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. 2019 Nov 30;23(Suppl 2):S93–101. doi: 10.5213/inj.1938218.109

Fig. 4.

Fig. 4.

Phosphorylated cyclic adenosine-3,5′-monophosphate (cAMP) response element-binding protein (p-CREB)/CREB ratio and cAMP expression under conditions of postoperative cognitive dysfunction (POCD) in human neuronal SH-SY5Y cells. Left panel: The relative expression of p-CREB and CREB determined by western blotting. Right panel: cAMP expression determined using enzyme-linked immunoassay. A, control group; B, POCD-induced group; C, POCD-induced and 4-μg/mL PDRN-treated group; D, POCD-induced and 8-μg/mL PDRN-treated group; E, POCD-induced and 16-μg/mL PDRN-treated group. *P<0.05 compared to the control group. #P<0.05 compared to the POCD-induced group.