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Ubiquitin-like protein FAT10 promotes bladder cancer progression by stabilizing survivin.

ABSTRACT: Human HLA-F adjacent transcript 10 (FAT10) is a member of the ubiquitin-like-modifier family of proteins, which have been implicated in cancer development. In addition, the Survivin protein promotes proliferation in bladder cancer (BC). In this study, we explored the link between FAT10 and Survivin. FAT10 expression was dramatically up-regulated in BC tissue samples, and Kaplan-Meier survival analysis revealed that BC patients with high FAT10 expression had shorter overall survival than those with low FAT10 expression. Moreover, RNAi-mediated FAT10 knockdown decreased Survivin protein levels and inhibited BC proliferation both in vitro and in vivo. FAT10 directly bound to and stabilized Survivin protein, thereby promoting cancer cell proliferation by inhibiting ubiquitin-mediated degradation. These results reveal a novel mechanism by which FAT10 promotes tumor proliferation by directly stabilizing Survivin protein in BC.

SUBMITTER: Dong D

PROVIDER: S-EPMC5348406 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Ubiquitin-like protein FAT10 promotes bladder cancer progression by stabilizing survivin.

Dong Dingxiang D Jiang Weifan W Lei Jun J Chen Leifeng L Liu Xiuxia X Ge Jin J Che Ben B Xi Xiaoqing X Shao Jianghua J

Oncotarget 20161201 49

Human HLA-F adjacent transcript 10 (FAT10) is a member of the ubiquitin-like-modifier family of proteins, which have been implicated in cancer development. In addition, the Survivin protein promotes proliferation in bladder cancer (BC). In this study, we explored the link between FAT10 and Survivin. FAT10 expression was dramatically up-regulated in BC tissue samples, and Kaplan-Meier survival analysis revealed that BC patients with high FAT10 expression had shorter overall survival than those wi ...[more]

PMID: 27806337

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