期刊
TOXICOLOGY LETTERS
卷 259, 期 -, 页码 69-79出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.toxlet.2016.07.019
关键词
DEHP; Dorsal telencephalon; Neocortex; Proliferation; Neurogenesis; Neuronal distribution
类别
资金
- JSPS KAKENHI Grant [JP26460258]
- Ministry of Health, Labour and Welfare of Japan
Di(2-ethylhexyl) phthalate (DEHP) is currently the most commonly used phthalate for the production of flexible polyvinyl chloride. Phthalates including DEHP have been labeled as potential endocrine disruptors. The effect on the development of the neocortex, however, is unknown. To evaluate the neurodevelopmental effects of prenatal DEHP exposure at 1 and 100 mg/kg/day or 100 and 500 mg/kg/day in fetal and newborn mice, we performed a detailed histologic analysis of the developing dorsal telencephalon and neocortex. The observation of fetuses exposed to DEHP revealed reductions of proliferation and neurogenesis (1 and 100 mg/kg) and an increase in cell death (500 mg/kg). In addition, the newborns prenatally exposed to DEHP showed an abnormal neuronal distribution and a decrease in neurons. These findings suggest that prenatal DEHP exposure induces neurodevelopmental toxicity associated with the neural stem cell niche and corticogenesis. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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