KPV in Laboratory Research

Introduction

KPV is a tripeptide consisting of the amino acids lysine, proline, and valine (Lys-Pro-Val). It is derived from the C-terminal sequence of alpha-melanocyte-stimulating hormone (α-MSH) and has been studied in laboratory settings primarily for its anti-inflammatory properties and interactions with melanocortin receptors.

Relationship to Alpha-MSH

Alpha-melanocyte-stimulating hormone (α-MSH) is a 13-amino acid neuropeptide derived from proopiomelanocortin (POMC). It exerts anti-inflammatory effects through activation of melanocortin receptors, particularly MC1R and MC3R. KPV represents the C-terminal tripeptide of α-MSH and has been shown in research models to retain significant anti-inflammatory activity despite its much smaller size.

Melanocortin Receptor Interactions

Research has investigated KPV's ability to interact with melanocortin receptors, particularly MC1R expressed on immune cells and peripheral tissues. Activation of these receptors has been associated with downregulation of pro-inflammatory cytokine production, including TNF-α, IL-1β, and IL-6, in cell-based assay systems.

Research Applications

KPV has been studied in laboratory contexts including:

  • Inflammatory bowel models — intestinal epithelial cell studies examining barrier function and cytokine modulation
  • Skin inflammation models — keratinocyte and immune cell assays
  • Cytokine regulation — in vitro characterization of effects on pro-inflammatory mediator expression
  • Melanocortin receptor pharmacology — binding affinity and receptor activation studies
  • Intracellular delivery research — investigations into nanoparticle-based delivery systems for peptide transport

Stability and Research Utility

As a tripeptide, KPV is relatively small and straightforward to synthesize at high purity. Its compact size also makes it a useful tool for studying structure-activity relationships within the melanocortin system, and for investigating how minimal peptide sequences can retain the biological activity of larger parent molecules.

Research Use Notice

KPV research peptide is intended strictly for in vitro and laboratory research purposes. It is not intended for human or veterinary use, therapeutic application, or clinical administration.

Back to blog