Journal
CANCER LETTERS
Volume 336, Issue 2, Pages 247-252Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2013.03.022
Keywords
Epigenetics; Chromatin; Histone variants; MacroH2A; Tumor suppressor
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Funding
- Spanish MINECO [SAF2012-39749, RYC2010-07337]
- FPI
- Juan de la Cierva fellowship
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Epigenetic regulation is one of the most promising and expanding areas of cancer research. One of the emerging, but least understood aspects of epigenetics is the facultative and locus-specific incorporation of histone variants and their function in chromatin. With the characterization of the first loss of function phenotypes of the macroH2A histone variants, previously unrecognized epigenetic mechanisms have now moved into the spotlight of cancer research. Here, we summarize data supporting different molecular mechanisms that could mediate the primarily tumor suppressive function of macroH2A. We further discuss context-dependent and isoform-specific functions. The aim of this review is to provide guidance for those assessing macroH2A's potential as biomarker or therapeutic intervention point. (C) 2013 Elsevier Ireland Ltd. All rights reserved.
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