Department of Orthopedics;
Xinqiao Hospital;
Army Military Medical University;
Chongqing 400037;
China;
Center of Traumatic Orthopedics;
People's Liberation Army 990 Hospital;
Xinyang 46400;
Henan Province;
China;
Exosomes; Intervertebral disc degeneration; Stem cells; MicroRNA; Regenerative medicine; Biological characteristic;