title: Epigenetic contributions to hormonally-mediated sexual differentiation of the brain.
abstract: It has been long established that hormones exert enduring influences on the developing brain that direct the reproductive response in adulthood, although the cellular mechanisms by which organisational effects are maintained have not been determined satisfactorily. Recent interest in epigenetic modifications to the nervous system has highlighted the potential for hormone-induced changes to the genome that could endure for the lifespan but not be transmitted to the next generation. Preliminary evidence suggests that this is indeed possible because sex differences in the histone code and in the methylation of CpGs in the promoters of specific genes have been identified and, at times, functionally correlated with behaviour. The present review provides an overview of epigenetic processes and discusses the current state-of-the-art, and also identifies future directions.
authors.affiliation: Department of Pharmacology, School of Medicine, University of Maryland, Baltimore, MD, USA.
authors.forename: M M
authors.initials: MM
authors.lastname: McCarthy
authors.forename: B M
authors.initials: BM
authors.lastname: Nugent
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism / Q000502:physiology*; D044127:Epigenesis, Genetic / Q000235:genetics / Q000502:physiology*; D012739:Gonadal Steroid Hormones / Q000235:genetics / Q000502:physiology*; D006801:Humans; D043762:Reproductive Behavior / Q000502:physiology*; D012733:Sex Differentiation / Q000235:genetics / Q000502:physiology*; D012726:Sexual Behavior, Animal / Q000502:physiology*
chemical_list: D012739:Gonadal Steroid Hormones
keywords: development; hypothalamus; oestrogens; preoptic area; sex differences; steroids: neuroactive steroids
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