1-methyl-4-phenylpyridinium ion induces endoplasmic reticulum stress through glycogen synthase kinase-3 beta activation in PC12 cells

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摘要 1-methyl-4-phenylpyridiniumion(MPP+)inducesendoplasmicreticulumstressandactivatescaspase-12inPC12cells,leadingtoneuronalapoptosis.However,theunderlyingmolecularmechanismremainsunknown.Thepresentstudyinvestigatedtheregulatoryeffectsofnervegrowthfactor(Aktactivator)andlithiumchloride(glycogensynthasekinase-3βinhibitor)ontheendoplasmicreticulumstresssignalingpathway.TheresultsrevealedthatMPP+inducedexpressionofBipandC/EBPhomologousprotein.TheupregulationofBipandC/EBPhomologousprotein,aswellasthedecreasedpro-caspase-12levelinducedbyMPP+wereinhibitedbypretreatmentofthenervegrowthfactororlithiumchloride.Theseresultssuggestthatthephosphatidylinositol3kinase-Akt-glycogensynthasekinase-3βpathwayisinvolvedinMPP+-inducedendoplasmicreticulumstress.
机构地区 不详
出版日期 2011年11月21日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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