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Marrow-nucleated cells are used every day in regenerative orthopedics. The knee microfracture surgery technique relies on the release of these cells into a cartilage lesion to initiate fibrocartilage repair in osteochondral defects. [13] In addition, this cell population has also been shown to assist in the repair of non-union fractures. [14]
Because mesenchymal stem cells may regenerate cartilage, cartilage growth in human knees using autologous cultured mesenchymal stem cells is under research and preliminary clinical use, and appears to be safe as of 2016. [11] An advantage to this approach is that a person's own stem cells are used, avoiding tissue rejection by the immune system ...
Arthroscopic lavage is a "cleaning up" procedure of the knee joint. This short-term solution is not considered as an articular cartilage repair procedure but rather a palliative treatment to reduce pain, mechanical restriction and inflammation. Lavage focuses on removing degenerative articular cartilage flaps and fibrous tissue.
Spheroids of human autologous matrix-associated chondrocytes, sold under the brand name Spherox, is a medication used to repair defects to the cartilage in the knee in adults who are experiencing knee pain and problems moving the knee. [1] It is used where the affected area is no larger than 10 cm 2 (1.6 sq in). [1]
The term originated with George S. Hackett, MD, in 1956 in a publication titled "The rehabilitation of an incompetent structure by the generation of new cellular tissue". He applied the term prolotherapy from the words "proli’" (Latin), meaning offspring, and "proliferate", meaning to produce new cells in rapid succession. [ 26 ]
The cells targeted for the treatment of osteoarthritis are chondrocytes, synoviocytes, and their progenitors. Since the joint capsule is relatively well contained, intra-articular injections are highly successful at delivering the therapeutic gene therapy locally to the target cell types. Treatment of osteoarthritis may be successful via: