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Causes and consequences of obesity: epigenetics or hypokinesis?

Authors Graham M, Baker J, Davies B

Received 11 February 2015

Accepted for publication 11 February 2015

Published 16 September 2015 Volume 2015:8 Pages 455—460


Checked for plagiarism Yes

Editor who approved publication: Professor Ming-Hui Zou

Michael R Graham,1 Julien S Baker,2 Bruce Davies3

1Llantarnam Research Academy, Cwmbran, Torfaen, UK; 2Exercise Science Research Laboratory, Institute of Clinical Exercise and Health Science, School of Science, University of the West of Scotland, Hamilton, UK; 3Science Department, University of South Wales, Newport, UK

Epigenetics can be defined as the study of heritable changes that affect gene function without modification of the deoxyribonucleic acid (DNA) sequence.1 The transfer of epigenetic marks through generations is not well understood, and their transmission is in dispute.2 Epigenetic marks are tissue-specific and include DNA methylation and histone modifications that mediate biological processes, such as imprinting (Figure 1). Many imprinted genes are regulators of gene expression controlling growth. Imprinting disorders often feature obesity as one of their characteristics.3

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