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- Title
Anti-Metastatic Effect of Pyruvate Dehydrogenase Kinase 4 Inhibition in Bladder Cancer via the ERK, SRC, and JNK Pathways.
- Authors
Lee, Eun Hye; Chung, Jae-Wook; Sung, Eunji; Yoon, Bo Hyun; Jeon, Minji; Park, Song; Chun, So Young; Lee, Jun Nyung; Kim, Bum Soo; Kim, Hyun Tae; Kim, Tae Hwan; Choi, Seock Hwan; Yoo, Eun Sang; Kwon, Tae Gyun; Kang, Ho Won; Kim, Wun-Jae; Yun, Seok Joong; Lee, Sangkyu; Ha, Yun-Sok
- Abstract
Bladder cancer is a common global cancer with a high percentage of metastases and high mortality rate. Thus, it is necessary to identify new biomarkers that can be helpful in diagnosis. Pyruvate dehydrogenase kinase 4 (PDK4) belongs to the PDK family and plays an important role in glucose utilization in living organisms. In the present study, we evaluated the role of PDK4 in bladder cancer and its related protein changes. First, we observed elevated PDK4 expression in high-grade bladder cancers. To screen for changes in PDK4-related proteins in bladder cancer, we performed a comparative proteomic analysis using PDK4 knockdown cells. In bladder cancer cell lines, PDK4 silencing resulted in a lower rate of cell migration and invasion. In addition, a PDK4 knockdown xenograft model showed reduced bladder cancer growth in nude mice. Based on our results, PDK4 plays a critical role in the metastasis and growth of bladder cancer cells through changes in ERK, SRC, and JNK.
- Subjects
PYRUVATE dehydrogenase kinase; BLADDER cancer; CANCER cell growth; TUMOR growth; BALLAST water
- Publication
International Journal of Molecular Sciences, 2022, Vol 23, Issue 21, p13240
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms232113240