Researchers seeking to acquire (kopen) high-purity Epitalon require analytical verification and reliable batch consistency. Epitalon is a synthetic tetrapeptide bioregulator (Ala-Glu-Asp-Gly) studied extensively in preclinical models for telomerase induction, telomere maintenance, and pineal gland activity. PX1 Research supplies reference-standard Epitalon strictly for in vitro and laboratory research applications.
Researchers seeking to acquire (kopen) high-purity Epitalon require analytical verification and reliable batch consistency. Epitalon is a synthetic tetrapeptide bioregulator (Ala-Glu-Asp-Gly) studied extensively in preclinical models for telomerase induction, telomere maintenance, and pineal gland activity. PX1 Research supplies reference-standard Epitalon strictly for in vitro and laboratory research applications.
Epitalon (also known as Epithalon or L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine) is a synthetic tetrapeptide with the primary amino acid sequence Ala-Glu-Asp-Gly. It was originally designed to emulate the biological activity of epithalamin, a crude peptide extract isolated from the pineal gland. Classified within the peptide bioregulator family, Epitalon is studied for its ability to modulate chromatin structure and gene expression at minimal concentration thresholds.
In biochemical research, research-grade Epitalon serves as a principal model for investigating short-chain peptide interaction with genomic loci. Unlike larger protein complexes, short tetrapeptides can penetrate cellular and nuclear membranes without specialized transport machinery, allowing researchers to evaluate direct DNA-peptide interactions in nuclear fraction assays and cell culture models. Understanding these transport and binding kinetics remains a primary objective in contemporary peptide bioregulators research.
The primary mechanism attributed to Epitalon in published literature involves the up-regulation of telomerase reverse transcriptase (TERT) gene expression. Telomerase is the ribonucleoprotein enzyme responsible for adding repetitive nucleotide sequences (TTAGGG in vertebrates) to the terminal ends of chromosomes, known as telomeres. In somatic cells, progressive telomere shortening occurs with each cycle of DNA replication, eventually triggering replicative senescence or apoptosis.
In vitro studies utilizing human somatic cell lines, such as fetal lung fibroblasts, demonstrate that exposure to Epitalon induces telomerase activity, resulting in elongation of telomeric repeats and extended proliferative capacity. Preclinical models suggest that this mechanism does not involve uncontrolled cellular transformation, but rather a reactivation of endogenous enzymatic maintenance pathways. Investigators frequently utilize telomerase research peptides to analyze the promoter region of the TERT gene and quantify telomere length via quantitative PCR (qPCR) or fluorescence in situ hybridization (FISH) techniques. Further details on these analytical methods can be explored in the PX1 research library.
Beyond chromosomal maintenance, Epitalon exerts regulatory influence over neuroendocrine pathways, specifically targeting pineal gland dynamics. In aging rodent and non-human primate models, pineal involution correlates with diminished nocturnal melatonin secretion, disrupted circadian rhythms, and altered neuroendocrine feedback loops.
Preclinical data indicate that Epitalon administration restores nighttime melatonin synthesis in aged laboratory animals to levels comparable with younger controls. This effect is hypothesized to occur via transcriptional regulation of key rate-limiting enzymes in the tryptophan-melatonin pathway, such as arylalkylamine N-acetyltransferase (AANAT). Consequently, researchers investigate Epitalon in assays examining circadian clock gene expression (PER1, PER2, CLOCK) and neuroendocrine synchronization in vitro.
When designing comparative research protocols evaluating cellular senescence and bioregulation, investigators often contrast Epitalon against other synthetic short peptides and mitochondrial modulators. Each compound exhibits distinct molecular targets and physiological signaling cascades within preclinical models.
For instance, while Epitalon operates primarily via nuclear chromatin remodeling and telomerase activation, Thymalin acts as a thymic peptide bioregulator focused on T-cell differentiation and immune system modulation. Similarly, GHK-Cu is a copper-binding tripeptide evaluated for gene remodeling in extracellular matrix repair, whereas MOTS-c is a mitochondria-derived peptide that regulates metabolic homeostasis and AMPK signaling pathways. Combining these distinct targets in comparative cell culture studies allows researchers to map overlapping versus specialized longevity mechanisms.
Decades of preclinical literature originating from Eastern European and international research institutes have documented the physiological impacts of Epitalon across diverse biological models. In murine longevity studies, continuous or cyclic administration of Epitalon was observed to decrease spontaneous tumor incidence, reduce lipid peroxidation markers, and extend maximum lifespan relative to saline-treated controls.
In primate studies involving female Macaca mulatta models, treatment with Epitalon demonstrated normalized glucose tolerance, improved morning cortisol rhythms, and restored evening melatonin peaks. These empirical observations provide a robust foundation for modern cellular research aimed at elucidating the precise epigenomic modifications—such as DNA methylation patterns and histone acetylation—induced by short-chain peptide exposure.
For research institutions seeking to procure (kopen) Epitalon, verifying raw material purity and chemical identity is vital. Substandard synthesis can yield truncated peptide sequences, residual coupling reagents (such as HOBt or DIC), heavy metal contamination, or high trifluoroacetate (TFA) salt retention, all of which alter cellular response and invalidate experimental outcomes.
