TAF Family Proteins and MEF2C Are Essential for Epstein-Barr Virus Super-Enhancer Activity
Author(s) -
Chong Wang,
Sizun Jiang,
Luyao Zhang,
Difei Li,
Jun Liang,
Yohei Narita,
Isabella Hou,
Qian Zhong,
Benjamin E. Gewurz,
Mingxiang Teng,
Bo Zhao
Publication year - 2019
Publication title -
journal of virology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.617
H-Index - 292
eISSN - 1070-6321
pISSN - 0022-538X
DOI - 10.1128/jvi.00513-19
Subject(s) - biology , enhancer , mef2c , genetics , epstein–barr virus , virology , virus , computational biology , transcription factor , gene
SEs play critical roles in cancer development. Since SEs assemble much bigger protein complexes on enhancers than typical enhancers (TEs), they are more sensitive than TEs to perturbations. Understanding the protein composition of SEs that are linked to key oncogenes may identify novel therapeutic targets. A genome-wide CRISPR screen specifically identified proteins essential for MYC ESE activity but not simian virus 40 (SV40) enhancer. These proteins not only were essential for the reporter activity but also were also important for MYC expression and LCL growth. Targeting these proteins may lead to new therapies for EBV-associated cancers.
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