About KPV
KPV (Lysine-Proline-Valine) is a tripeptide fragment corresponding to the C-terminal three amino acids of alpha-melanocyte-stimulating hormone (alpha-MSH). Unlike full-length alpha-MSH and other melanocortin peptides, KPV's anti-inflammatory activity appears to occur largely independently of classical melanocortin receptor (MC1R–MC5R) binding, making it a research tool for isolating anti-inflammatory mechanisms from the pigmentation, appetite, and libido effects associated with receptor-mediated melanocortin signaling.
Research has focused on KPV's ability to inhibit NF-κB nuclear translocation, a central transcription factor pathway in inflammatory signaling, as well as its effects on mast cell stabilization and cytokine production, particularly in models of gut and skin inflammation.
Research Applications
KPV is used in research investigating NF-κB pathway inhibition, mast cell stabilization, and anti-inflammatory signaling mechanisms, with particular focus on gut and skin inflammation models. Because its effects are largely receptor-independent, it is also used as a comparative tool alongside receptor-mediated melanocortin peptides in mechanism-isolation studies.