期刊
CANCER LETTERS
卷 329, 期 2, 页码 228-235出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2012.11.005
关键词
MAP3K10; Sonic Hedgehog pathway; Pancreatic cancer; Chemoresistance
类别
资金
- National Nature Science Foundation of China [81170336, 30972912]
- Postgraduate Innovation Project of Jiangsu Province, China [JX 22013186]
Pancreatic ductal adenocarcinoma (PDAC) is among the most lethal human malignancies and is regulated by Sonic Hedgehog (Shh) signaling. Recently, MAP3K10 has been shown to regulate Shh signaling, suggesting a role for MAP3K10 in the tumorigenesis of PDAC. We determined the expression status of MAP3K10 in PDAC tissues and cell lines, and analyzed the viability and cell proliferation of PDAC cells with an overexpression or knockdown of MAP3K10 in vitro. MAP3K10 was upregulated in PDAC tissues and cell lines. Overexpression of MAP3K10 promoted the proliferation and decreased the gemcitabine sensitivity of pancreatic cancer cells. In contrast, knockdown of MAP3K10 significantly decreased cell proliferation and sensitized cells to gemcitabine. However, neither overexpression nor knockdown of MAP3K10 affected cell migration. Moreover, overexpression of MAP3K10 resulted in upregulation of Gli-1 and Gli-2 in PDAC cells. Our results indicate a novel and important role for MAP3K10 in the proliferation and chemoresistance of PDAC. Our study suggests that targeting MAP3K10 is a potential strategy for the development of alternative therapies for pancreatic cancers. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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