To buy Epitalon peptide for laboratory experimentation, principal investigators require analytical validation including HPLC purity chromatograms and mass spectrometry assays. Epitalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide pineal bioregulator evaluated in preclinical models for telomerase enzymatic activation, chromosomal telomere length preservation, and circadian endocrine homeostasis.
To buy Epitalon peptide for laboratory experimentation, principal investigators require analytical validation including HPLC purity chromatograms and mass spectrometry assays. Epitalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide pineal bioregulator evaluated in preclinical models for telomerase enzymatic activation, chromosomal telomere length preservation, and circadian endocrine homeostasis.
When evaluating options to buy Epitalon peptide for in vitro or animal model research, laboratory procurement managers must prioritize analytical verification over promotional claims. Epitalon—also known as Epithalon or L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine—is a short synthetic peptide whose biochemical stability relies heavily on controlled solid-phase peptide synthesis (SPPS) and rigorous post-synthesis purification.
PX1 Research manufactures all research compounds within state-of-the-art facilities located in the United States, operating strictly under GMP-compliant protocols. Every production lot of Epitalon undergoes exhaustive testing by an independent ISO 17025-accredited laboratory. To ensure total transparency and protocol reproducibility, scientists can access lot-specific Certificates of Analysis (COAs) detailing analytical assay results prior to acquisition.
Quality validation for Epitalon requires dual verification: Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) to confirm peptide purity exceeds 98.0%, and Electrospray Ionization Mass Spectrometry (ESI-MS) to verify precise molecular weight (418.4 g/mol). Additionally, assays must confirm low endotoxin levels via quantitative Limulus Amebocyte Lysate (LAL) testing (<0.01 EU/mg) to prevent cellular toxicity or confounding inflammatory artifacts during sensitive research protocols.
Epitalon is a synthetic tetrapeptide composed of four amino acid residues arranged in the sequence L-alanyl-L-glutamyl-L-aspartyl-glycine (H-Ala-Glu-Asp-Gly-OH). It was originally designed based on the amino acid analysis of epithalamin, a natural peptide extract derived from the bovine pineal gland. Because natural tissue extracts present batch-to-batch variability and potential immunogenic contaminants, the synthetic sequence was engineered to isolate the active peptide fraction while ensuring structural homogeneity.
The molecular structure features two acidic amino acids (glutamic acid and aspartic acid) flanked by alanine at the N-terminus and glycine at the C-terminus. This unique spatial configuration grants Epitalon high structural stability in aqueous solution and facilitates specific interactions with nuclear chromatin and DNA regulatory sequences.
In preclinical settings, Epitalon acts as a short peptide bioregulator. Unlike larger polypeptide hormones or complex proteins, small peptide bioregulators like Epitalon can cross nuclear envelopes and directly interact with histone proteins and specific DNA regions, regulating promoter regions without requiring traditional membrane-bound receptor cascades.
The primary focus of preclinical inquiry into Epitalon revolves around its interaction with telomerase, the ribonucleoprotein enzyme complex responsible for maintaining chromosomal end integrity. Telomeres consist of repetitive nucleotide sequences (TTAGGG in vertebrates) located at the ends of eukaryotic chromosomes, which progressively shorten during successive rounds of DNA replication due to the inherent end-replication problem of linear DNA genomes.
In vitro data indicate that Epitalon induces the expression of the catalytic subunit of telomerase, known as human telomerase reverse transcriptase (hTERT). In human somatic cell cultures, exposure to Epitalon was observed to reactivate silent telomerase activity, resulting in the enzymatic elongation of shortened telomeres. This enzymatic lengthening allows cultured somatic cells to surpass their traditional Hayflick limit, extending total replicative lifespan without inducing oncogenic transformation or chromosomal instability.
Furthermore, animal models investigating cellular senescence demonstrate that long-term administration of Epitalon preserves average telomere length in peripheral blood lymphocytes and tissues exhibiting high baseline turnover. Researchers investigating genomic stability and cellular aging models frequently utilize our complete peptide catalog to source standardized bioregulators for comparative DNA integrity studies.
Beyond chromosomal maintenance, Epitalon acts as a potent regulator of the pineal gland (epiphysis), influencing the synthesis and nocturnal release of endogenous melatonin. The pineal gland plays a central role in maintaining circadian rhythms, synchronized via the suprachiasmatic nucleus (SCN) in response to environmental photoperiods. In aging organismal models, pineal involution and progressive nocturnal melatonin suppression are consistently observed.
Preclinical studies suggest that Epitalon restores youthful patterns of pineal secretory activity in aged rodent and non-human primate models. Exposure to Epitalon increases pineal sensitivity to light-dark cycles, upregulating the transcription of enzymes involved in melatonin biosynthesis, such as serotonin N-acetyltransferase (AANAT).
By normalizing nocturnal melatonin peaks, Epitalon indirectly modulates secondary endocrine pathways, including gonadotropin release, cortisol expression, and antioxidant enzyme activity (such as superoxide dismutase and glutathione peroxidase). Consequently, Epitalon serves as a primary tool in laboratory experiments targeting neuroendocrine aging, sleep-wake architecture restoration, and biological clock synchronization.
