Expression of NF-κB, Bcl-2, Bax and caspase in each group. Representative western blotting images are presented. Lanes: a, Sham; b, sham + NaHS; c, sham + LY; d, CLP; e, CLP + NaHS; f, CLP + LY; g, CLP + NaHS + LY. Quantified data are expressed as the mean ± standard error. *P
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