Article
[Role of the critical period in sex and brain differentiation: learning from dioxin-induced disorders in next generations].
Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan - 1 Jan 2014
Yamada Hideyuki, Takeda Tomoki, Koga Takayuki, Ishii Yuji
Abstract excerpt
The sexual differentiation of animal fetuses and infants needs stimuli by sex steroids, which are produced in their own gonads, during a short window ('critical period') of pre- and post-natal periods. Our laboratory has conducted a series of studies focusing on the damage to next generations by dioxins. When pregnant rats are exposed to a prototype of dioxin, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; 1 μg/kg),...
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