BPA and Metabolic Syndrome

A recent study was just published revealing that there is no significant link between mice being exposed to BPA in the fetal and prenatal stage, and development of obesity as adults.

ABSTRACT:
Bisphenol-A (BPA) is an endocrine-disrupting chemical used in the production of plastic food and beverage containers, leading to ubiquitous low-dose human exposure. It has been suggested that exposure to even low doses of BPA during development may be associated with increased susceptibility to obesity and diabetes later in life. Despite growing public concern, the existing empirical data are equivocal, prompting The Endocrine Society, the National Institute of Environmental Health Sciences, and others to call for further research. In this study, we tested the hypothesis that perinatal exposure to an ecologically relevant dose of BPA (1 part per billion via the diet) results in increased susceptibility to high-fat diet-induced obesity and glucose intolerance in adult CD-1 mice. The data did not support this hypothesis. In agreement with previous reports, we find that weanling mice exposed to BPA during gestation and lactation are heavier compared with control mice. We also find that BPA mice are longer than controls at 4 wk of age, but these differences are no longer apparent when the mice reach adulthood, even when tested on a high-fat diet. We conclude that this larger size-for-age represents a faster rate of growth early in development rather than an obese, diabetic phenotype in adulthood.


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