For qualified laboratory institutions seeking to buy Epitalon peptide online, PX1 Research provides high-purity, USA-manufactured tetrapeptide reagents supported by comprehensive lot-specific documentation. Every batch of synthetic Epitalon undergoes rigorous analytical validation, including RP-HPLC purity verification, mass spectrometry identity confirmation, and quantitative endotoxin testing to ensure consistent experimental reproducibility.
For qualified laboratory institutions seeking to buy Epitalon peptide online, PX1 Research provides high-purity, USA-manufactured tetrapeptide reagents supported by comprehensive lot-specific documentation. Every batch of synthetic Epitalon undergoes rigorous analytical validation, including RP-HPLC purity verification, mass spectrometry identity confirmation, and quantitative endotoxin testing to ensure consistent experimental reproducibility.
Principal investigators and research procurement officers seeking to buy Epitalon peptide online require verified chemical identity, quantitative purity data, and low endotoxin thresholds. PX1 Research synthesizes Epitalon (Ala-Glu-Asp-Gly) under strict quality control standards in USA-based facilities. Each lot is accompanied by an independent ISO 17025-accredited laboratory Certificate of Analysis (COA) detailing Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) purity analysis, Electrospray Ionization Mass Spectrometry (ESI-MS) mass validation, and limulus amebocyte lysate (LAL) endotoxin quantification.
As a premier supplier of research peptides, PX1 Research maintains standardized inventory protocols, providing immediate fulfillment from fulfillment centers in California and Arizona. Orders placed Monday through Friday before 12:00 PM PST ship same-day to support uninterrupted academic, clinical, and industrial laboratory workflows. Epitalon is supplied strictly as a lyophilized solid for in vitro and non-human animal research applications.
Epitalon (also known as Epithalon or AEDG) is a synthetic tetrapeptide comprised of L-amino acid residues with the sequence L-alanyl-L-glutamyl-L-aspartyl-glycine (H-Ala-Glu-Asp-Gly-OH). Discovered during targeted peptide isolation experiments derived from pineal gland extracts (epithalamin), Epitalon represents a short-chain peptide bioregulator designed to interact directly with nuclear chromatin structures and gene promoter regions.
In peptide chemistry, short-chain sequence-specific bioregulators exhibit high chemical stability and selective binding affinities compared to larger protein sequences. Preclinical studies indicate that short peptide motifs like AEDG pass through cellular membranes and penetrate nuclear double-membranes, binding to specific base pairs within DNA promoter regions. Researchers investigating cellular senescence and pineal axis pathways frequently utilize synthetic Epitalon reagents to examine sequence-dependent gene expression modifications without the conformational degradation risks associated with crude tissue extracts.
The primary focus of empirical research surrounding Epitalon centers on its role in telomerase induction and telomere length maintenance. In somatic mammalian cell cultures, telomeres naturally shorten with successive cellular divisions, leading to senescence and genomic instability. In vitro cell models demonstrate that exposure to Epitalon induces the expression of the human telomerase reverse transcriptase (hTERT) catalytic subunit, leading to measurable telomerase enzymatic activity in somatic tissues that typically lack active telomerase.
Further mechanistic investigation via telomerase activation research reveals that Epitalon induces local chromatin decondensation. Preclinical data show that Epitalon binds to histone proteins and promoter regions of DNA, reducing heterochromatin density and permitting transcription factors to access previously silenced genomic sites. This chromatin remodeling mechanism facilitates the activation of cellular maintenance pathways, offering molecular biologists a targeted tool to study epigenetic modifications and cellular lifespan expansion in vitro.
Beyond telomeric research, Epitalon is heavily investigated for its role in modulating neuroendocrine function and pineal gland activity. The pineal gland plays a central regulatory role in circadian biology through the rhythmic synthesis of melatonin. In aging animal models (rodents and non-human primates), pineal gland involution leads to flattened diurnal melatonin secretion curves and dysregulated sleep-wake cycles.
Preclinical studies show that Epitalon exposure restores nighttime melatonin synthesis in pinealocytes isolated from aged animal subjects. Investigators note that Epitalon upregulates key enzymes in the melatonin biosynthesis pathway, including serotonin N-acetyltransferase (AANAT). By re-establishing baseline pineal sensitivity, Epitalon serves as an invaluable reference compound in physiological studies focused on circadian biology, metabolic synchronization, and neuroendocrine preservation.
When designing protocols in cellular longevity and tissue homeostasis, researchers frequently compare Epitalon with other well-characterized peptide compounds. Understanding the mechanistic distinctions between these targets allows lab personnel to select the appropriate biochemical probes for their specific experimental endpoints.
While Epitalon acts primarily via nuclear chromatin binding, hTERT gene activation, and pineal restoration, GHK-Cu functions primarily as a tripeptide-copper complex regulating extracellular matrix remodeling, gene transcription for tissue repair, and free radical scavenging. Conversely, MOTS-c is a mitochondrial-derived peptide that targets metabolic homeostasis, AMPK activation, and cellular energy expenditure. For comparative neuroendocrine studies, researchers also look at Thymalin bioregulator research, which targets thymic differentiation rather than pineal axis restoration. Epitalon remains unique in its specific ability to directly stimulate endogenous telomerase in somatic cell lines.
