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  • Title: Bisphenol A induces hypothalamic down-regulation of the the cannabinoid receptor 1 and anorexigenic effects in male mice.
    Author: Suglia A, Chianese R, Migliaccio M, Ambrosino C, Fasano S, Pierantoni R, Cobellis G, Chioccarelli T.
    Journal: Pharmacol Res; 2016 Nov; 113(Pt A):376-383. PubMed ID: 27641926.
    Abstract:
    Bisphenol A is an environment-polluting industrial chemical able to interfere with the endocrine system. An obesogenic effect in perinatally exposed rodents has been described as estrogenic activity. We exposed male mice to Bisphenol A during fetal-perinatal period (from 10 days post coitum to 31 days post partum) and investigated the effects of this early-life exposure at 78 days of age. Body weight, food intake, fat mass, and hypothalamic signals related to anorexigenic control of food intake were analyzed. Results show that Bisphenol A exposure reduced body weight and food intake. In addition, the exposure decreased epididymal fat mass and adiposity, acting negatively on adipocyte volume. At hypothalamic level, Bisphenol A exposure reduced the expression of the cannabinoid receptor 1 and induced gene expression of cocaine and amphetamine-regulated transcript-1. This observation suggests that Bisphenol A induces activation of anorexigenic signals via down-regulation of the hypothalamic cannabinoid receptor 1 with negative impact on food intake.
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