KPV
Anti-Inflammatory Tripeptide | Alpha-MSH Fragment
Community Research
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KPV is a potent anti-inflammatory tripeptide derived from the C-terminal of alpha-MSH. It exhibits remarkable anti-inflammatory and antimicrobial properties without the pigmentation effects of full α-MSH, making it ideal for inflammation management.
Enters cells and inhibits inflammatory pathways at the nuclear level, particularly NF-κB signaling. Reduces pro-inflammatory cytokines (TNF-α, IL-6) without causing immunosuppression like steroids.
Molecular Data
Research Indications
Reduces TNF-α and IL-6 through NF-κB pathway inhibition.
May help balance overactive immune responses in autoimmune conditions.
Potential benefits for inflammatory arthritis through cytokine reduction.
Demonstrated benefit in Crohn's disease and ulcerative colitis models.
Helps restore intestinal barrier function.
Selective antimicrobial activity preserves beneficial gut bacteria.
Topical KPV reduced psoriatic markers by 60% and improved skin barrier function.
Reduces inflammatory skin conditions without systemic effects.
Dosing Protocols
Subcutaneous injection provides systemic anti-inflammatory effects. Abdomen is preferred for gut-related issues.
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| General anti-inflammatory | 200-300mcg | Once daily | SubQ |
| Active inflammation | 250mcg | Twice daily | SubQ |
| Autoimmune support | 500mcg | Once daily | SubQ |
| Acute flare-ups | 500mcg | 2x daily for 1 week, then reduce | SubQ |
Reconstitution Instructions
- KPV lyophilized powder
- Bacteriostatic water
- Insulin syringes
- Alcohol swabs
- 1 Clean vial with alcohol pad
- 2 Add 1mL bacteriostatic water to 1mg vial (1000mcg/mL)
- 3 Or add 2mL for 500mcg/mL concentration
- 4 Gently swirl - dissolves easily
- 5 Solution should be clear and colorless
- 6 Label with concentration and date
- 7 Refrigerate immediately
Interactions
What to Expect
Side Effects & Safety
Common Side Effects
- Minimal to no side effects reported
- Does not cause immunosuppression like steroids
- No melanin production/tanning effects
- May temporarily reduce inflammation-related symptoms
Stop Signs - Discontinue if:
- Signs of infection (fever, chills) - very rare
- Severe injection site reactions
- Paradoxical inflammation increase
- Allergic reaction symptoms
- Unusual fatigue or weakness
Contraindications
- Known peptide allergies
- Active severe infections (theoretical)
- Pregnancy or breastfeeding (limited data)
Quality Checklist
Good Signs
- High purity >98%
- Clear, colorless solution after reconstitution
- Stable small peptide structure
- Certificate of analysis available
Warning Signs
- pH should be 5.5-7 for optimal stability
Bad Signs
- Visible particles indicate contamination/degradation
- Yellow coloration indicates oxidation/potency loss
References
- Dissection of the Anti-Inflammatory Effect of the Core and C-Terminal (KPV) Alpha-Melanocyte-Stimulating Hormone PeptidesGetting, S.J., Schiöth, H.B., Perretti, M.Journal of Pharmacology and Experimental Therapeutics (2003)
Established that KPV exerts anti-inflammatory effects distinct from core MSH peptides, likely through inhibition of IL-1β functions rather than melanocortin receptor signaling.
- Melanocortin-Derived Tripeptide KPV Has Anti-Inflammatory Potential in Murine Models of Inflammatory Bowel DiseaseKannengiesser, K., et al.Inflammatory Bowel Diseases (2008)
KPV showed significant anti-inflammatory effects in DSS colitis and CD45RBhi transfer colitis models, reducing weight loss, histological damage, and MPO activity. Effects partially independent of MC1R signaling.
- Critical Role of PepT1 in Promoting Colitis-Associated Cancer and Therapeutic Benefits of KPVViennois, E., et al.Cellular and Molecular Gastroenterology and Hepatology (2016)
PepT1 is highly expressed in human colorectal tumors. PepT1-transported KPV prevented colitis-associated carcinogenesis in wild-type mice, with no effect in PepT1-knockout mice, confirming PepT1-dependent therapeutic mechanism.
- Orally Targeted Delivery of Tripeptide KPV via Hyaluronic Acid-Functionalized Nanoparticles Efficiently Alleviates Ulcerative ColitisXiao, B., et al.Molecular Therapy (2017)
HA-functionalized KPV nanoparticles (~272.3 nm) successfully targeted colonic epithelial cells and macrophages, exerting combined mucosal healing and anti-inflammatory effects superior to free KPV in a UC mouse model.
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Disclaimer
This information is for educational and research purposes only. Consult a healthcare professional before use.