PepT1-mediated uptake of the tripeptide KPV reduced intestinal inflammation in a mouse model of colitis.
KPV
Anti-inflammatory tripeptide for gut and skin inflammation

Overview
Last reviewed: 2026-08-18
Identity & Aliases
Also known as
Status: Research compound - Anti-inflammatory peptide
Full composition (formula, molecular weight, sequence) in Quick Facts →
Research Areas
Available Evidence
In mouse models, PepT1-mediated uptake of KPV reduced intestinal inflammation (Gastroenterology 2008, PMID 18061177) and showed therapeutic benefit in colitis-associated cancer models (PMID 27458604), supporting anti-inflammatory activity in gut inflammation.
Cell-based assays show KPV is transported by the intestinal di/tripeptide transporter PepT1 and modulates inflammatory signaling/cytokine responses (e.g., reduced pro-inflammatory mediators) without binding melanocortin receptors.
No human clinical trials of KPV have been identified; systemic/clinical relevance, dosing, and delivery are unproven, and much of the surrounding literature is promotional rather than peer-reviewed.
Key Studies & Findings
In a murine model, PepT1 promoted colitis-associated cancer and KPV administration reduced tumorigenesis, suggesting therapeutic potential in IBD-associated carcinogenesis.
Benefits & Effects
Antimicrobial
Wound healing
Treats IBD/IBS.
Anti-inflammatory
Antimicrobial
Wound healing
Treats IBD/IBS.
Anti-inflammatory effects in IBD, airway, and ocular inflammation
Corneal wound healing (100% re-epithelialization at 60h)
Antimicrobial against S. aureus, E. coli, Candida
NF-κB inhibition via PepT1-mediated transport
Side Effects & Safety
No significant adverse effects reported; lacks pigmentary effects of full α-MSH
Limitations & Open Questions
Pharmacology
Reported Research Dosing
Reported values from research literature and community protocols. Educational reference only — not a dosing recommendation or medical advice.
200-500mcg daily
Research Protocols
General Anti-Inflammatory
- Dose
- 200-300mcg
- Frequency
- Once daily
- Route
- Subcutaneous
Active Inflammation
- Dose
- 250mcg
- Frequency
- Twice daily
- Route
- Subcutaneous
Autoimmune Support
- Dose
- 500mcg
- Frequency
- Once daily
- Route
- Subcutaneous
Acute Flare-ups
- Dose
- 500mcg
- Frequency
- Twice daily for 1 week then reduce
- Route
- Subcutaneous
Research protocols are for educational purposes only. Always consult qualified medical professionals.
Frequently Asked Questions
Has KPV been studied in people with IBD?
No published human trials were identified; current evidence comes from mouse colitis models and in-vitro cell studies.
How does KPV work if it doesn't bind melanocortin receptors?
Unlike full-length alpha-MSH, KPV's anti-inflammatory effects appear mediated through PepT1-dependent uptake and downstream modulation of inflammatory signaling rather than melanocortin receptor activation.
Research Citations
Zhao Y, Xue P, Lin G, Tong M, Yang J, Zhang Y, Ran K, Zhuge D, Yao Q, Xu H (2022)
Zhang L, Li D, Aierken Y, Zhang J, Liu Z, Lin Z, Jiang L, Li Q, Wu Y, Liu Y (2024)
Engelen M, van Ballegoij WJC, Mallack EJ, Van Haren KP, Köhler W, Salsano E, van Trotsenburg ASP, Mochel F, Sevin C, Regelmann MO, Tritos NA, Halper A, Lachmann RH, Davison J, Raymond GV, Lund TC, Orchard PJ, Kuehl JS, Lindemans CA, Caruso P, Turk BR, Moser AB, Vaz FM, Ferdinandusse S, Kemp S, Fatemi A, Eichler FS, Huffnagel IC (2022)
+ 22 more citations
Related Resources
Quick Facts
Formula
C16H27N5O4
Molecular Weight
362.43
Sequence
KPV
Mechanism
Anti-inflammatory peptide derived from alpha-MSH
Safety Information
Research compound only. Limited human safety data available.
Citations
27Zhao Y, Xue P, Lin G, Tong M, Yang J, Zhang Y, Ran K, Zhuge D, Yao Q, Xu H (2022)
Zhang L, Li D, Aierken Y, Zhang J, Liu Z, Lin Z, Jiang L, Li Q, Wu Y, Liu Y (2024)
Engelen M, van Ballegoij WJC, Mallack EJ, Van Haren KP, Köhler W, Salsano E, van Trotsenburg ASP, Mochel F, Sevin C, Regelmann MO, Tritos NA, Halper A, Lachmann RH, Davison J, Raymond GV, Lund TC, Orchard PJ, Kuehl JS, Lindemans CA, Caruso P, Turk BR, Moser AB, Vaz FM, Ferdinandusse S, Kemp S, Fatemi A, Eichler FS, Huffnagel IC (2022)
+ 22 more citations