When evaluating options to buy Epitalon online for analytical or preclinical research, laboratories require verified purity, lot-specific documentation, and strict quality control. Epitalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide bioregulator investigated in preclinical models for telomerase activation, telomere maintenance, and circadian regulation. PX1 Research supplies high-purity, USA-manufactured Epitalon verified via RP-HPLC and mass spectrometry strictly for qualified laboratory research applications.
When evaluating options to buy Epitalon online for analytical or preclinical research, laboratories require verified purity, lot-specific documentation, and strict quality control. Epitalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide bioregulator investigated in preclinical models for telomerase activation, telomere maintenance, and circadian regulation. PX1 Research supplies high-purity, USA-manufactured Epitalon verified via RP-HPLC and mass spectrometry strictly for qualified laboratory research applications.
Principal investigators and laboratory managers seeking to buy Epitalon online face a critical challenge: ensuring that the compound meets rigorous analytical standards required for reproducible experimental data. Epitalon, a synthetic short-chain peptide bioregulator comprised of L-alanine, L-glutamic acid, L-aspartic acid, and glycine (Ala-Glu-Asp-Gly), must be synthesized with precise sequence integrity to maintain biological fidelity in laboratory assays. Substandard peptide synthesis or improper purification can introduce truncation sequences, residual counterions, or endotoxins that compromise in vitro and animal models.
To maintain assay validity, research institutions must source compounds from suppliers operating under standardized quality systems. PX1 Research manufactures research peptides within domestic US facilities, adhering to stringent ISO 17025 testing protocols and Good Manufacturing Practice (GMP) compliance frameworks. Every batch of research peptides undergoes comprehensive analytical screening, including high-performance liquid chromatography (HPLC) and mass spectrometry (MS), ensuring researchers receive uncompromised reference material for their experiments.
Epitalon (also known as Epithalon or Epithalamin peptide sequence) belongs to the class of short-chain peptide bioregulators originally conceptualized at the St. Petersburg Institute of Bioregulation and Gerontology. Structurally, it is a synthetic tetrapeptide designed to mimic the natural peptide complex isolated from the pineal gland. Its low molecular weight (418.4 g/mol) allows for distinct interaction kinetics with chromatin structures compared to larger polypeptide sequences.
As a bioregulator, Epitalon functions via epigenomic modulation rather than typical receptor-ligand activation mechanisms. In vitro models suggest that short bioregulatory peptides penetrate cell membranes and nuclear envelopes to interact directly with promoter regions of specific genes. Researchers investigating peptidomic mechanisms utilize Epitalon to study sequence-specific DNA binding, histonal acetylation dynamics, and nuclear protein regulation in cultured somatic cell lines.
The primary focus of Epitalon research centers on its capacity to activate the enzyme telomerase (TERT). Telomerase is a ribonucleoprotein transcriptase responsible for maintaining structural integrity at the ends of linear chromosomes by adding hexanucleotide repeats (TTAGGG). Preclinical studies in human somatic cell cultures indicate that exposure to Epitalon induces catalytic subunit expression of reverse transcriptase telomerase, resulting in enzymatic activation in cells where the enzyme is normally repressed.
In vitro data suggest that Epitalon-induced telomerase activation promotes telomere elongation and delays morphological signs of cellular senescence. Researchers utilizing Epitalon for telomerase research monitor TERT promoter gene methylation patterns and mRNA transcription levels following administration to assess chromatin remodeling mechanisms in senescence-accelerated biological models.
Telomeres progressively shorten with each cycle of cellular division due to the end-replication problem of DNA polymerase. When telomeres reach a critically short length, cells enter irreversible cell-cycle arrest (senescence) or apoptosis. Rodent models and in vitro assays have demonstrated that Epitalon intervention can alter these cellular aging kinetics. In rodent studies, long-term administration was observed to extend average lifespan metrics, decrease spontaneous tumor incidence, and maintain chromosomal stability.
Researchers evaluating chromosome dynamics analyze parameters such as quantitative FISH (fluorescence in situ hybridization) to measure telomere repeat intensity. These models provide fundamental insights into how short peptide signals interact with nuclear architecture to preserve genomic stability under oxidative stress conditions. Academic and institutional labs interested in scaling these longitudinal models can establish dedicated procurement via PX1 Research lab accounts.
Beyond its direct chromatin interactions, Epitalon is heavily studied for its role in neuroendocrine regulation, specifically concerning the pineal-hypothalamic axis. The pineal gland regulates circadian bio-rhythms via the rhythmic synthesis and secretion of melatonin. In aging preclinical rodent and non-human primate models, pineal gland involution leads to diminished nocturnal melatonin surges and downstream circadian disruption.
In vitro and animal studies show that Epitalon restores night-time melatonin synthesis and normalizes gonadotropic hormone release patterns. Researchers investigating circadian biology utilize Epitalon to examine signal transduction pathways in pinealocytes, measuring changes in serotonin N-acetyltransferase (AANAT) enzymatic activity and pineal mRNA expression during distinct light-dark cycles.
