Epithalon

### Epithalon (Epithalamin) – Research Overview **Epithalon** (alanyl-glutamyl-aspartyl-glycine) is a synthetic tetrapeptide derived from epithalamin, a natural regulatory peptide produced in the pineal gland. In the context of molecular biology and gerontological research, Epithalon is primarily investigated for its putative role as a telomerase activator. Its mechanism of action centers on the modulation of telomerase activity (specifically the hTERT gene expression), which allows for the elongation of telomeres—the protective nucleotide sequences at the ends of chromosomes. By facilitating the maintenance of telomeric length, Epithalon is a key compound of interest in studies focusing on cellular senescence, genomic stability, and the potential reversal of age-related cellular degradation in vitro. Beyond its interaction with telomeres, Epithalon is frequently utilized in laboratory settings to explore the synchronization of circadian rhythms and pineal gland function. Research suggests the peptide may influence the synthesis of endogenous melatonin and restore the sensitivity of the hypothalamus to hormonal feedback loops. Studies observed in murine and avian models have evaluated its impact on antioxidant enzyme activity, such as superoxide dismutase (SOD) and glutathione peroxidase, suggesting a secondary role in mitigating oxidative stress at the cellular level. This multifaceted pharmacological profile makes Epithalon a primary candidate for research into oncogenesis inhibition and lifespan extension in preclinical experimental models. **Laboratory Handling and Storage Recommendations** Epithalon is supplied as a lyophilized (freeze-dried) white powder to ensure maximum stability. For research applications, it should be reconstituted using sterile bacteriostatic water or phosphate-buffered saline (PBS), depending on the specific requirements of the experimental protocol. Stability is highest when the lyophilized powder is stored at -20°C; however, it remains stable at room temperature for short-term transport. Once reconstituted, the solution should be kept refrigerated at 2°C to 8°C and utilized within a short timeframe to prevent degradation. To maintain the integrity of the peptide bonds, researchers should avoid vigorous agitation or vortexing of the vial. **Product intended for IN-VITRO LABORATORY RESEARCH USE ONLY. Not for human or veterinary diagnostic or therapeutic use.**