clear that exposure to high dosage levels of some phthalates delays the onset of puberty in the male rat, it has been hypothesized that low levels of di(2-ethylhexyl) phthalate (DEHP) accelerate puberty by enhancing testicular androgen synthesis. The current study was designed to determine if the dose response to DEHP was nonmonotonic, as(More)
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