Vesugen
| Category | Compounds |
|---|---|
| Also known as | Vascular Bioregulator, KED Peptide |
| Last updated | 2026-04-14 |
| Reading time | 3 min read |
| Tags | khavinson-peptidevascularlongevityshort-peptideresearch |
Overview
Vesugen is a short peptide within the Khavinson family of organ-targeted bioregulators, assigned in that framework to the vascular wall. The concept is that short peptides derived from tissue extracts can be distilled into defined sequences that selectively influence gene expression in that tissue. For Vesugen, the target is vascular endothelium and smooth muscle.
Research interest in Vesugen is typically framed around vascular aging — endothelial dysfunction, arterial stiffening, and age-related cardiovascular changes. Published Russian-language research from the Khavinson group describes effects on vascular biomarkers, endothelial function in aged models, and gene expression in vascular tissue. English-language primary literature is more limited, and independent replication remains an active question for the Khavinson peptide class generally.
It is routinely grouped with other short bioregulators: Pinealon (pineal/brain), Cortagen (cortex), Livagen (liver), and Vilon (immune). The pineal peptide Epitalon is a common companion in longevity-focused combinations.
Structure / Chemistry
Vesugen is often described as the tripeptide Lys-Glu-Asp (KED), the same sequence sometimes assigned to Livagen in Khavinson publications. Discrepancies across sources are part of the broader characterization ambiguity of the Khavinson peptide family, and readers may encounter alternative short sequences attributed to Vesugen in different catalogs.
Mechanism of Action
Proposed mechanisms mirror other Khavinson peptides — sequence-specific gene regulation with preferential activity in vascular tissue. Effects described in published reports include modulation of endothelial nitric oxide synthase expression, antioxidant activity, and influence on vascular inflammation markers.
Research Summary
| Area | Finding | Reference |
|---|---|---|
| Endothelium | Effects on endothelial function in aged models | Khavinson et al., Bull Exp Biol Med reports |
| Gene expression | Vascular tissue gene regulation claims | Khavinson et al., Mol Biol reports |
| Aging | Vascular aging biomarker changes | Russian research group reports |
| Class framework | Short peptide bioregulator paradigm | Anisimov & Khavinson, Interdisc Top Gerontol 2010 |
| Combination | Use alongside other Khavinson peptides | Russian research group reports |
Pharmacokinetics
English-language pharmacokinetic data on Vesugen specifically are limited. Research administration is typically subcutaneous or intranasal. Short tripeptide pharmacokinetics are expected to involve rapid plasma clearance.
Common Discussion Topics
- Ambiguity in published sequence assignments across the Khavinson catalog.
- Vascular aging as a therapeutic target.
- Translation of rodent vascular findings to humans.
- Stacking with Pinealon and Epitalon in longevity protocols.
- Need for independent replication in non-Russian laboratories.
Related Compounds
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Related entries
- Cortagen— Cortagen is a Khavinson-class short peptide assigned in the bioregulator framework to cerebral cortex function and cognitive research.
- Epithalon— A synthetic tetrapeptide studied for telomerase activation, pineal gland regulation, and lifespan extension in animal models, based on decades of research by Vladimir Khavinson at the St. Petersburg Institute of Bioregulation and Gerontology.
- Livagen— Livagen is a Khavinson-class short peptide assigned in the bioregulator framework to hepatic function and studied in aging and chromatin research.
- Pinealon— Pinealon is a Khavinson-class short peptide (Glu-Asp-Arg) associated with pineal and brain bioregulatory research in longevity models.
- Vilon— Vilon is the Khavinson dipeptide Lys-Glu, studied in immune and longevity research contexts within the short-peptide bioregulator framework.