KPV (Lysine-Proline-Valine) is the three amino acid C-terminal fragment of alpha-melanocyte-stimulating hormone (alpha-MSH), a tridecapeptide derived from post-translational processing of pro-opiomelanocortin (POMC). KPV has been studied to determine the extent to which this minimal fragment retains the anti-inflammatory activity of the parent molecule.
Melanocortin Receptor Interaction Research
Research has examined KPV's binding affinity for melanocortin receptors, particularly MC1R and MC4R, and its ability to activate intracellular signaling cascades downstream of receptor engagement, including cAMP production and PKA pathway activation.
NF-kB and Inflammatory Pathway Research
A significant area of KPV research involves its interactions with NF-kB inflammatory signaling. Studies have examined its capacity to inhibit NF-kB nuclear translocation and downstream pro-inflammatory cytokine production in macrophage and epithelial cell models.
Intestinal Barrier and Gut Inflammation Research
KPV has been studied in the context of intestinal epithelial biology, with preclinical research examining its effects on tight junction protein expression and epithelial barrier integrity in cell culture models.
• Dalmasso G et al. (2008). The peptide KPV inhibits colitis through intracellular receptor. Journal of Proteome Research, 7(9), 4061–4067.
