Bromodomain Protein BRD4 Is Essential for Hair Cell Function and Survival
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Bromodomain Protein BRD4 Is a Transcriptional Repressor of Autophagy and Lysosomal Function
Autophagy is a membrane-trafficking process that directs degradation of cytoplasmic material in lysosomes. The process promotes cellular fidelity, and while the core machinery of autophagy is known, the mechanisms that promote and sustain autophagy are less well defined. Here we report that the epigenetic reader BRD4 and the methyltransferase G9a repress a TFEB/TFE3/MITF-independent transcripti...
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Bromodomain and extraterminal (BET) domain proteins have emerged as promising therapeutic targets in glioblastoma and many other cancers. Small molecule inhibitors of BET bromodomain proteins reduce expression of several oncogenes required for Glioblastoma Multiforme (GBM) progression. However, the mechanism through which BET protein inhibition reduces GBM growth is not completely understood. L...
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Macroautophagy/autophagy is an intracellular recycling system that delivers cytoplasmic organelles and materials to lysosomes for degradation. This process is operated by autophagy-related (ATG) genes and tightly controlled by stress-responsive signaling pathways. Our recent study revealed that autophagy programs are transcriptionally suppressed by the BET family protein BRD4. This repression i...
متن کاملThe bromodomain protein BRD4 regulates splicing during heat shock
The cellular response to heat stress is an ancient and evolutionarily highly conserved defence mechanism characterised by the transcriptional up-regulation of cyto-protective genes and a partial inhibition of splicing. These features closely resemble the proteotoxic stress response during tumor development. The bromodomain protein BRD4 has been identified as an integral member of the oxidative ...
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Scott R. Floyd, Michael E. Pacold, Qiuying Huang, Scott M. Clarke, Fred C. Lam, Ian G. Cannell, Bryan D. Bryson, Jonathan Rameseder, Michael J. Lee, Emily J. Blake, Anna Fydrych, Richard Ho, Benjamin A. Greenberger, Grace C. Chen, Amanda Maffa, Amanda M. Del Rosario, David E. Root, Anne E. Carpenter, William C. Hahn, David M. Sabatini, Clark C. Chen, Forest M. White, James E. Bradner & Michael ...
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ژورنال
عنوان ژورنال: Frontiers in Cell and Developmental Biology
سال: 2020
ISSN: 2296-634X
DOI: 10.3389/fcell.2020.576654