Paracrine modulation of tissue inflammation and regeneration

Paracrine modulation of tissue inflammation and regeneration refers to the therapeutic mechanism by which cells—primarily mesenchymal stem cells (MSCs) and other progenitor cells—secrete paracrine factors (such as cytokines, chemokines, growth factors, exosomes, and microRNAs) that act locally to dampen inflammation, orchestrate immune cell phenotype switching (e.g., M1 to M2 macrophages, induction of regulatory T cells), and stimulate repair or regeneration of damaged tissue. These factors can suppress pro-inflammatory cytokine production, prevent apoptosis, promote proliferation, and induce differentiation in target cells. The mechanism is distinct from direct cell replacement, relying instead on the cell's secreted milieu for therapeutic effect. Paracrine modulation is being investigated for a wide range of regenerative medical applications, especially in contexts like osteoarthritis, cardiac injury, and chronic inflammatory diseases, but it is not a single molecular target. If you seek information on a specific molecule involved in paracrine modulation (e.g., TSG-6, IL-10 receptor, PGE2 pathway), please specify the molecular target of interest.

Other names

Paracrine signaling in tissue regenerationParacrine-mediated immunomodulationParacrine effect in stem cell therapy

Modulation of immune cell phenotype—including M1/M2 macrophage polarization, regulatory T-cell induction, inhibition of dendritic cell maturation and NK cell cytotoxicity; Secretion of factors (e.g., IL-10, TGF-β, PGE2, HGF, exosomes) that suppress pro-inflammatory pathways or stimulate regeneration