Vesugen

Vesugen (Lys-Glu-Asp, KED) is a synthetic tripeptide bioregulator from the Khavinson research programme, developed from vascular tissue isolates with a primary focus on endothelial cell biology and vascular aging. It is closely related in sequence to Vilon (Lys-Glu) and shares some functional overlap, but Vesugen's additional aspartic acid residue and tissue-specific derivation give it a more vascular-focused profile.

Vascular endothelial cells are among the most important cells in the body from an aging perspective. They line all blood vessels and serve as the interface between the bloodstream and tissue, regulating vasomotor tone, inflammation, coagulation, and nutrient exchange. Endothelial dysfunction - the impaired ability of endothelial cells to perform these regulatory functions - is recognised as one of the earliest and most important events in cardiovascular aging and atherosclerosis progression.

The vasoprotective research on Vesugen has focused on its ability to modulate endothelial cell proliferation and survival. Studies have demonstrated effects on Ki-67 expression in vascular endothelial cells, analogous to Cartalax's effects in fibroblasts. The maintenance of endothelial proliferative capacity is important because the endothelial monolayer requires constant renewal to repair micro-injuries from blood flow shear stress. Impaired endothelial renewal leaves gaps in the vascular lining that contribute to inflammation and atherosclerotic plaque development.

Beyond the vasculature, Vesugen has attracted research interest for its neuroprotective properties. The brain's blood supply is mediated by specialised cerebrovascular endothelial cells that form the blood-brain barrier. Age-related dysfunction of these cells contributes to reduced cerebral blood flow, neuroinflammation, and increased susceptibility to neurovascular damage. Studies examining Vesugen's effects on neuronal survival and morphology suggest potential applications in cerebrovascular health research.

The intersection of vascular and neuroprotective research makes Vesugen particularly relevant for research into cerebrovascular insufficiency - the impaired brain circulation that contributes to cognitive decline, vascular dementia, and stroke risk. In comprehensive longevity bioregulator protocols, Vesugen is often combined with Cortagen (cardiovascular support) and Epitalon (neuroendocrine regulation), addressing multiple interconnected aspects of cardiovascular and neurological aging.