Need help? Text us and our team of experts will reply in minutes
Research Use Only
All products are intended solely for laboratory research and are not for human or animal consumption. By purchasing, the buyer agrees to use these products in compliance with all applicable laws.
KPV Overview
KPV is a small tripeptide derived from the C-terminus of α-MSH that retains signaling activity while lacking melanotropic effects. Through PepT1-mediated uptake in epithelial and macrophage models, KPV directly accesses intracellular compartments where it modulates NF-κB signaling and reduces expression of key cytokines including TNF-α, IL-1β, IL-6, and IL-8. Research models examine KPV's effects on cytokine signaling cascades, epithelial barrier dynamics through tight junction protein regulation, mucosal modeling in experimental systems, and antimicrobial properties in laboratory settings.
Research Findings
KPV has been extensively studied in cytokine signaling research, with investigations focusing on NF-κB pathway modulation, epithelial signaling models, barrier dynamics, and immune modulation in various experimental systems. Studies examine both its unique transporter-mediated delivery and potent cytokine-modulating mechanisms.
Key Areas of Research:
Cytokine: NF-κB, MAPK, suppression
Epithelial: Mucosal signaling, modeling
Barrier: Tight junction, permeability, integrity
Immune: Peptide-receptor, macrophage, T-cell
Together, these investigations demonstrate KPV's multifaceted cytokine-modulating actions through PepT1-mediated uptake and direct intracellular signaling modulation. As a minimal bioactive sequence, KPV provides a research framework for examining peptide-based cytokine mechanisms, epithelial immune signaling, and barrier dynamics in diverse experimental models.
Dalmasso et al., Gastroenterology, 2008
Brzoska et al., Inammation Research, 2008
Getting et al., Journal of Pharmacology and Experimental Therapeutics, 2003
References
Our Process
Text us, our dedicated team is here to help
Reach out and get a response within minutes.
Frequently Asked Questions
Everything you need to know about our products and processes.
What's the actual amount in each vial?
Are additional supplies needed?
How long does a vial last?
Does the product come with instructions?
What purity level is guaranteed?
How should I store these products?

Verified compounds.
Ready to ship.
Need help? Text us, and a team member will reply in minutes.
© DirectPeptides 2026. All rights reserved.
All products on this site are for research and development use only. Products are not for human consumption of any kind. The statements made on this website have not been evaluated by the US Food and Drug Administration. The statements and the products of this company are not intended to diagnose, treat, cure, or prevent any disease.
Direct Peptides is a chemical supplier. Direct Peptides is not a compounding pharmacy or chemical compounding facility as defined under 503A of the Federal Food, Drug, and Cosmetic Act. Direct Peptides is not an outsourcing facility as defined under 503B of the Federal Food, Drug, and Cosmetic Act.
All products are sold for research, laboratory, or analytical purposes only, and are not for human consumption.




