Epigenetic Responses to Diet in Aging

Ford, Dianne (2016) Epigenetic Responses to Diet in Aging. In: Molecular Basis of Nutrition and Aging. Elsevier, pp. 213-226. ISBN 978-0-12-801816-3

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Official URL: http://dx.doi.org/10.1016/B978-0-12-801816-3.00016...

Abstract

Some epigenetic features are affected by diet, and epigenetic alteration is a hallmark of aging. The extent to which these epigenetic changes are causative, and thus the potential for influences of diet on these features to slow the aging process, requires critical evaluation. Multiple molecular markers of aging interact with epigenetic alteration, and diet is one component of environmental impact that, along with genotype, is likely to influence how epigenetic alterations refine the aging trajectory. Diet could contribute to healthier aging by reversing or slowing age-related causative epigenetic changes or by promoting a different but protective epigenetic state. The plasticity of the epigenome during early development may afford a particular window of opportunity for dietary intervention in aging, and effects on stem cells are likely to be of particular functional importance. Some of the effects of sirtuins to counteract aging may be via epigenetic actions on polycomb group protein gene targets, which have a role in stem cell integrity. Tissue-independent global epigenetic signatures of aging may provide a biological readout of the efficacy of dietary intervention to counteract effects of aging.

Item Type: Book Section
Uncontrolled Keywords: DNA methylation, histone covalent modification, epigenome, polycomb group protein gene target, sirtuin
Subjects: B400 Nutrition
B900 Others in Subjects allied to Medicine
Department: Faculties > Health and Life Sciences > Applied Sciences
Depositing User: Becky Skoyles
Date Deposited: 03 Dec 2018 11:26
Last Modified: 03 Dec 2018 11:26
URI: http://nrl.northumbria.ac.uk/id/eprint/37021

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