International Journal of Medical Sciences

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26 April 2018

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Int J Med Sci 2018; 15(6):645-652. doi:10.7150/ijms.23460

Research Paper

Verteporfin inhibits YAP-induced bladder cancer cell growth and invasion via Hippo signaling pathway

Liang Dong1,2,#,✉, Fan Lin 1,3,#, Wanjun Wu1, Yuchen Liu1, Weiren Huang1,✉

1. State Engineering Laboratory of Medical Key Technologies Application of Synthetic Biology, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Health Science Center of Shenzhen University, Shenzhen 518039, PR China;
2. Department of Biomedical Sciences, City University of Hong Kong, Hong Kong;
3. Guangdong Provincial Key Laboratory of Marine Biotechnology, Shantou University, Shantou 515063, PR China.
#These authors contributed equally to this work

Abstract

The highly conserved Hippo signaling pathway is one of the most important pathways involved in tumorigenesis and progress. Previous studies show that YAP, the transcriptional coactivator of Hippo pathway, is expressed highly in many clinical bladder cancer tissues and plays crucial role on bladder cancer progress. To find the YAP-specific target drug and its molecular mechanism in bladder cancer, we apply Verteporfin (VP), a YAP specific inhibitor to function as anti-bladder cancer drug and discover that VP is able to inhibit bladder cancer cell growth and invasion in a dosage dependent manner. Moreover, we demonstrate that VP may inhibit bladder cancer cell growth and invasion via repressing target genes' expression of the Hippo signaling pathway. In further study, we provide evidence that VP is able to inhibit excessive YAP induced bladder cancer cell growth and invasion. To address the repressive function of VP against YAP in bladder cancer, we check the target genes' expression and find VP can dramatically repress YAP overexpression induced Hippo pathway target genes' expression. Taken together, we discover that VP inhibits YAP-induced bladder cancer cell growth and invasion via repressing the target genes' expression of Hippo signaling pathway.

Keywords: Verteporfin, YAP, bladder cancer, cell growth and invasion

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How to cite this article:
Dong L, Lin F, Wu W, Liu Y, Huang W. Verteporfin inhibits YAP-induced bladder cancer cell growth and invasion via Hippo signaling pathway. Int J Med Sci 2018; 15(6):645-652. doi:10.7150/ijms.23460. Available from http://www.medsci.org/v15p0645.htm