In regenerative and reparative medicine, cell therapy refers to the therapeutic use of living cells to influence tissue repair, replacement, modulation, or regeneration. Depending on the product category and clinical strategy, the intended effect may involve direct structural contribution, paracrine signaling, immunomodulation, matrix support, or stimulation of endogenous healing pathways. In soft tissue contexts, the term often sits at the intersection of biologic mechanism, manufacturing category, and therapeutic philosophy, and it may encompass autologous, allogeneic, minimally manipulated, or more engineered cellular approaches. It is not synonymous with any injectable biologic or tissue-derived product unless viable cells are a meaningful component of the therapeutic rationale.
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