When procuring synthetic peptides online, experimental accuracy depends directly on chemical purity and batch consistency. Impurities such as truncated peptide sequences, organic solvents, or heavy metal residues can introduce confounding variables in cell cultures and animal models. PX1 Research addresses these risks through absolute analytical transparency.
Every production lot of Epitalon undergoes dual-tier validation prior to release:
1. **Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC):** Verifies chemical purity levels, ensuring the sample meets or exceeds strict specification thresholds (typically ≥98.0%). Chromatograms clearly display retention times and confirm the absence of major synthesis by-products.
2. **Electrospray Ionization Mass Spectrometry (ESI-MS):** Validates precise molecular weight and structural identity, matching the theoretical mass of AEDG (390.35 g/mol).
3. **Endotoxin Quantification:** Using kinetic Chromogenic LAL assays, PX1 verifies that bacterial endotoxin levels remain below stringent research limits (<0.01 EU/mg), eliminating false-positive inflammatory responses in sensitive cell lines or rodent models. Researchers can verify these parameters by examining our public analytical research documentation.
Lyophilized Epitalon is delivered as a stable, sterile-filtered white powder. To preserve peptide integrity, laboratories should implement standardized handling and storage protocols upon delivery:
• **Storage of Lyophilized Powder:** Store incoming vials at -20°C for short-to-medium term storage (up to 24 months). For long-term storage, -80°C is recommended to prevent ambient moisture absorption and degradation.
• **Reconstitution Parameters:** Reconstitute Epitalon using sterile Bacteriostatic Water (0.9% benzyl alcohol) or sterile Phosphate-Buffered Saline (PBS, pH 7.4) depending on downstream assay requirements. Allow the vial to reach room temperature before adding solvent to avoid vacuum collapse or precipitation.
• **Aliquoting Reconstituted Solutions:** Avoid repeated freeze-thaw cycles, which induce mechanical peptide shearing and solution degradation. Once reconstituted, divide the stock solution into single-use micro-centrifuge tubes and store at -20°C or -80°C. Working aliquots stored at 4°C should be used within 7 to 14 days. For detailed reconstitutions, consult our lyophilized peptide handling guide.
Navigating the supply chain for high-purity research reagents requires a dependable partner with established US manufacturing standards. PX1 Research synthesizes Epitalon in state-of-the-art facilities compliant with Good Manufacturing Practices (GMP) and ISO 17025 laboratory guidelines. This domestic supply chain minimizes international customs delays, degradation due to unmonitored transit temperatures, and lot-to-lot batch variance.
Institutions managing large-scale screening protocols or long-term longitudinal animal studies can access bulk quantities via our institutional wholesale accounts. Every shipment is packaged in temperature-stable containment to protect molecular stability from heat stress during transit.
What is Epitalon (AEDG)?
Epitalon (AEDG) is a synthetic tetrapeptide consisting of L-alanine, L-glutamic acid, L-aspartic acid, and glycine. It was originally designed to mimic the biological activities of epithalamin, a natural peptide fraction isolated from the pineal gland.
Is Epitalon approved for human consumption or therapeutic use?
No. Epitalon supplied by PX1 Research is strictly sold as a chemical reagent for in vitro laboratory research and preclinical animal studies. It is not intended, labeled, or approved for human consumption, medical treatment, or diagnostic use.
How does Epitalon induce telomerase activity in cell models?
Preclinical data suggest that Epitalon binds directly to DNA promoter regions and chromatin histones, inducing chromatin decondensation and upregulating the transcription of the human telomerase reverse transcriptase (hTERT) gene.
What purity level does PX1 Research guarantee for Epitalon?
PX1 Research guarantees an analytical purity of ≥98.0% for Epitalon, verified via lot-specific RP-HPLC chromatograms and ESI-MS mass spectrometry analysis available on every Certificate of Analysis.
How should lyophilized Epitalon be stored upon arrival?
Lyophilized Epitalon should be stored at -20°C for short-to-medium term research storage or at -80°C for extended stability. Reconstituted aliquots must be stored frozen and kept away from repeated freeze-thaw cycles.
What solvent is recommended for reconstituting Epitalon in laboratory assays?
Epitalon is highly water-soluble. It reconstitutes readily in sterile Bacteriostatic Water, Sterile Water for Injection, or standard laboratory buffers such as Phosphate-Buffered Saline (PBS, pH 7.4).
What are the endotoxin limits for PX1 Research Epitalon?
Every batch of Epitalon undergoes quantitative LAL endotoxin testing to confirm levels remain below strictly defined thresholds (<0.01 EU/mg), ensuring compatibility with sensitive cell cultures and in vivo animal models.
Where does PX1 Research ship Epitalon from?
PX1 Research manufactures and dispatches all orders directly from facilities in California and Arizona. Orders submitted before 12:00 PM PST Monday through Friday ship same-day.
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.