Objective To investigate the effects of minocycline in promoting the survival of pheochromocytoma(PC12) cells exposed to oxygen glucose deprivation(OGD) and explore the underlying mechanisms. Methods An in vitro cell model of cerebral ischemia was established by OGD for 6 h in PC12 cells with pretreatment with minocycline or an ERK1/2 inhibitor. At24 h after OGD injury, the cells were evaluated for cell viability by MTT assay and expressions of heme oxygenase- 1(HO- 1)and phospholylated extracellular signal...