Epitalon Peptide Buy Online: Sourcing Research-Grade Bioregulators
Sourcing high-purity synthetic Epitalon (Ala-Glu-Asp-Gly) requires rigorous analytical verification, lot-specific transparency, and strict adherence to laboratory standards. PX1 Research supplies high-purity research compounds backed by third-party HPLC, mass spectrometry, and endotoxin testing for qualified academic and industrial institutions.
Quick answer
Sourcing high-purity synthetic Epitalon (Ala-Glu-Asp-Gly) requires rigorous analytical verification, lot-specific transparency, and strict adherence to laboratory standards. PX1 Research supplies high-purity research compounds backed by third-party HPLC, mass spectrometry, and endotoxin testing for qualified academic and industrial institutions.
Key takeaways
- To buy Epitalon peptide online for laboratory research, investigators must source from specialized suppliers providing lot-specific, third-party [Certificate of Analysis](/research-peptides/what-is-a-coa-for-peptides) (COA) data.
- Epitalon (also designated as [Epithalon](/research-peptides/epithalon) or Epithalone) is a synthetic tetrapeptide with the amino acid sequence L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine (Ala-Glu-Asp-Gly).
- In preclinical model systems, Epitalon functions primarily as a short-peptide bioregulator capable of penetrating cell membranes and interacting directly with specific promoter regions on genomic DNA.
- Preclinical studies evaluate Epitalon across a wide spectrum of cellular senescence models.
Direct Sourcing and Quality Standards for Research-Grade Epitalon
To buy Epitalon peptide online for laboratory research, investigators must source from specialized suppliers providing lot-specific, third-party Certificate of Analysis (COA) data. High-purity Epitalon research peptide requires verification via Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) achieving at least 98% purity, paired with Electrospray Ionization Mass Spectrometry (ESI-MS) to confirm sequence identity and exact molecular weight.
When procurement departments evaluate vendors for research compounds across our all research peptides catalog, evaluating chemical stability, manufacturing standards, and contamination thresholds is essential. Epitalon is synthesized as a ultra-pure short-chain tetrapeptide intended strictly for in vitro assays, cell culture research, and animal models exploring epigenetic control and chromosomal preservation.
Molecular Architecture and Synthetic Structure of Epitalon
Epitalon (also designated as Epithalon or Epithalone) is a synthetic tetrapeptide with the amino acid sequence L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine (Ala-Glu-Asp-Gly). Its molecular formula is C14H22N4O9, corresponding to a nominal molecular mass of approximately 390.35 g/mol. Epitalon was originally developed as a synthetic analogue of epithalamin, a peptide extract derived from the pineal gland of mammalian subjects.
As a member of the peptide bioregulator family, Epitalon features a low molecular weight that facilitates nuclear translocation and chromatin interaction in experimental models. Due to its specific acidic residues (glutamic acid and aspartic acid), the compound exhibits unique solubility characteristics and ionic charges in aqueous laboratory reagents. Detailed biochemical specifications and analytical spectra can be explored within our epitalon telomerase mechanism research documentation.
Epitalon Mechanism of Action: Epigenetic Bioregulation and Telomerase Induction
In preclinical model systems, Epitalon functions primarily as a short-peptide bioregulator capable of penetrating cell membranes and interacting directly with specific promoter regions on genomic DNA. In vitro data indicate that Epitalon binds to the histones and major grooves of double-stranded DNA, inducing localized chromatin decondensation and altering transcription rates of target genes.
The primary biochemical pathway investigated in relation to Epitalon is the upregulation of telomerase reverse transcriptase (TERT) activity. By stimulating endogenous telomerase expression, the peptide facilitates enzymatic elongation of hexanucleotide repeat sequences (TTAGGG) at the terminal ends of eukaryotic chromosomes. This enzymatic activity prevents critical telomere shortening during repeated mitotic divisions in somatic cell line cultures.
Preclinical Literature Review: In Vitro Cell Line and Rodent Studies
Preclinical studies evaluate Epitalon across a wide spectrum of cellular senescence models. In human somatic fibroblast cultures, administration of Epitalon led to a measurable increase in telomere length and extended the Hayflick limit—allowing cell lines to undergo additional population doublings past their standard proliferative boundary without displaying oncogenic transformation features.
Rodent research models (including murine and rat subjects) demonstrate that Epitalon modulates gene expression profiles related to oxidative stress response, antioxidant enzyme activation (such as superoxide dismutase and glutathione peroxidase), and apoptosis regulation. Data from long-term rodent bioassays suggest that chronic administration of pineal bioregulators influences lifespan parameters, tumor incidence rates, and biomarkers of metabolic homeostasis.
Pineal Gland Modulation, Circadian Rhythms, and Melatonin Dynamics
Beyond its direct action on chromosomal telomeres, Epitalon is actively studied for its functional interactions with the pineal-hypothalamic axis. The pineal gland plays a central role in orchestrating circadian biological rhythms through the pulsatile secretion of N-acetyl-5-methoxytryptamine (melatonin). With advancing physiological age, pineal involution typically results in marked declines in nocturnal melatonin output.
In non-human primate and aging rodent models, exposure to Epitalon restored youthful night-time melatonin secretion profiles and normalized circadian temperature oscillations. Researchers hypothesize that Epitalon reactivates silent or hypermethylated pineal genes responsible for tryptophan hydroxylase and hydroxyindole O-methyltransferase expression, thereby rescuing endogenous hormone synthesis at the transcriptional level.
