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Abstract Title:

Bisphenol A in reproduction: epigenetic effects.

Abstract Source:

Curr Med Chem. 2017 Oct 9. Epub 2017 Oct 9. PMID: 28990514

Abstract Author(s):

Rosanna Chianese, Jacopo Troisi, Sean Richards, Marika Scafuro, Silvia Fasano, Maurizio Guida, Riccardo Pierantoni, Rosaria Meccariello

Article Affiliation:

Rosanna Chianese

Abstract:

BACKGROUND: Bisphenol A (BPA) is an endocrine disrupting chemical widely used in the manufacture of polycarbonate plastic and epoxy resin to produce a multitude of consumer products, food and drink containers, and medical devices. BPA is similar to estradiol in structure and thus interferes in steroid signalling with different outcomes on reproductive health depending on doses, life stage, mode, and timing of exposure. In this respect, it has an emerging and controversial role as a"reproductive toxicant" capable of inducing short and long-term effects including the modulation of gene expression through epigenetic modification (i.e. methylation of CpG islands, histone modifications and production of non-coding RNA) with direct and trans-generational effects on exposed organisms and their offspring, respectively.

OBJECTIVE: This review provides an overview about BPA effects on reproductive health and aims to summarize the epigenetic effects of BPA in male and female reproduction.

RESULTS: BPA exerts epigenetic effects in both male and female reproduction. In males, BPA affects spermatogenesis and sperm quality and possible trans-generational effects on the reproductive ability of the offspring. In females, BPA affects ovary, embryo development, and gamete quality for successful in vivo and in vitro fertilization (IVF).

CONCLUSION: The exact mechanisms of BPA - mediated effects in reproduction are not fully understood; however, the environmental exposure to BPA - especially in fetal and neonatal period - deserves attention to preserve the reproductive ability in both sexes and to reduce the epigenetic risk for the offspring.

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