Epitalon

What Is Epitalon?

Synthetic tetrapeptide studied for its role in telomerase activation, pineal gland regulation, and cellular longevity. Epitalon (also known as Epithalon or Epithalone) is a synthetic tetrapeptide composed of four amino acids: Alanine, Glutamic acid, Aspartic acid, and Glycine (Ala-Glu-Asp-Gly, or AEDG). It was developed by a gerontologist Professor Vladimir Khavinson at the SPbIBG, based on Epithalamin, a natural polypeptide complex isolated from the pineal gland (Khavinson et al., 2017).

As a research compound, Epitalon has attracted significant scientific interest for its geroprotective and neuroendocrine properties, with over 25 years of preclinical data. Its biological role relates to regulating pineal gland function, supporting telomere maintenance, and influencing the body's natural circadian and antioxidant systems (Araj et al., 2025).

Mechanism of Action

Epitalon is studied for its ability to activate telomerase, the enzyme responsible for maintaining telomere length, through induction of the hTERT gene in human somatic cells. In landmark experiments, Epitalon-treated human fetal fibroblasts exceeded the Hayflick limit, dividing well beyond the natural replicative ceiling of untreated controls (Khavinson, Bondarev & Butyugov, 2003).

Recent work suggests Epitalon may interact directly with the hTERT gene promoter and histone H1, modulating chromatin structure through epigenetic mechanisms (Khavinson et al., 2020).

Key Areas of Research

Telomere Maintenance & Cellular Longevity

Preclinical models show Epitalon activates hTERT expression, elongates telomeres in telomerase-negative cells, and extends the proliferative lifespan of human fibroblast cultures (Khavinson et al., 2003).

Pineal Gland Regulation & Melatonin Synthesis

Research indicates Epitalon stimulates pineal function and restores the nocturnal melatonin peak in aged models and elderly subjects whose circadian rhythms have been disrupted by age-related pineal calcification (Korkushko et al., 2011).

Longevity & Geroprotective Effects

In rodent studies, chronic Epitalon administration has been associated with increased mean lifespan and reduced spontaneous tumor incidence, including in HER-2/neu transgenic mice (Anisimov et al., 2002; 2003).

Antioxidant Activity

Studies report that Epitalon enhances the expression of endogenous antioxidant enzymes such as superoxide dismutase (SOD), glutathione peroxidase, and ceruloplasmin (Kozina, Arutjunyan & Khavinson, 2007).

Neuroprotection & Neuroendocrine Support

Epitalon has demonstrated the ability to cross the blood-brain barrier, modulate cortical neuron activity, and normalize hypothalamic-pituitary axis signaling in aging organisms (Sibarov et al., 2007).

Research Use Only

Epitalon supplied by Peptidos.eu is intended exclusively for laboratory and scientific research. It is not approved for human or animal consumption and must not be used as a medicine or diagnostic tool.

Disclaimer

The products offered by peptidos.eu are intended exclusively for research and laboratory use and are sold only to qualified professionals, institutions, or authorized entities. These products are not intended for human or veterinary consumption, nor for any application involving living organisms, including — but not limited to — diagnostic, therapeutic, or recreational purposes.

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