RCSB PDB - 2MJV: Solution structures of second bromodomain of Brd4 with di-acetylated Twist peptide (original) (raw)
Disrupting the Interaction of BRD4 with Diacetylated Twist Suppresses Tumorigenesis in Basal-like Breast Cancer.
[Shi, J.](/search?q=citation.rcsb%5Fauthors:Shi, J.), [Wang, Y.](/search?q=citation.rcsb%5Fauthors:Wang, Y.), [Zeng, L.](/search?q=citation.rcsb%5Fauthors:Zeng, L.), [Wu, Y.](/search?q=citation.rcsb%5Fauthors:Wu, Y.), [Deng, J.](/search?q=citation.rcsb%5Fauthors:Deng, J.), [Zhang, Q.](/search?q=citation.rcsb%5Fauthors:Zhang, Q.), [Lin, Y.](/search?q=citation.rcsb%5Fauthors:Lin, Y.), [Li, J.](/search?q=citation.rcsb%5Fauthors:Li, J.), [Kang, T.](/search?q=citation.rcsb%5Fauthors:Kang, T.), [Tao, M.](/search?q=citation.rcsb%5Fauthors:Tao, M.), [Rusinova, E.](/search?q=citation.rcsb%5Fauthors:Rusinova, E.), [Zhang, G.](/search?q=citation.rcsb%5Fauthors:Zhang, G.), [Wang, C.](/search?q=citation.rcsb%5Fauthors:Wang, C.), [Zhu, H.](/search?q=citation.rcsb%5Fauthors:Zhu, H.), [Yao, J.](/search?q=citation.rcsb%5Fauthors:Yao, J.), [Zeng, Y.X.](/search?q=citation.rcsb%5Fauthors:Zeng, Y.X.), [Evers, B.M.](/search?q=citation.rcsb%5Fauthors:Evers, B.M.), [Zhou, M.M.](/search?q=citation.rcsb%5Fauthors:Zhou, M.M.), [Zhou, B.P.](/search?q=citation.rcsb%5Fauthors:Zhou, B.P.)
(2014) Cancer Cell 25: 210-225
PubMed Abstract:
Twist is a key transcription activator of epithelial-mesenchymal transition (EMT). It remains unclear how Twist induces gene expression. Here we report a mechanism by which Twist recruits BRD4 to direct WNT5A expression in basal-like breast cancer (BLBC). Twist contains a "histone H4-mimic" GK-X-GK motif that is diacetylated by Tip60. The diacetylated Twist binds the second bromodomain of BRD4, whose first bromodomain interacts with acetylated H4, thereby constructing an activated Twist/BRD4/P-TEFb/RNA-Pol II complex at the WNT5A promoter and enhancer. Pharmacologic inhibition of the Twist-BRD4 association reduced WNT5A expression and suppressed invasion, cancer stem cell (CSC)-like properties, and tumorigenicity of BLBC cells. Our study indicates that the interaction with BRD4 is critical for the oncogenic function of Twist in BLBC.
Organizational Affiliation:
Department of Molecular and Cellular Biochemistry, College of Medicine, University of Kentucky, Lexington, KY 40506, USA; Markey Cancer Center, College of Medicine, University of Kentucky, Lexington, KY 40506, USA.