Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 455, Issue 1-2, Pages 3-9Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2014.08.140
Keywords
Cancer; Epigenetics; DNA methylation; Histone modification
Categories
Funding
- Innovative Cancer Medicine and Practice
- [25830094]
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Epigenetics now refers to the study or research field related to DNA methylation and histone modifications. Historically, global DNA hypomethylation was first revealed in 1983, and, after a decade, silencing of a tumor suppressor gene by regional DNA hypermethylation was reported. After the proposal of the histone code in the 2000s, alterations of histone methylation were also identified in cancers. Now, it is established that aberrant epigenetic alterations are involved in cancer development and progression, along with mutations and chromosomal losses. Recent cancer genome analyses have revealed a large number of mutations of epigenetic modifiers, supporting their important roles in cancer pathogenesis. Taking advantage of the reversibility of epigenetic alterations, drugs targeting epigenetic regulators and readers have been developed for restoration of normal pattern of the epigenome, and some have already demonstrated clinical benefits. In addition, DNA methylation of specific marker genes can be used as a biomarker for cancer diagnosis, including risk diagnosis, detection of cancers, and pathophysiological diagnosis. In this paper, we will summarize the major concepts of cancer epigenetics, placing emphasis on history. (C) 2014 Elsevier Inc. All rights reserved.
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