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Placenta. 2012 Dec;33(12):959-70. doi: 10.1016/j.placenta.2012.10.003. Epub 2012 Oct 24.

The ever growing complexity of placental epigenetics - role in adverse pregnancy outcomes and fetal programming.

Author information

1
Cancer and Disease Epigenetics, Murdoch Childrens Research Institute, Royal Children's Hospital, Parkville, VIC 3052, Australia. boris.novakovic@mcri.edu.au

Abstract

As the primary interface between maternal and fetal circulations, the placenta is subject to a myriad of environmental exposures with the capacity to alter placental function and fetal development. Many of these effects are likely to be mediated by epigenetic ('above DNA') change, which is also in turn regulated by maternal and fetal genetic factors. Linking specific environmental exposures, genetic, and epigenetic variation to maternal and fetal outcomes may provide valuable mechanistic insights into the role of placental dysfunction in pregnancy-associated disease and later health. The complexities are manifold but are rapidly being overcome by technological advances and emerging analytical approaches. Although focussing on recent genome-scale and gene-specific DNA methylation studies in the human placenta, this review also discusses the potential of a future broader exploration of combined environmental, genetic and epigenomic approaches, encompassing higher order epigenetic modifications, for unravelling the molecular mechanisms underlying gene-environment interaction at the fetomaternal interface.

PMID:
23102655
DOI:
10.1016/j.placenta.2012.10.003
[Indexed for MEDLINE]

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