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Stem Cell / Medicinal Signaling Cell treatment is a highly effective method of regenerating or repairing injured or damaged tissue using the individual's own cells. In the case of the knee, Stem Cell / Medicinal Signaling Cell injections are mostly used in patients who are suffering with osteoarthritis or have a sports related injury. Over the years, Stem Cell / Medicinal Signaling Cell research and treatments in the knee has generated impressive and life-changing results for patients.
Reviewed byProf Paul Lee MBBch, FRCS (Tr & Orth), PhDLast reviewed 1 May 2026
Stem Cell / Medicinal Signaling Cells are found in various areas of the body, the cells that are used in relation to joint problems are known as mesenchymal Stem Cells / Medicinal Signaling Cells. These cells are harvested from the abdominal fat or bone marrow under general anaesthetic using a specific type of needle and syringe.
Once the cells are harvested, the various elements of the fluid are separated from each other in a closed-circuit system. Next, the concentrated cells are isolated, and the surgeon injects them into the knee using an X-ray for precise guidance to the relevant area. Stem Cell / Medicinal Signaling Cell treatment for knees is an outpatient procedure, it takes around 1 hour, and patients can go home later in the same day.
Our specialists are at the top of their field, with years of relevant knowledge and hands-on experience with the knee joint and supporting patients through exclusive, forward-thinking treatments. Stem Cell / Medicinal Signaling Cells are a highly specialised biological treatment that should only be administered by industry experts.
London Cartilage Clinic offers a dedicated service from start to finish, ensuring you receive the best possible patient care. Our team will guide you through the process, making sure you're happy and understand everything you need to know about your Stem Cell / Medicinal Signaling Cell knee injection treatment.
You may have more options than you think
At London Cartilage Clinic we follow a structured clinical framework across four areas of treatment. Before recommending a single procedure, we assess which combination of approaches gives you the best outcome.
Protect what you have. Slow degeneration and manage symptoms.
Fix specific damage. Torn tissue, unstable joints, structural problems.
Rebuild lost tissue. Biological treatments that stimulate new growth.
When other options are exhausted. Joint replacement as a last resort.
Explore the full range of treatments available for your joint. Each hub page shows every option we offer, organised by clinical approach.
Stem Cell / Medicinal Signaling Cell treatment has proven to reduce knee pain and improve the functionality of the joint. It is believed that this is done by:
You might be right for Stem Cell / Medicinal Signaling Cell treatment for knees if you have been suffering from joint pain caused by degenerative conditions like arthritis or a sports injury. It is a good option for individuals who are looking for the best treatment for their pain and want to improve their quality of life whilst also avoiding the complications of invasive surgery.
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Clinical updates, cartilage treatment guidance, and recovery-focused articles from our specialist team.
ChondroFiller is an injectable collagen scaffold that prompts the patient's own progenitor cells to regenerate cartilage defects; it holds CE Class III approval, and published prospective data document functional improvements of approximately 30 points sustained at three-year follow-up.
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