AN OVERVIEW OF EPIGENETICS IN CANCER
Himanshu Upadhyay*
ABSTRACT
Epigenetic and genetic changes make contributions to melanoma initiation and development. Epigenetic mechanisms are major for typical development and preservation of tissue-targeted gene expression patterns in mammals. Epigenetic changes are reversible and incorporate key programs of epigenetics mechanism are DNA methylation, chromatin changes, nucleosome positioning, histone modification and variations in noncoding RNA profiles. Cancer has been seen as genetic disease recently in some aspects, and now we are able to say that malignancy is preceded with the aid of epigenetic abnormalities.Epigenetic switching in cancer with more stable DNA methylation results in permanent silencing of key regulatory genes that may contribute to cell proliferation and carcinogenesis.Epigenetic therapy is used to reverse the causal epigenetic aberrations that arise in cancer, leading to the restoration of a normal epigenome.This evaluation study summarizes the mighty gain knowledge of epigenetic mechanism in tumors and suggestions of viable epigenetics therapy.
Keywords: Epigenetics, DNA methylation, Histone modification, MiRNA, Chromatin, Epigenetic therapy.
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