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Abstract
DNA methylation is implicated in tissue-specific gene expression and genomic imprinting. It is modulated by environmental factors, especially nutrition. Modified DNA methylation patterns may contribute to health problems and susceptibility to complex diseases. Current advances have suggested that the metabolic syndrome (MS) is a programmable disease, which is characterized by epigenetic modifications of vital genes when exposed to oxidative stress. Therefore, the main objective of this paper is to critically review the central context of MS while presenting the most recent knowledge related to epigenetic alterations that are promoted by oxidative stress. Potential pro-oxidant mechanisms that orchestrate changes in methylation profiling and are related to obesity, diabetes and hypertension are discussed. It is anticipated that the identification and understanding of the role of DNA methylation marks could be used to uncover early predictors and define drugs or diet-related treatments able to delay or reverse epigenetic changes, thereby combating MS burden.
Financial & competing interests disclosure
This study was supported by the JA DeSève Research Chair in Nutrition. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.