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Lgr4 Promotes Glioma Cell Proliferation through Activation of Wnt Signaling

  • Yu, Chun-Yong (Department of Neurosurgery, Shengjing Hospital, China Medical University) ;
  • Liang, Guo-Biao (Department of Neurosurgery, Shengyang Northern Hospital) ;
  • Du, Peng (Department of Neurosurgery, Shengjing Hospital, China Medical University) ;
  • Liu, Yun-Hui (Department of Neurosurgery, Shengjing Hospital, China Medical University)
  • Published : 2013.08.30

Abstract

The key signaling networks regulating glioma cell proliferation remain poorly defined. The leucine-rich repeat containing G-protein coupled receptor 4 (Lgr4) has been implicated in intestinal, gastric, and epidermal cell functions. We investigated whether Lgr4 functions in glioma cells and found that Lgr4 expression was significantly increased in glioma tissues. In addition, Lgr4 overexpression promoted while its knockdown using small interfering RNA oligos inhibited glioma cell proliferation. In addition, Wnt/${\beta}$-catenin signaling was activated in cells overexpressing Lgr4. Therefore, our results revealed that Lgr4 activates Wnt/${\beta}$-catenin signaling to regulate glioma cell proliferation.

Keywords

References

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