KPV (Lys-Pro-Val) is a tripeptide derived from the C-terminal sequence of alpha-melanocytestimulating hormone (α-MSH). As a research peptide, KPV is widely studied for its potent antiinflammatory and cytoprotective properties, making it a valuable tool in dermatology, gastrointestinal research, and immunology. This article examines its research applications and the importance of sourcing from reliable peptides raw material manufacturers.
What Is KPV?
KPV is a three-amino-acid peptide (Lysine-Proline-Valine) that represents the minimal active fragment of α-MSH responsible for its anti-inflammatory activity. Unlike full-length α-MSH, KPV does not stimulate melanogenesis (pigmentation) and retains only the anti-inflammatory and immunomodulatory functions.
Mechanism of Action
KPV exerts its biological effects through multiple pathways:
– Inhibition of Inflammatory Cytokines : Suppresses the production of TNF-α, IL-1β, and IL-6.
– NF-κB Pathway Modulation : Inhibits nuclear factor kappa-B activation, a central mediator of inflammation.
– Antioxidant Activity : Reduces oxidative stress in inflamed tissues.
– Tissue Protection : Protects epithelial and endothelial cells from damage.
Research Applications
KPV is utilized in laboratory settings for:
– Inflammatory bowel disease (IBD) and colitis research.
– Wound healing and skin inflammation studies.
– Arthritis and joint inflammation research.
– Neuroinflammation and neuroprotection studies.
Regulatory Status
KPV was among the peptides evaluated by the FDA’s Pharmacy Compounding Advisory Committee (PCAC) in July 2026. FDA career staff recommended against inclusion on the 503A Bulks List due to insufficient human clinical trial evidence. The PCAC did not vote in favor of adding KPV, meaning it remains ineligible for compounding under Section 503A.
Research Findings
Recent studies on KPV have demonstrated:
– Significant reduction in intestinal inflammation in murine colitis models.
– Accelerated wound closure in diabetic animal models.
– Reduced joint inflammation in arthritis models.
– Neuroprotective effects in models of neuroinflammation.
Sourcing KPV for Research
When sourcing KPV from peptide raw material suppliers, verify:
– HPLC Purity : ≥98% with batch-specific chromatograms.
– Mass Confirmation : Verification of the correct molecular weight (approximately 341 Da).
– Endotoxin Testing : Essential for in-vivo and cell culture studies.
Product Disclaimer & Terms of Use
IMPORTANT NOTICE: FOR RESEARCH USE ONLY (RUO)
This product is intended exclusively for laboratory research and scientific development purposes. It is NOT a drug, food, medical device, cosmetic, or diagnostic product.