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KMID : 0620920200520050002
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Experimental & Molecular Medicine
2020 Volume.52 No. 5 p.2 ~ p.2
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Oncogenic super-enhancer formation in tumorigenesis and its molecular mechanisms
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Jia Qunying
Chen Shuhua
Tan Yuan
Li Yuejin
Tang Faqing
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Abstract
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Super-enhancers (SEs) consist of a cluster of many enhancers bound to a great number of transcription factors. They are critical cis-regulatory elements that determine the identity of various human cell types. During tumorigenesis, DNA mutations and indels, chromosomal rearrangements, three-dimensional chromatin structural changes, and viral infections mediate oncogenic SE activation, and activated SEs have been found to regulate the expression of oncogenic genes. Inhibition specifically targeted to oncogenic SE assembly and activation provides a novel powerful therapeutic strategy for various cancers. In this paper, we first introduce the current understanding of oncogenic SE assembly and activation and then summarize the pathogenic factors and mechanism of oncogenic SE activation. Next, we elaborate on the oncogenic functions of SEs in cancers and the application of SEs as therapeutic targets. Finally, we turn our focus to the use of SEs in basic research and clinical trials.
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KEYWORD
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Oncogenes, Oncogenesis
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