When evaluating vendors across the catalog of research peptides, laboratories must confirm that every batch is accompanied by independent, lot-specific analytical documentation. High-performance liquid chromatography (HPLC) and mass spectrometry (MS) remain the dual gold standards for confirming chemical purity and correct molecular weight.
PX1 Research enforces stringent analytical protocols for every batch of Epitalon synthesized. Reversed-Phase High-Performance Liquid Chromatography (RP-HPLC) establishes chromatographic purity, verifying that the main target peak accounts for at least 98.0% of total integrated peak area. This ensures freedom from deletion sequences and chemical impurities.
Electrospray Ionization Mass Spectrometry (ESI-MS) confirms identity by measuring the exact monoisotopic mass of the Ala-Glu-Asp-Gly peptide (theoretical molecular weight: 418.39 Da). Furthermore, Limulus Amebocyte Lysate (LAL) testing measures bacterial endotoxin levels. Because endotoxins trigger inflammatory responses in cell cultures and animal tissue assays, PX1 Research guarantees endotoxin limits well below stringent academic and industrial research thresholds (<0.01 EU/mg).
Epitalon is supplied as a lyophilized (freeze-dried) white powder inside sealed, borosilicate glass vials to maximize chemical stability during transport and storage. Reconstitution must be performed under sterile laminar flow conditions using appropriate laboratory solvents.
For standard cell culture and biochemical assays, sterile Bacteriostatic Water (0.9% benzyl alcohol) or sterile Phosphate-Buffered Saline (PBS, pH 7.4) is typically introduced along the inner glass wall of the vial. Vigorous agitation must be avoided to prevent peptide aggregation; gentle swirling allows complete dissolution within seconds. If preparing concentrated stock solutions for subsequent dilution in culture media, researchers must ensure solvent compatibility with downstream assay conditions.
In its lyophilized form, Epitalon exhibits strong thermal stability when stored at -20°C or -80°C in a desiccated environment away from direct light. Under these conditions, the dry peptide retains structural integrity for extended periods without detectable hydrolysis or oxidative degradation.
Once reconstituted, stock solutions should be divided into single-use sub-aliquots using sterile microcentrifuge tubes and stored at -20°C or below. Repeated freeze-thaw cycles must be rigorously avoided, as temperature transitions induce physical stress that accelerates peptide cleavage. Working solutions kept at 2°C to 8°C should be utilized within a short experimental window to prevent concentration changes due to surface adsorption or enzymatic degradation.
PX1 Research operates as a specialized USA-based supplier dedicated exclusively to serving academic laboratories, biotechnology firms, and institutional research facilities. All compounds are manufactured in compliance with strict Good Manufacturing Practice (GMP) frameworks, with analytical testing conducted by ISO 17025 accredited third-party laboratories.
Orders are dispatched directly from dual distribution hubs located in California and Arizona, providing same-day shipping Monday through Friday for verified orders. Qualified institutional buyers interested in bulk synthesis, batch reservations, or custom packaging options can establish institutional lab accounts to streamline procurement and maintain supply chain continuity.
What is the primary chemical structure of Epitalon?
Epitalon is a synthetic tetrapeptide comprised of four amino acids in the sequence L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine (Ala-Glu-Asp-Gly), with a molecular weight of approximately 418.39 Da.
What research applications is Epitalon primarily used for?
In preclinical research, Epitalon is studied for its role as a peptide bioregulator, specifically investigating TERT gene expression, telomere length maintenance, pineal gland melatonin synthesis, and cellular senescence mechanisms.
How does PX1 Research verify Epitalon batch purity?
Every lot of Epitalon undergoes third-party ISO 17025 testing including Reversed-Phase HPLC for purity (>98%), ESI-MS for molecular mass confirmation, and LAL assays for endotoxin quantification.
What solvents are recommended for reconstituting Epitalon in a lab setting?
Common laboratory solvents include sterile Bacteriostatic Water, 0.9% sterile Sodium Chloride, or Phosphate-Buffered Saline (PBS). The choice depends on the specific in vitro or preclinical model requirements.
How should lyophilized Epitalon be stored upon arrival?
Lyophilized Epitalon powder should be stored at -20°C or -80°C in a dry, dark environment. Reconstituted aliquots must be frozen to avoid enzymatic or chemical degradation.
Is Epitalon approved for human medical use or clinical administration?
No. Epitalon supplied by PX1 Research is strictly designated for laboratory research use only (in vitro and preclinical models) and is not for human or clinical consumption.
What endotoxin limits does PX1 Research enforce on research peptides?
PX1 Research enforces strict endotoxin controls, ensuring research compounds measure below standard academic thresholds (<0.01 EU/mg) to prevent confounding cellular inflammatory responses.
How does Epitalon compare to Thymalin in experimental design?
While both are bioregulatory short peptides, Epitalon primarily targets pineal melatonin secretion and telomerase dynamics, whereas Thymalin focuses on thymic cell differentiation and immune system signaling.
All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.