These cells are embedded in a highly hydrated extracellular matrix consisting predominantly ... number of growing tissues including cartilage and bone. Chondrocyte cell fates and metabolic ...

These secrete large amounts of the cartilage extracellular matrix, which contains collagen and proteoglycans. Cartilage has limited repair capacity once damaged.

ST. LOUIS — A newly FDA-approved procedure allows patients to regrow their own knee cartilage using autologous cell implantation. The treatment, known as MACI (Matrix Autologous Chondrocyte ...