Fig. 4

Sirt1 and unfolded protein response-related proteins IRE1α, PERK, XBP1, CHOP, GRP78, and NF-κB in the hippocampus (a, b) Western blot results and (c, d) relative protein expression levels at 7 days postoperatively. All values were expressed as fold changes over the mean values of control and were presented as mean ± SD (n = 4). *P < 0.05. Con, control; Res, resveratrol; Sirt1, sirtuin 1; Sur, surgery