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Epigenetic changes in early life and future risk of obesity

Record type: Article

The rapid increase in incidence of obesity over the past two decades cannot be explained solely by genetic and adult lifestyle factors. There is now considerable evidence that the fetal and early postnatal environments also strongly influence the risk of developing obesity in later life. Initially, human studies showed that low birth weight was associated with an increased risk of obesity but increasingly there is evidence that overnutrition in the early life can also increase susceptibility to future obesity. These findings have now been replicated in animal models, which have shown that both maternal under- and overnutrition can induce persistent changes in gene expression and metabolism. The mechanism by which the maternal nutritional environment induces such changes is beginning to be understood and involves the altered epigenetic regulation of specific genes. In this review, we discuss the recent evidence that shows that early-life environment can induce altered epigenetic regulation leading to the induction of an altered phenotype. The demonstration of a role for altered epigenetic regulation of genes in the developmental induction of obesity opens the possibility that interventions, either through nutrition or specific drugs, may modify long-term obesity risk and combat this rapid rise in obesity.

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Citation

Lillycrop, Karen A. and Burdge, Graham C. (2010) Epigenetic changes in early life and future risk of obesity International Journal of Obesity (doi:10.1038/ijo.2010.122).

More information

Accepted/In Press date: June 2010

Identifiers

Local EPrints ID: 159753
URI: http://eprints.soton.ac.uk/id/eprint/159753
ISSN: 0307-0565
PURE UUID: fa994d2a-d660-4f3c-a541-72fa3fcdb2a1
ORCID for Karen A. Lillycrop: ORCID iD orcid.org/0000-0001-7350-5489
ORCID for Graham C. Burdge: ORCID iD orcid.org/0000-0002-7665-2967

Catalogue record

Date deposited: 07 Jul 2010 11:54
Last modified: 18 Jul 2017 12:36

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