Actin like-6A promotes glioma progression through stabilization of transcriptional regulators YAP/TAZ.

Cell death & disease 2018 May 01

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Increased Actin-like 6A (ACTL6A) expression has been implicated in the development of diverse cancers and recently associated with the Hippo signaling pathway, which is known to regulate biological properties, including proliferation, tissue regeneration, stem cell biology, as well as tumorigenesis. Here we first show that ACTL6A is upregulated in human gliomas and its expression is associated with glioma patient survival. ACTL6A promotes malignant behaviors of glioma cells in vitro and in orthotopic xenograft model. In co-immunoprecipitation assays, we discover that ACTL6A physically associated with YAP/TAZ and furthermore disrupts the interaction between YAP and β-TrCP E3 ubiquitin ligase, which promotes YAP protein degradation. Moreover, effects of ACTL6A on glioma cells proliferation, migration, and invasion could be mediated by YAP/TAZ. These data indicate that ACTL6A may contribute to cancer progression by stabilizing YAP/TAZ and therefore provide a novel therapeutic target for the treatment of human gliomas.

Citation

Jianxiong Ji, Ran Xu, Xin Zhang, Mingzhi Han, Yangyang Xu, Yuzhen Wei, Kaikai Ding, Shuai Wang, Bin Huang, Anjing Chen, Di Zhang, Zheng Jiang, Shuo Xu, Qing Zhang, Wenjie Li, Shilei Ni, Jian Wang, Xingang Li. Actin like-6A promotes glioma progression through stabilization of transcriptional regulators YAP/TAZ. Cell death & disease. 2018 May 01;9(5):517