Back to Epitalon research
epitalon pineal peptide preclinical animal n preclinical 2026-04-03 PubMed

Epithalon Peptide Extends Lifespan and Suppresses Breast Cancer in Transgenic Mice

Epithalon decelerates aging and suppresses development of breast adenocarcinomas in transgenic her-2/neu mice.

Background

Aging is a complex process linked to increased susceptibility to various diseases, including cancer. Breast adenocarcinoma, particularly those driven by the HER-2/neu oncogene (a gene that promotes uncontrolled cell growth), represents an aggressive form of cancer with significant health burdens. This study aimed to investigate whether the synthetic peptide Epithalon could simultaneously decelerate aging and inhibit breast cancer development in a genetically predisposed animal model.

Results

Epithalon treatment significantly impacted both lifespan and tumor development in the mice. The peptide prolonged the average lifetime of the treated mice by 13.5% (p<0.05) and their maximum lifetime by 13.9% compared to controls. Notably, Epithalon extended the average lifetime of animals that remained free of neoplasms by a substantial 34.2% (p<0.05). It also effectively decelerated age-related declines in reproductive activity and suppressed tumor formation. The peptide decreased the overall incidence of breast adenocarcinomas, reduced lung metastases by 1.6 times (p<0.05), and lowered the occurrence of multiple tumors by 2 times. Epithalon remarkably increased the number of mice that remained completely free of breast tumors by 3.7-fold (p<0.05), while simultaneously decreasing the number of animals with 6 or more breast tumors by 3 times (p<0.05).

Why It Matters

These findings strongly suggest that Epithalon possesses both geroprotective (anti-aging) and anti-carcinogenic properties, particularly against HER-2/neu-driven breast cancer. The ability to simultaneously extend lifespan and suppress tumor development in a relevant genetic model highlights its potential as a novel therapeutic agent. This research provides a compelling basis for further investigation into Epithalon's mechanisms of action, possibly involving the suppression of HER-2/neu expression, and could pave the way for future clinical trials in humans targeting both aging-related diseases and specific cancer types.


epitalon pineal peptide dose mentioned
Source: pubmed:12459848 · Ingested 2026-04-03 · Digest: gemini-2.5-flash