Research Papers:
Verteporfin inhibits gastric cancer cell growth by suppressing adhesion molecule FAT1
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Abstract
Myoung-Hee Kang1,2, Gi Seok Jeong3, Duane T. Smoot4, Hassan Ashktorab5, Chang Mo Hwang3, Byung Sik Kim6, Hee Sung Kim6 and Yun-Yong Park1,2
1Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
2Department of Convergence Medicine, University of Ulsan College of Medicine, Seoul, Republic of Korea
3Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
4Department of Internal Medicine, Meharry Medical College, Nashville, TN, USA
5Department of Medicine and Cancer Center, Howard University, Washington, DC, USA
6Department of Gastric Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
Correspondence to:
Hee Sung Kim, email: [email protected]
Yun-Yong Park, email: [email protected]
Keywords: verteporfin, gastric cancer, FAT1, metastasis
Received: July 12, 2017 Accepted: September 23, 2017 Published: October 19, 2017
ABSTRACT
Gastric cancer (GC) is a leading cause of death worldwide and in urgent need of targeted drug development. In the current, we investigated the ability of a repositioned drug verteporfin (VP), originally a treatment for macular degeneration, to inhibit GC cell growth. VP inhibited growth of various GC cell lines. Gene expression profiling of GC cell lines treated with VP revealed that migration-related genes and those with oncogenic potential were down-regulated. Of these genes, we found that FAT1, an adhesion molecule promoting cell invasion, was highly suppressed by VP. Silencing of FAT1 suppressed cell migration and invasion as VP did. FAT1 expression was up-regulated in tumors, and patients with high FAT1-expressing tumors had a worse prognosis. We propose that VP- targeting FAT1 to suppress metastatic potential is a promising therapeutic strategy against GC.
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