Fig. 4

Nicorandil depresses OGD-induced endoplasmic reticulum stress. a Represented immunoblots of GRP78, CHOP, and Caspase-12. Immunoblotting analyses of GRP78 (b), CHOP (c), and Caspase-12 (d) in astrocytes. Data are represented as means ± S.E.M. from four independent experiments. *P < 0.05, **P < 0.01 vs. control group; ^## P < 0.01 vs. OGD group