To properly contextualize Epitalon within anti-aging and longevity research, principal investigators often compare its mechanism of action against other short bioregulators and metabolic modulators. While Epitalon specifically targets hTERT expression and pineal restoration, adjacent peptide compounds operate via distinct molecular cascades.
For instance, researchers studying immune senescence frequently evaluate Thymalin, a thymus-derived peptide bioregulator that restores T-cell differentiation, alongside Epitalon to observe potential synergistic effects on systemic senescence. Conversely, investigators exploring senolytic mechanisms to clear damaged cells utilize FOXO4-DRI, a targeted peptide inhibitor that induces apoptosis in senescent cells by disrupting FOXO4-p53 interactions, rather than extending telomere length. Meanwhile, mitochondrial-derived peptides like MOTS-c act downstream on metabolic homeostasis and AMPK activation rather than nuclear chromatin remodeling.
Understanding these mechanistic distinctions is crucial when designing multi-compound preclinical assays. Researchers interested in establishing complex cell culture models or bulk tissue studies can consult our dedicated wholesale program for custom batch requirements and institutional quote configurations.
Maintaining structural integrity during laboratory manipulation is essential to ensure valid experimental outcomes. Epitalon is supplied by PX1 Research as a lyophilized (freeze-dried) cake or powder under vacuum sealing, ensuring long-term stability prior to reconstitution.
For optimal stability, lyophilized Epitalon vials should be stored upon receipt in a freezer maintained at -20°C or below, desiccated and protected from light. Under these conditions, the lyophilized peptide remains stable for up to 24 months. If short-term storage is necessary during transport or inventory intake, room temperature exposure should not exceed several days.
Reconstitution must be executed under sterile laminar flow conditions using Bacteriostatic Water (0.9% benzyl alcohol) or Sterile Normal Saline (0.9% NaCl) depending on the assay design. Slowly inject the solvent down the glass vial wall, allowing it to coat the lyophilized cake without aggressive shaking. Gentle swirling or inversion will complete solubilization. Once reconstituted, stock solutions should be aliquoted into single-use microcentrifuge tubes to eliminate freeze-thaw cycles and stored at -80°C (or 2°C to 8°C for short-term active experimental windows not exceeding 14 days).
In the specialized field of peptide research, data accuracy depends fundamentally on reactant purity. Substandard reagents containing residual solvents, TFA (trifluoroacetic acid) salts, truncated peptide sequences, or high bacterial endotoxins compromise cellular viability and invalidate experimental results.
PX1 Research maintains an uncompromising commitment to analytical perfection. When you choose to buy Epitalon peptide from our facility, you receive a product backed by complete operational integrity:
• USA-Based Manufacturing: Synthesized entirely within domestic facilities adhering to strict quality assurance protocols. • Verified High Purity: Guaranteed >98.0% purity confirmed through RP-HPLC and ESI-MS assay documentation. • Endotoxin Screening: Each batch is quantitative LAL-tested to ensure endotoxin content remains strictly below <0.01 EU/mg. • Lot Traceability & COAs: Full documentation shipped with each order and accessible digitally via our public database. • Rapid Logistics: Same-day dispatch for orders received Monday through Friday prior to cutoff times, fulfilled directly from centralized hubs in California and Arizona.
What is the purity level of PX1 Research Epitalon peptide?
Every batch of Epitalon peptide supplied by PX1 Research is verified to exceed 98.0% chemical purity using Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and mass spectrometry.
How is Epitalon's molecular identity verified?
Molecular identity is verified using Electrospray Ionization Mass Spectrometry (ESI-MS), confirming the theoretical exact molecular weight of 418.4 g/mol for the Ala-Glu-Asp-Gly amino acid sequence.
What solvent is recommended for reconstituting Epitalon in a lab?
Epitalon is freely soluble in aqueous buffers. Reconstitution is typically performed using sterile laboratory-grade Bacteriostatic Water or Sterile 0.9% Sodium Chloride solution under sterile laminar flow conditions.
What are the endotoxin limits for PX1 Research Epitalon?
PX1 Research subjects all peptide batches to quantitative Limulus Amebocyte Lysate (LAL) testing to ensure endotoxin levels remain below <0.01 EU/mg, preventing endotoxin-mediated cytotoxicity in cell cultures.
How should lyophilized Epitalon be stored upon arrival?
Lyophilized Epitalon should be stored at -20°C or -80°C in a dry, dark environment upon arrival. Sealed vials remain stable at -20°C for up to 24 months.
Can Epitalon be ordered in bulk quantities for institutional studies?
Yes, laboratory managers and institutional researchers requiring large batch sizes or custom synthesis orders can utilize our wholesale lab account portal for specialized quotes and documentation.
What is the primary preclinical focus of Epitalon research?
In preclinical literature, Epitalon is primarily investigated for its capacity to upregulate hTERT expression, induce telomerase enzymatic activity, extend telomere length, and restore pineal melatonin secretion patterns.
Where does PX1 Research ship Epitalon orders from?
All orders are fulfilled directly from our secure climate-controlled logistics centers in California and Arizona, featuring same-day shipping for orders placed Monday through Friday.
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.