Epigenetic plasticity and the hallmarks of cancer.

Epigenetic plasticity and the hallmarks of cancer.
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DOI:
10.1126/science.aal2380
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发表时间:
2017-07-21
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Bernstein BE
Bernstein BE
中科院分区:
其他
文献类型:
--
作者:
Flavahan WA;Gaskell E;Bernstein BE

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Chromatin and associated epigenetic mechanisms stabilize gene expression and cellular states, while also facilitating appropriate responses to developmental or environmental cues. Genetic, environmental or metabolic insults can induce overly restrictive or overly permissive epigenetic landscapes that contribute to pathogenesis of cancer and other diseases. Restrictive chromatin states may prevent appropriate induction of tumor suppressor programs or block differentiation. By contrast, permissive or ‘plastic’ states may allow stochastic oncogene activation or non-physiologic cell fate transitions. While many stochastic events will be inconsequential ‘passengers’, some will confer fitness and be selected as ‘drivers’. We review the broad roles played by epigenetic aberrations in tumor initiation and evolution, and their potential to give rise to all classic hallmarks of cancer.
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