[1]School of Public Health Nanjing Medical University Nanjing Jiangsu 211166 China;
[2]Department of Pathology University of California Davis Health Sacramento CA 95817 USA;
[3]Department of Anesthesiology the First Affiliated Hospital ofSoochow University Suzhou Jiangsu 215006 China;
[4]Department of Anesthesiology and Pain Medicine University of California Davis Health Sacramento CA 95817 USA.;
aging; inflammatory; apoptosis; anesthesia preconditioning;