KPV: Research Overview

KPV is a tripeptide consisting of lysine, proline, and valine — the C-terminal fragment of alpha-melanocyte stimulating hormone (α-MSH). While α-MSH is a larger peptide with broad biological activity, KPV has drawn research interest in its own right due to its apparent anti-inflammatory properties and favorable size profile. Its small molecular weight allows for potential permeability across biological barriers, and it has been studied in models of intestinal inflammation, wound healing, and infection response.

Mechanism of Action

KPV is thought to exert anti-inflammatory effects primarily through interaction with melanocortin receptors, particularly MC1R and MC3R. Research suggests it can suppress the nuclear factor kappa B (NF-κB) signaling pathway, a central regulator of inflammatory gene expression. In vitro studies have shown that KPV reduces the secretion of pro-inflammatory cytokines including IL-1β, IL-6, and TNF-α from stimulated immune cells. Some studies also indicate direct antimicrobial properties, which have prompted investigation in infection models.

Key Research Areas

• Intestinal Inflammation Models: KPV has been studied extensively in rodent models of colitis and inflammatory bowel disease, where it has shown potential to reduce mucosal inflammation and promote epithelial repair.
• Wound Healing Research: In vitro and in vivo studies have examined KPV’s ability to accelerate tissue regeneration and modulate the inflammatory phase of wound healing.
• Antimicrobial Activity: Laboratory studies have documented KPV’s direct inhibitory effects against certain bacterial strains, raising interest in models combining infection with inflammatory response.
• Nanoparticle Delivery Systems: Researchers have explored encapsulating KPV in nanoparticles and hydrogels for targeted delivery in GI tract research models.

Research Applications

KPV is commonly used in mucosal immunology and gastrointestinal research. It is applied in both in vitro cell culture experiments (particularly with intestinal epithelial cell lines) and in vivo rodent models of colitis. Its small size and relative stability make it compatible with a variety of delivery methods, including oral, intraperitoneal, and topical applications in animal studies. KPV is also being explored in dermatological research models for its anti-inflammatory potential in skin tissue.

Storage and Handling

KPV is supplied as a lyophilized powder for research use. Storage at -20°C is recommended to maintain stability. Reconstitution should be performed with sterile bacteriostatic water under aseptic conditions. Once in solution, keep refrigerated at 2–8°C and use within 28 days. Avoid repeated freeze-thaw cycles to preserve peptide activity.

Available from Alpha Peptides US

Alpha Peptides US offers KPV 10mg for laboratory research applications. Suitable for researchers investigating inflammatory pathways, mucosal biology, or peptide delivery systems.

This product is intended for laboratory research purposes only. It is not approved by the FDA and is not intended for human or veterinary use, diagnosis, treatment, or prevention of any condition.