Paracrine signaling-mediated tissue regeneration

The process identified as "Tissue regeneration via paracrine signaling/growth factor release" is not a single molecular target, receptor, or structured protein—it refers to a **mechanism by which cells, most notably stem or progenitor cells, contribute to tissue repair not through direct replacement of cells, but via the secretion of bioactive factors** (paracrine factors) into the local tissue environment[1][5][9]. These factors include growth factors (such as fibroblast growth factor [FGF], vascular endothelial growth factor [VEGF]), cytokines, chemokines, exosomes, and microRNAs[1][7][10]. They act on nearby cells to modulate proliferation, differentiation, immune responses, and vascularization, helping to orchestrate the regeneration or repair of damaged tissues[3][4][7]. This mechanism is central in current regenerative medicine approaches, harnessing the paracrine "secretome" of certain cells (especially mesenchymal stem cells) rather than relying on their direct engraftment or differentiation[5][9]. These paracrine factors can have both beneficial (pro-regenerative, anti-inflammatory) effects and potentially adverse actions (such as promoting fibrosis or unwanted angiogenesis), depending on concentration gradients, timing, and the local tissue context[4][5]. This mechanism of action is a therapeutic strategy, not a "target" in the conventional drug discovery sense. **Note**: This entry is marked as "is_incorrect: true" because the provided label is a mechanism or mode of action, not a specific molecular entity or receptor against which drugs or biologics directly interact. For structured drug/target databases, this would require mapping to individual growth factors, their receptors (e.g., FGF, VEGF receptors), or associated pathways, rather than treating the mechanism itself as a target[2][6].

Other names

Paracrine effect in tissue regenerationParacrine growth factor releaseStem cell paracrine actionParacrine mechanism of repair