Secretome effects

The **secretome** is the total collection of bioactive factors secreted by cells into the extracellular space. These include a wide diversity of molecules such as proteins (growth factors, cytokines, chemokines), lipids, nucleic acids, metabolites, and extracellular vesicles (exosomes and microvesicles). The secretome is a key mediator of intercellular communication, playing central roles in regulating cell proliferation, apoptosis, immune responses, tissue regeneration, and homeostasis[1][3][4][5][7]. In regenerative medicine, the "stem cell secretome" refers to factors secreted by stem cells (especially mesenchymal stem cells), which are widely recognized as mediators of the therapeutic effects of stem cell-based interventions[1][4][5][7]. The use of secretome-based (cell-free) therapies is emerging as a promising alternative to direct cell therapies due to lower immunogenicity, easier storage and handling, and fewer safety concerns compared to transplanting live cells[1][3][7]. However, "secretome effects" is not the name of a specific molecular target; it describes the biological impact of this collective group of secreted molecules, and there is currently no standardized single entity or drug target formally called "Secretome effects"[5][7]. Key caveat: There is no canonical molecular target called "Secretome effects"; this entry is a category of cell-derived factors, not a discrete molecule, receptor, or druggable target. If seeking a therapeutically actionable molecule, you must specify one of the well-defined compounds or receptors within the secretome (e.g., "VEGF", "TGF-β", "exosome") rather than the general effect or collective products.

Other names

cell secretomestem cell secretomestromal cell secretomecellular secretome