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Overexpression of CEP72 Promotes Bladder Urothelial Carcinoma Cell Aggressiveness via Epigenetic CREB-Mediated Induction of SERPINE1. | LitMetric

Overexpression of CEP72 Promotes Bladder Urothelial Carcinoma Cell Aggressiveness via Epigenetic CREB-Mediated Induction of SERPINE1.

Am J Pathol

State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, Republic of China; Department of Urology, Sun Yat-sen University Cancer Center, Guangzhou, Republic of China. Electronic address:

Published: June 2019

AI Article Synopsis

Article Abstract

A vital constituent of the centrosome involved in regulating the activity of the organelle during the cell cycle is centrosomal protein (CEP)-72, whose function in the case of human cancer yet lacks clarity. The expression dynamics of CEP72 and its clinical impact were examined in a large cohort of bladder tissues. Several experiments at both the in vitro and in vivo levels on urothelial carcinoma of the bladder (UCB) cells were conducted to understand the role of this molecule along with the mechanisms. Overexpression of CEP72 in UCB was linked with the acquisition of an aggressive phenotype, which was associated with poor prognosis. In UCB cell lines, knockdown of CEP72 using shRNA was sufficient to inhibit cell invasiveness/metastasis, whereas ectopic overexpression of CEP72 promoted cell invasiveness and/or metastasis both in vitro and in vivo. CEP72 was demonstrated to induce UCB cell aggressiveness via up-regulation of an important target downstream, the serpin family member 1 gene (SERPINE1) (alias plasminogen activator inhibitor, PAI1), ultimately leading to increased cancer cell invasiveness. Particularly, overexpression of CEP72 was associated with a sizable increase in cAMP response element-binding protein binding at the SERPINE1 promoter, leading to increased SERPINE1 transcription. Such observations are suggestive of the potential use of CEP72 as a therapeutic tool for UCB.

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Source
http://dx.doi.org/10.1016/j.ajpath.2019.02.014DOI Listing

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