[Methods] The needed MSCs,elastic chondrocytes and hyaline cartilage tissues were acquired through segregation,and the general RNA was extracted from the cells and tissue lumps.

Study on the degradation of CPP/PLLA composites of scaffolds for cartilage tissue engineering;

Preparation of and study on the CPP/PLLA composites of scaffolds for cartilage tissue engineering;

Isolation and purification of chondroitin sulfate from porcine cartilage;