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Revista Ciencias de la Salud
versão impressa ISSN 1692-7273versão On-line ISSN 2145-4507
Resumo
GARCIA ROBLES, Reggie; AYALA RAMIREZ, Paola Andrea e PERDOMO VELASQUEZ B., Sandra Paola. Epigenetics: definition, molecular bases and implications in human health and evolution. Rev. Cienc. Salud [online]. 2012, vol.10, n.1, pp.59-71. ISSN 1692-7273.
Epigenetics refers to inheritable changes in DNA and histones that do not involve changes in the sequence of nucleotides and that modifies structure and chromatin condensation, thus affecting gene expression and phenotype. Epigenetic modifications are DNA methylation and histone modifications. Objective: A review of the literature on the concept of Epigenetics and its impact on health. Materials and methods: A review of the literature was performed on the concept of epigenetics, its biological basis, the impact on health and disease and its relation to evolution. Results: Epigenetic mechanisms have become increasingly important because of the growing association with common complex diseases as well as its impact on health of future generations and in human evolution. Conclusions: Epigenetics has a clear impact on the health of individuals in their offspring and with the evolution of the human species.
Palavras-chave : epigenetic processes; DNA methylation; histone; biological evolution.