What is KPV?
KPV is a tripeptide — lysine, proline, valine — representing the C-terminal fragment of alpha-melanocyte-stimulating hormone (α-MSH). Researchers isolated this fragment after observing that much of α-MSH's activity in inflammation models could be reproduced by its final three residues, without engaging the pigmentation pathways of the full hormone.
Research focus areas
- NF-κB signalling — the most cited KPV studies examine inhibition of NF-κB activation, a master switch of inflammatory gene expression, in cell models.
- Gut-barrier models — a well-known line of research has studied KPV in murine colitis models, including work on PepT1-mediated uptake in intestinal epithelial cells.
- Antimicrobial assays — some studies report activity against Staphylococcus aureus and Candida albicans cultures, echoing α-MSH's known antimicrobial fragment activity.
- Mast-cell studies — in vitro work has measured cytokine release from stimulated mast cells in the presence of KPV.
Why small peptides interest researchers
Tripeptides like KPV are cheap to synthesise at very high purity, chemically stable, and easy to modify — properties that make them attractive scaffolds in peptide drug-discovery research. KPV also appears in combination studies alongside larger peptides such as BPC-157 in gut-focused preclinical literature.
Sourcing
KPV from BioSupply UK ships lyophilised with HPLC and mass-spec verification and a batch Certificate of Analysis, for laboratory research use only.
Summary
KPV shows how much biology can fit in three amino acids: a focused literature spanning NF-κB signalling, gut-barrier models and antimicrobial assays. Human clinical data does not exist, and the compound remains research-only.
All products mentioned are supplied strictly for laboratory research purposes only and are not intended for human consumption, diagnosis, or treatment. Nothing in this article constitutes medical advice.