When designing peptide protocols within cell biology or gerontology, investigators frequently compare Epitalon with other short-chain peptide bioregulators. Each peptide within the bioregulator class exhibits unique sequence-dependent specificity for target tissues and nuclear sequences.
For instance, while Epitalon (Ala-Glu-Asp-Gly) focuses on telomerase induction and pineal modulation, Pinealon (Glu-Asp-Arg) is a tripeptide studied primarily for central nervous system bioregulation and neuroprotective effects against oxidative damage. Similarly, Thymalin targets thymic tissue pathways to modulate T-cell differentiation markers. Researchers often evaluate these compounds in parallel assays to delineate tissue-specific versus generalized epigenetic responses.
Proper reconstitution is critical to maintain peptide integrity and prevent aggregation prior to experimental use. Epitalon is delivered as a sterile, lyophilized (freeze-dried) powder. To reconstitute the compound for in vitro or analytical workflows, laboratory personnel should follow established aseptic technique using sterile Bacteriostatic Water or Sterile Phosphate-Buffered Saline (PBS, pH 7.4).
The lyophilized cake should be allowed to reach room temperature before adding the solvent to prevent moisture condensation. Reconstitution solvents should be introduced gently along the glass vial wall, followed by light swirling. Swirling or gentle inversion is recommended; vortexing or vigorous shaking should be avoided to prevent mechanical shear stress and peptide denaturation. Reconstituted aliquots should be used immediately or stored under appropriate sub-zero temperature conditions to prevent peptide cleavage.
Sourcing high-purity reagents requires rigid evaluation of supplier verification protocols. When purchasing Epitalon online, researchers must confirm that the batch includes independent, third-party Certificate of Analysis (COA) documentation containing two primary analytical assays: Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and Electrospray Ionization Mass Spectrometry (ESI-MS).
RP-HPLC verifies physical purity by separating the primary peptide from synthesis impurities, residual protection groups, and deletion sequences. PX1 Research guarantees a minimum purity threshold of 99% for research-grade Epitalon. ESI-MS verifies the exact molecular mass (418.4 Da), confirming correct chemical identity. Furthermore, Limulus Amebocyte Lysate (LAL) testing is conducted on every batch to ensure endotoxin levels remain below strict laboratory limits (<0.01 EU/mg), preventing confounding inflammatory responses in cell culture models.
Maintaining chemical stability is essential for consistent quantitative assays across long-term research projects. Lyophilized Epitalon exhibits high physical stability when stored at -20°C in a desiccated environment, shielded from direct light exposure. Under these conditions, the dry peptide remains stable for up to 24 months without significant degradation.
Once reconstituted into aqueous solution, peptide stability decreases over time due to potential hydrolysis of peptide bonds. Reconstituted Epitalon solutions stored at 2°C to 8°C should be utilized within 7 to 14 days. For extended protocol timelines, reconstituted solutions must be divided into single-use research aliquots and stored at -80°C to minimize freeze-thaw cycles, which can disrupt peptide tertiary structure and alter experimental concentrations.
What is Epitalon and what is its primary chemical structure?
Epitalon (Epithalon) is a synthetic tetrapeptide with the amino acid sequence L-alanyl-L-glutamyl-L-aspartyl-glycine (Ala-Glu-Asp-Gly). It was designed as a short-chain bioregulator to mimic natural pineal gland peptides.
Is Epitalon intended for human administration or therapeutic use?
No. Epitalon sold by PX1 Research is strictly designated for laboratory research use only. It is not intended for human consumption, clinical diagnosis, therapeutic treatment, or veterinary use under any circumstances.
What analytical parameters confirm the purity of Epitalon?
Purity is confirmed via Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) to measure relative peptide abundance (>=99%), and Electrospray Ionization Mass Spectrometry (ESI-MS) to verify precise molecular weight (418.4 g/mol).
What solvent is recommended for reconstituting Epitalon in lab assays?
Epitalon is freely soluble in aqueous media. Laboratory protocols typically utilize sterile Phosphate-Buffered Saline (PBS, pH 7.4) or sterile Bacteriostatic Water depending on specific assay requirements.
How does Epitalon differ from other short bioregulatory peptides like Pinealon?
While Epitalon (Ala-Glu-Asp-Gly) is studied primarily for telomerase activation and pineal circadian modulation, Pinealon (Glu-Asp-Arg) is a distinct tripeptide evaluated mainly in neuroprotective and central nervous system research models.
What are the recommended storage conditions for lyophilized Epitalon?
Lyophilized Epitalon should be stored at -20°C in a dry, dark location. For long-term storage, -80°C is optimal to maintain structural stability over extended periods.
Does PX1 Research provide lot-specific Certificate of Analysis (COA) documents?
Yes. Every lot of Epitalon supplied by PX1 Research is accompanied by a third-party Certificate of Analysis detailing HPLC purity chromatograms, MS mass confirmation, and LAL endotoxin testing results.
How are endotoxin levels tested for Epitalon research batches?
Endotoxin levels are quantified using standardized Limulus Amebocyte Lysate (LAL) assays to confirm that levels remain below strict research thresholds (<0.01 EU/mg), ensuring compatibility with sensitive cell cultures.
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.