PRACTICAL ONCOLOGY JOURNAL ›› 2018, Vol. 32 ›› Issue (1): 38-41.doi: 10.11904/j.issn.1002-3070.2018.01.007

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Research progress of PERK signaling pathway under endoplasmic reticulum stress in tumor

OUYANG Zhongrui1, CHAI Shuang2, ZHAO Haiqi1, LIU Yaohua1   

  1. 1.Department of Neurosurgery,First Affiliated Hospital of Harbin Medical University,Harbin 150001,China;
    2.Department of Neurosurgery,Zhalantun Traditional Chinese,Inn-Mongolia Medicine Hospital
  • Received:2017-09-19 Online:2018-02-20 Published:2018-03-07

Abstract: During growth,invasion and metastasis,tumor cells undergo endoplasmic reticulum stress(ERS)under hypoxia,hypoglycemia and other environmental stresses.In response to ERS,tumor cells induce unfolded protein response(UPR).PERK signaling pathway as a key pathway to activate UPR can promote survival,proliferation,invasion and protection of tumor cells by increasing tumor tolerance to adverse microenvironment,inducting angiogenesis,inducing autophagosome formation and activating apoptotic signal molecules.Tumor cells are induced apoptotic and autophagic death when UPR reaches a certain extent.

Key words: ERS, UPR, Tumor cells, PERK signaling pathway

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