Umbilical cord-derived mesenchymal stem cell secretome (UC-MSC secretome)

The Umbilical cord-derived mesenchymal stem cell (UC-MSC) secretome is a complex mixture of bioactive factors, including cytokines, growth factors, and extracellular vesicles, that mediate therapeutic effects through paracrine signaling (PMID: 31111314). It is not a single molecular target but a therapeutic modality that acts on various indirect paracrine targets, such as macrophages and fibroblasts, to modulate the immune response and promote tissue regeneration (PMID: 32607013). Key components like Transforming growth factor beta (TGF-beta) and Interleukin-10 (IL-10) are essential for its immunomodulatory properties, while Hepatocyte growth factor (HGF) and Vascular endothelial growth factor (VEGF) support angiogenesis and repair (PMID: 29629143). Clinical applications of the UC-MSC secretome are being explored for treating inflammatory conditions like COVID-19-related lung injury and autoimmune diseases (PMID: 33072148). As a cell-free therapy, it offers advantages in safety and storage over live cell transplants, though its multi-component nature presents challenges for pharmacological standardization (PMID: 34151010).

Other names

Indirect paracrine targets via UC-MSC secretomeUC-MSC conditioned mediumUC-MSC-derived paracrine factorsUmbilical cord mesenchymal stem cell secretome

The secretome functions through paracrine signaling, where secreted factors like TGF-beta, IL-10, and exosomes modulate the activity of surrounding immune and stromal cells to promote healing and suppress inflammation (PMID: 31111314).