Articular Cartilage Stem Cells: Chondroprogenitor Cells Explained

The stem cells of articular cartilage are called 'chondroprogenitor cells'. These are a type of mesenchymal stem cell that can differentiate into chondrocytes, the cells responsible for producing and maintaining the extracellular matrix of cartilage. Chondroprogenitor cells are located in the superficial layer of articular cartilage and can proliferate and differentiate in response to injury or damage to the cartilage. In addition, there are also stem cells located in the synovial membrane surrounding the joint that can migrate into the articular cartilage and contribute to its repair and maintenance.