Cellular Biology & LongevityEpitalon
Epitalon (Epithalon) is a synthetic tetrapeptide, Ala-Glu-Asp-Gly (AEDG), modeled on epithalamin, a pineal gland peptide extract studied since the 1980s for its activity in cellular aging and telomerase pathway research. Vertex supplies it as a lyophilized reference standard for in-vitro cellular aging research.
Epitalon is a four-amino-acid peptide built to mimic a natural pineal gland signal. It's studied for its relationship to telomerase, the enzyme that helps rebuild the protective caps on the ends of our chromosomes, which is why it shows up so often in cellular aging research.
A synthetic tetrapeptide (AEDG) modeled on the natural pineal peptide epithalamin
Studied for telomerase pathway activity in human somatic cell lines
Originates from decades of Russian gerontology research (Khavinson et al.)
Also studied for pineal gland melatonin-synthesis regulation
Supplied as a 10mg lyophilized reference vial
Mechanism
Scientific Mechanism
Epitalon is modeled on epithalamin, a natural peptide extract from the pineal gland studied for decades in Russian gerontology research led by Vladimir Khavinson. Published cell-line work reports that Epitalon exposure is associated with increased telomerase gene expression and extended replicative capacity in human fibroblast cultures, positioning it as a peptide-level modulator of cellular senescence markers rather than a direct enzymatic activator. A parallel research thread examines Epitalon's role in pineal gland regulation, including effects on melatonin synthesis and circadian signaling in animal models.
Mechanism Detail
How It Works
Epitalon's research activity is studied through two connected pathways:
telomerase: Reported to influence telomerase gene expression in human somatic cell lines, a mechanism distinct from direct enzyme activation
pinealSignaling: Modeled on epithalamin, a natural peptide involved in pineal gland regulation of melatonin synthesis
cellularSenescence: Studied for effects on proliferation limits and senescence markers in cultured fibroblasts
Research Evidence
What the Research Shows
Cellular Aging
• Human cell-line studies have reported telomerase activation and telomere-length effects following Epitalon exposure
• Research from Khavinson's laboratory has linked Epitalon to normalized cellular proliferation limits in fibroblast cultures
• Studies describe Epitalon's activity as distinct from small-molecule telomerase activators, acting through a peptide-signaling route
Pineal And Circadian
• Animal studies have examined Epitalon's effect on pineal gland melatonin synthesis and circadian rhythm markers
• Research has studied its use alongside light-cycle disruption models to assess effects on biological rhythm regulation
• Longevity-focused rodent cohort studies have reported extended lifespan markers, an active area of ongoing replication research
Research Dosing
Dosing & Administration Reference
For laboratory and in-vitro/animal research use only. This is not guidance for human dosing.
Starting Dose
5-10mg daily has been referenced in cited research protocols
Titration
Published research typically uses fixed-dose, short-course cycles rather than titration
Maintenance
5-10mg daily during an active research course
Study Duration
10-20 day courses are common in cited protocols, sometimes repeated periodically
Reconstitution Calculator
Reconstitution math for research reference only. Not dosing guidance.
Reconstitution ReferenceDiluent: Bacteriostatic water (0.9% benzyl alcohol)
Example Vial: 10mg reference vial
BAC Water: 2.0mL
Concentration: 5.0mg per 1mL
Storage & Handling
Stability Protocol
Lyophilized powder: store at -20C with desiccant, protected from light. Reconstituted solution: refrigerate at 2-8C, discard after 28-30 days or sooner if cloudiness or particulate appears.
References
Research Sources
Related
Frequently Researched Alongside
Research Use Only: Intended for in-vitro laboratory research only. Not for human or animal consumption. This page provides educational and research-context information only — it does not constitute dosing, administration, or medical advice.