Comparative Analysis: Epitalon vs. Other Bioregulators and Mitochondrial Peptides
When structuring comparative experimental protocols for longevity and cellular durability research, scientists frequently evaluate Epitalon alongside other specialized bioregulators and mitochondrial targeting peptides. For instance, while Epitalon operates primarily via nuclear chromatin unwinding and TERT gene induction, Thymalin acts as a thymic bioregulator focused on T-cell differentiation and immunomodulatory gene expression.
Similarly, peptides like GHK-Cu regulate extracellular matrix remodeling and copper-dependent gene transcription, whereas mitochondrial-derived peptides such as MOTS-c target metabolic homeostasis, AMPK activation, and insulin sensitivity pathways. Comparing these distinct mechanisms allows laboratory researchers to isolate nuclear epigenetic effects from cytosolic or organelle-specific signaling cascades within complex biological models.
Analytical Sourcing Criteria: Evaluating COA, RP-HPLC, ESI-MS, and Endotoxins
When purchasing Epitalon online, researchers must strictly avoid unverified research chemicals that lack comprehensive analytical validation. Raw peptide purity significantly impacts in vitro viability assays and target receptor binding studies; unreacted trifluoroacetate (TFA) salts, residual organic solvents, or truncated peptide impurities can confound experimental data.
At PX1 Research, every production batch undergoes independent ISO 17025 laboratory verification. Our quality assurance framework mandates dual-wavelength RP-HPLC analysis demonstrating ≥98% purity, ESI-MS confirmation matching the target monoisotopic mass, and Chromogenic Recombinant Factor C (rFC) assays ensuring bacterial endotoxin levels remain strictly below 0.1 EU/mg. Investigators can access analytical reports via our dedicated research peptide library.
Laboratory Handling, Reconstitution, and Storage Protocols
Epitalon is supplied as a sterile, lyophilized (freeze-dried) white powder inside sealed, borosilicate glass vials fitted with flip-off aluminum seals. To maintain peptide integrity, lyophilized vials should be stored upon arrival at -20°C or -80°C in a desiccated environment away from direct light exposure.
For laboratory reconstitution, researchers should use sterile, preservative-free laboratory solvents or bacteriostatic water for laboratory reconstitution. Solvent should be directed gently along the inner glass wall of the vial, followed by gentle swirling without vigorous mechanical agitation to avoid protein denaturation or foam formation. Once reconstituted, aqueous solution aliquots should be maintained at 2°C to 8°C for short-term assays or frozen at -80°C to prevent hydrolysis over extended timelines.
Supply Chain Traceability, US Manufacturing, and Compliance
PX1 Research maintains a fully domestic, US-based supply chain executing synthetic solid-phase peptide synthesis (SPPS) within GMP-compliant manufacturing centers. This infrastructure mitigates international shipping delays, cross-border regulatory seizures, and temperature degradation risks associated with overseas transit.
Orders placed through our automated platform ship directly from our strategic distribution facilities in California and Arizona, offering same-day dispatch Monday through Friday. Institutional procurement offices and principal investigators seeking bulk volume allocations or customized laboratory contracts can establish direct procurement channels via our wholesale research accounts portal.
Frequently Asked Questions
What is Epitalon and what is its primary role in research?
Epitalon (Ala-Glu-Asp-Gly) is a synthetic tetrapeptide bioregulator studied in preclinical models for its ability to activate telomerase, promote telomere elongation, modulate pineal melatonin output, and influence epigenetic gene expression.
How is Epitalon verified for purity at PX1 Research?
Every lot of Epitalon is subjected to independent third-party testing using RP-HPLC to verify ≥98% chemical purity, ESI-MS to confirm correct molecular identity (390.35 g/mol), and endotoxin testing to confirm levels under 0.1 EU/mg.
What solvent should be used to reconstitute Epitalon for in vitro testing?
For cell culture and in vitro laboratory procedures, Epitalon is typically reconstituted using sterile laboratory-grade bacteriostatic water, sterile normal saline (0.9% NaCl), or phosphate-buffered saline (PBS) under a sterile laminar flow hood.
How should lyophilized Epitalon be stored upon arrival?
Lyophilized Epitalon vials should be stored at -20°C or -80°C in a dry, dark location. Under these conditions, the freeze-dried peptide maintains chemical stability for up to 24 months.
Is Epitalon approved for human consumption or therapeutic administration?
No. Epitalon supplied by PX1 Research is strictly designated for laboratory research, in vitro assays, and preclinical animal studies. It is not for human or veterinary use, medical treatment, or diagnostic applications.
How does Epitalon differ from other longevity-focused peptides like MOTS-c?
Epitalon functions as a nuclear bioregulator inducing TERT transcription and telomere maintenance, whereas MOTS-c is a mitochondrial-derived peptide primarily involved in metabolic regulation, glucose utilization, and cellular energy homeostasis.
What shipping options and handling precautions are used for domestic delivery?
PX1 Research dispatches orders same-day (Monday through Friday) from CA and AZ fulfillment hubs using temperature-monitored, protective packaging to ensure peptide stability during transit.
Can institutional buyers obtain batch-specific Certificates of Analysis?
Yes. Every shipment includes lot-matched COAs featuring complete HPLC chromatograms, mass spectra, and endotoxin assay results accessible online or upon request.
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