Department of Anesthesiology;
Renmin Hospital of Wuhan University;
Wuhan;
Hubei Province;
China;
Department of Anesthesiology;
Zhongnan Hospital of Wuhan University;
Wuhan;
Hubei Province;
China;
astrocyte; chronic pain; cognitive impairment; exendin-4; hippocampal dentate gyrus; microglia; Morris water maze; neuroinflammation; spinal nerve ligation;