[Retracted] κ-Opioid Receptor Agonist Ameliorates Postoperative Neurocognitive Disorder by Activating the Ca²⁺/CaMKII/CREB Pathway

Figure 4

The KOR agonist activated the Ca²⁺/CaMKII/CREB pathway in CPB rats. (a) Glu level in hippocampal neurons detected by ELISA. (b) The expression of NMDAR protein detected by western blot. (c) The expression of Ca²⁺ detected by IF. (d) The expression of CaMKII, CREB, and BDNF proteins detected by western blot. ^∗ < 0.05.

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