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标题:CXCR4 promotes GSK3β expression in pancreatic cancer cells via the Akt pathway.
时间:2020-02-15 15:01:08
DOI:10.1007/s10147-014-0740-0
PMID:25145299
作者:Ma, Shijie; Li, Qianjun; Pan, Feng
关键词:CXCR4 receptor;Glycogen synthase kinase 3;Pancreatic cancer;
出版源: 《International Journal of Clinical Oncology》 ,20 (3) :525-530
摘要:CXCR4 and glycogen synthase kinase-3β (GSK3β) promote proliferation and invasion of pancreatic cancer. Inhibition of CXCR4 suppresses GSK3β expression. However, the molecular mechanism by which CXCR4 contributes to human pancreatic cancer metastasis is not completely understood. In this study, therefore, we analyzed the effect of CXCR4 on GSK3β expression and its molecular mechanism. PANC-1 and SW-1990 cells were used in this study. PANC-1 and SW-1990 cell lines which stably expressed upregulated or downregulated CXCR4 were used for further study. Western blotting was employed to detected the expression of CXCR4, GSK3β and MMP-2. Cell invasion assay was used to detect the effect of the Akt pathway on CXCR4-induced GSK3β expression. Overexpression of CXCR4 promoted GSK3β expression and silencing of CXCR4 suppressed GSK3β expression. Overexpression of CXCR4 activated cyclin D1 and p-Akt expression, but inhibited p21 expression. Silencing of CXCR4 had the reverse effect. CXCR4 promoted GSK3β expression and PANC-1 invasion by Akt signaling. CXCR4 upregulated GSK3β expression, at least in part, at the level of transcription. CXCR4 promotes GSK3β expression via the Akt cell signaling pathway in pancreatic cancer cells.
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目录:
  • CXCR4 promotes GSK3 beta expression in pancreatic cancer cells via the Akt pathway
    • Abstract
      • Background
      • Methods
      • Results
      • Conclusions
    • Introduction
    • Materials and methods
      • Reagents
      • Cell culture
      • Construction of GSK3 beta -overexpressing plasmid and miRNA-GSK3 beta expression plasmids and generation of stable clones
      • Western blotting analysis
      • Cell invasion assay
      • Luciferase assay
      • Statistical analyses
    • Results
      • CXCR4 promotes GSK3 beta expression
      • The effect of CXCR4 on the cell signaling molecules p21, cyclin D1 and Akt
      • CXCR4 promotes GSK3 beta expression and PANC-1 invasion by Akt signaling
      • CXCR4 promotes GSK3 beta expression at the level of transcription
    • Discussion
    • Acknowledgments
    • References

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