Resumo

JUVENAL, GJ. Epigenetic: an Old Word, New Concepts. Rev. argent. endocrinol. metab. [online]. 2014, vol.51, n.2, pp.66-74. ISSN 1851-3034.

Epigenetics is defined as changes in gene expression that are not caused by changes in the DNA sequence. It involves a number of mechanisms such as: DNA methylation, DNA packaging through post-translational modifications of histones and microRNAs. The factors that regulate these mechanisms are very diverse, including diet, environment, habits, stress, behavior, etc. Rev Argent Endocrinol Metab 51:66-74, 2014 No financial conflicts of interest exist.

Palavras-chave : Epigenetic; DNA methylation; DNA packaging; MicroRNAs.

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