Department of Orthopaedics;
The First Affiliated Hospital of Soochow University;
Soochow University;
Suzhou 215006;
China;
Orthopaedic Institute;
Medical College;
Soochow University;
Suzhou 215007;
China;
Department of Pathology;
The Third Affiliated Hospital of Soochow University;
Changzhou 213003;
China;
Cartilage injury; Silk fibroin; Gelatin methacrylate; Melatonin; Mitochondri;