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Category:

KPV 5MG

Lysine-Proline-ValineAlpha-MSH (11-13)α-MSH C-Terminal FragmentCAS: 67727-97-3
A 3-amino acid tripeptide (Lys-Pro-Val) derived from the C-terminus of alpha-melanocyte-stimulating hormone that inhibits NF-κB activation via PepT1-mediated cellular uptake in preclinical inflammatory research models.

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20+
Published Studies
Anti-inflammatory peptide research
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3
Amino Acids
Lys-Pro-Val (α-MSH 11–13)
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NF-κB
Pathway Target
Master inflammatory regulator
99%+
Purity Verified
HPLC tested, COA included

How It Works

An α-MSH-derived tripeptide studied across inflammatory signaling, intestinal inflammation, and wound-healing research models

NF-κB Inhibition

Inflammatory Pathway Suppression

At nanomolar concentrations, KPV inhibits activation of the NF-κB and MAP-kinase inflammatory signaling pathways. By blunting NF-κB — a master regulator of inflammatory gene expression — KPV reduces secretion of pro-inflammatory cytokines such as TNF-α, IL-6 and IL-1β.

  • Inhibits NF-κB and MAP-kinase signaling at nanomolar levels
  • Reduces TNF-α, IL-6, IL-1β and other pro-inflammatory cytokines
  • Suppresses inflammatory output rather than boosting anti-inflammatory cytokines
PepT1-Mediated Uptake

Cellular Transport & Action

Research shows KPV is taken up by cells via the PepT1 di/tripeptide transporter, which is expressed on immune cells and intestinal epithelial cells. This transporter-mediated uptake allows KPV to act intracellularly on inflammatory signaling.

  • Enters cells through the PepT1 peptide transporter
  • PepT1 is expressed on immune and intestinal epithelial cells
  • Enables intracellular modulation of inflammatory pathways
α-MSH-Derived Activity

Melanocortin Fragment

KPV is the C-terminal tripeptide of alpha-melanocyte-stimulating hormone (α-MSH 11–13). Research indicates most of α-MSH's anti-inflammatory activity can be attributed to this fragment, which also shows antimicrobial activity in published studies.

  • C-terminal tripeptide of the melanocortin peptide α-MSH
  • Carries much of α-MSH's anti-inflammatory activity
  • Antimicrobial effects reported against S. aureus and C. albicans
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What Research Has Shown

Key findings from preclinical and in vitro publications

NF-κB Activation Inhibited
Pro-inflammatory Cytokines (TNF-α, IL-6) Reduced
Colitis Severity (DSS / TNBS models) Decreased
Corneal Re-epithelialization (rabbit study, 60 h) 100% vs. 0% placebo
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Research Applications

Primary areas of investigation

GASTROENTEROLOGY

Intestinal Inflammation & Colitis

A landmark study showed PepT1-mediated uptake of KPV significantly reduced intestinal inflammation in DSS- and TNBS-induced models of colitis.

Dalmasso et al. 2008 ↗
IMMUNOLOGY

α-MSH Anti-Inflammatory Signaling

KPV is studied as the C-terminal tripeptide that carries much of α-MSH's anti-inflammatory and immunomodulating activity.

Brzoska et al. ↗
DERMATOLOGY

Epithelial Wound Healing

In a rabbit corneal model, topical KPV produced complete re-epithelialization by 60 hours, with a mechanism that may involve nitric-oxide signaling.

Bonfiglio et al. 2006 ↗
MICROBIOLOGY

Antimicrobial Activity

KPV shows antimicrobial effects against Staphylococcus aureus and Candida albicans across a broad concentration range in published research.

Cutuli et al. 2000 ↗
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Compound Information

Technical specifications

Chemical Name KPV (Lys-Pro-Val)
Sequence L-Lysyl-L-Prolyl-L-Valine (α-MSH 11–13)
Molecular Weight 342.43 g/mol
Molecular Formula C18H31N6O4

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