Stem cell therapy is a branch of regenerative medicine that uses mesenchymal stem cells (MSCs) to support the body's own repair mechanisms. MSCs are multipotent cells with a well-documented ability to modulate inflammation, secrete growth factors, and orchestrate tissue regeneration through paracrine signaling. They are typically sourced from umbilical cord tissue (Wharton's jelly), bone marrow, or adipose tissue, expanded under sterile laboratory conditions, and administered by a licensed physician.
The mechanism of action is largely paracrine: MSCs release exosomes, cytokines, and growth factors that recruit local progenitor cells, dampen chronic inflammation, and create an environment in which damaged tissue can repair itself. They do not simply replace lost cells — they signal. This is why a single application can produce systemic effects when administered intravenously, or highly localized effects when injected directly into a joint or target tissue.
MSCs are also immunoprivileged, which is why allogeneic (donor-derived) cells can be administered without HLA matching in carefully screened protocols. Decades of preclinical research and a growing body of clinical evidence support their safety profile and their utility as an adjunct to standard care in osteoarthritis, autoimmune conditions, sports injuries, and selected anti-aging applications.