PDK1 induces JunB, EMT, cell migration and invasion in human gallbladder cancer
Author(s) -
Shixian Lian,
Yebo Shao,
Houbao Liu,
Junyi He,
Weiqi Lu,
Yong Zhang,
Ying Jiang,
Jun Zhu
Publication year - 2015
Publication title -
oncotarget
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.373
H-Index - 127
ISSN - 1949-2553
DOI - 10.18632/oncotarget.4931
Subject(s) - junb , cancer research , epithelial–mesenchymal transition , metastasis , cancer , cell growth , gallbladder cancer , downregulation and upregulation , medicine , cell , biology , transcription factor , gene , biochemistry , genetics
The protein 3-phosphoinositide-dependent protein kinase 1 (PDK1) is upregulated in cancer. Here we showed that PDK1 stimulated cell proliferation, invasion and metastasis in gallbladder cancer (GBC), by inducing JunB and epithelial-mesenchymal transition. JunB levels were increased in GBC samples and positively correlated with PDK1 levels in tumors. High levels of JunB predicted poor overall survival in GBC patients. Thus, PDK1 functions as a tumor promoter in human GBC by upregulating JunB.
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