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Cortagen

AEDP, Ala-Glu-Asp-Pro, Cortex Tetrapeptide

Quick Stats
Studies 14
Trials 43
Overview Studies Clinical Trials
Score 2
2004 pubmed

Effects of short peptides on lymphocyte chromatin in senile subjects.

Khavinson. V Kh VKh; Lezhava. T A TA; Malinin. V V VV

View on DOI View Original Source

Key Findings

  • All five peptides (Vilon, Epithalon, Livagen, Prostamax, Cortagen) increased activity of ribosome genes in elderly leukocytes.
  • Peptide treatment caused decondensation of heterochromatin, making previously silenced DNA more accessible.
  • Epithalon, Livagen, and Prostamax also decondensed pericentromeric structural chromatin on chromosomes 1 and 9.

Practical Outcomes

  • These results hint that short peptides might modulate age‑related epigenetic marks, but there is no guidance on dosing, safety, or real‑world benefits. Biohackers should view this as early, mechanistic evidence and wait for clinical trials before adding Cortagen to longevity protocols.

Summary

The study tested several synthetic short peptides, including Cortagen, on blood cells taken from people aged 75‑88. It found that these peptides turned on ribosome genes and loosened tightly packed DNA regions, which are changes usually linked to aging. The work was done on isolated cells, not on living volunteers, and no health or performance outcomes were measured.

Abstract

Effects of synthetic short peptides (Vilon, Epithalon, Livagen, Prostamax, and Cortagen) on activity of ribosome genes, parameters of common heterochromatin melting, polymorphism of structural heterochromatin (C segments) of chromosomes 1, 9, and 16, and variability of facultative heterochromatin were studied in leukocytes of subjects aged 75-88 years. All the studied peptides induced activation of ribosome genes, decondensation of densely packed chromatin fibrils, and release of genes repressed as a result of age-specific condensation of the cellular euchromatin regions (deheterochromatinization of facultative chromatin). Treatment with Epithalon, Livagen, and Prostamax led to decondensation of chromosome 1 pericentromeric structural chromatin, while Epithalon and Livagen treatment led to changes in chromosome 9 as well. Hence, short peptides activate heterochromatin and heterochromatinized regions of cell chromosomes in senile subjects.

Study Information

Provider

pubmed

Year

2004

DOI

10.1023/b:bebm.0000024393.40560.05