For principal investigators and laboratory researchers seeking to source epitalon peptide online bestellen, PX1 Research provides highest-grade synthetic Epitalon (AEDG tetrapeptide) strictly for in vitro and preclinical investigation. Every lot undergoes rigorous analytical testing, including RP-HPLC purity verification and mass spectrometry, ensuring baseline consistency for cellular longevity and telomerase research.
For principal investigators and laboratory researchers seeking to source epitalon peptide online bestellen, PX1 Research provides highest-grade synthetic Epitalon (AEDG tetrapeptide) strictly for in vitro and preclinical investigation. Every lot undergoes rigorous analytical testing, including RP-HPLC purity verification and mass spectrometry, ensuring baseline consistency for cellular longevity and telomerase research.
When procurement officers and academic researchers evaluate options to source epitalon peptide online bestellen, analytical purity, batch consistency, and reliable documentation are paramount. Epitalon (Ala-Glu-Asp-Gly) is a synthetic pineal-derived tetrapeptide extensively studied in experimental biogerontology for its interaction with telomerase catalytic subunits and chromatin structure.
Sourcing laboratory-grade peptides requires transparent supplier verification. Low-grade or improperly stored reagents introduce confounding variables in bioassays, such as peptide degradation products, residual counter-ions, or bacterial endotoxins. PX1 Research manufactures all compounds within domestic, GMP-compliant facilities and subjects every batch to independent ISO 17025 laboratory verification to guarantee purity levels suitable for sensitive preclinical models.
Epitalon (CAS 307297-39-8) is a synthetic short-chain peptide composed of four amino acids: L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-glycine (AEDG). Originally modeled after epithalamin—a crude pineal gland extract isolated during early Soviet biogerontology research—Epitalon belongs to the class of short synthetic peptide bioregulators. These ultra-short amino acid sequences are hypothesized to interact directly with targeted DNA regulatory sequences, facilitating gene expression modulation without requiring surface receptor binding.
With a precise molecular weight of approximately 390.35 g/mol, Epitalon exhibits high aqueous solubility and chemical stability in lyophilized form. In vitro models suggest that small bioregulatory peptides like Epitalon can cross cellular and nuclear membranes through passive diffusion or specialized transport mechanisms, where they interact with histone proteins and specific promoter regions of functional genes.
The primary locus of scientific interest regarding Epitalon centres on its capacity to induce telomerase activity in somatic cells. Telomeres—repetitive hexanucleotide (TTAGGG) sequences capping eukaryotic chromosome ends—undergo progressive shortening with each round of DNA replication, ultimately triggering replicative senescence or apoptosis when a critical threshold is reached.
In vitro studies utilizing human somatic cells demonstrate that exposure to Epitalon promotes the expression of the human telomerase reverse transcriptase (hTERT) catalytic subunit. This upregulation has been observed to facilitate telomere elongation and extend the proliferative lifespan of cultured fibroblasts beyond the traditional Hayflick limit. Preclinical rodent models further indicate that Epitalon administration correlates with reduced chromosomal aberration frequencies and enhanced DNA repair activity following exposure to genotoxic stress.
Beyond chromosome capping dynamics, Epitalon is heavily investigated for its regulatory effects on the neuroendocrine system, specifically the pineal-hypothalamic axis. The pineal gland plays a central role in modulating biological rhythms via nocturnal secretion of melatonin, a process that undergoes marked attenuation during cellular and organismal aging.
Experimental data in aging primate and rodent models suggest that Epitalon exposure restores endogenous melatonin synthesis dynamics toward baseline juvenile profiles. This effect is thought to occur via epigenetic reactivation of pineal chromatin structures involved in the synthesis of rate-limiting enzymes like serotonin N-acetyltransferase (AANAT). Consequently, researchers utilize our Epitalon research peptide to study circadian entrainment, neuroendocrine signaling, and systemic homeostatic preservation in aged biological systems.
In experimental models of accelerated aging, Epitalon has yielded reproducible data regarding lifespan extension, tumor suppression, and systemic antioxidant capacity. Preclinical murine studies published in peer-reviewed literature demonstrate that long-term administration of Epitalon leads to a statistically significant decrease in spontaneous tumorigenesis and an extension of mean maximum lifespan in various rodent strains.
Furthermore, in vitro assays on primary endothelial and neuronal cultures show that Epitalon mitigates reactive oxygen species (ROS) accumulation, reduces lipid peroxidation markers such as malondialdehyde (MDA), and upregulates endogenous antioxidant enzymes including superoxide dismutase (SOD) and glutathione peroxidase (GPx). These observations position the compound as a foundational reagent in comparative cellular longevity assays available across our catalog of research compounds.
When constructing preclinical research protocols targeting aging mechanisms, investigators frequently compare Epitalon against other prominent bioregulatory and senolytic compounds. While Epitalon specifically targets telomerase expression and pineal gene regulation, other peptides influence distinct cellular pathways.
For instance, the Thymalin research compound acts primarily as an immunomodulatory short peptide derived from thymic tissue, regulating T-cell differentiation and immune surveillance rather than direct hTERT expression. Similarly, the GHK-Cu peptide functions as a tripeptide-copper complex focused on tissue remodeling, gene modulation, and extracellular matrix repair. For researchers studying targeted senolysis and clearance of senescent cells, the FoxO4-DRI peptide presents a complementary pathway by disrupting the FoxO4-p53 interaction to selectively induce apoptosis in senescent cell lines. Integrating these distinct mechanisms within comparative assay panels allows laboratories to map multidimensional anti-aging pathways.
For institutions searching to complete an epitalon peptide online bestellen order, verifying product authenticity and purity is critical to maintaining experimental validity. PX1 Research adheres to stringent analytical standards, subjecting every production lot to rigorous quality control before release.
Our validation protocol includes Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) to establish chemical purity (typically >98%), alongside Electrospray Ionization Mass Spectrometry (ESI-MS) to confirm exact molecular weight and structural identity. Every order includes access to a lot-specific Certificate of Analysis (COA) detailing these findings. Learn more about our testing methodologies by reviewing our analytical testing protocol.
Bacterial endotoxins—lipopolysaccharides (LPS) derived from Gram-negative bacterial cell walls—pose a major threat to cell culture viability and immunological research. Contaminating endotoxins can activate Toll-like receptor 4 (TLR4) pathways in vitro, triggering unintended inflammatory cascades that completely invalidate bioassay results.
PX1 Research enforces strict endotoxin screening using Chromogenic Recombinant Factor C (rFC) or Limulus Amebocyte Lysate (LAL) assays. All Epitalon batches released for laboratory distribution meet stringent limits (<0.01 EU/μg), ensuring that researchers receive ultra-pure material suitable for primary cell lines, stem cell culture, and delicate enzymatic assays.
Proper reconstitution technique is vital to maintain peptide stability and prevent physical aggregation or enzymatic degradation. Epitalon is delivered as a sterile, lyophilized cake inside vacuum-sealed glass vials.
To reconstitute Epitalon for laboratory procedures, technicians should strictly utilize sterile diluents such as Bacteriostatic Water (0.9% Benzyl Alcohol) or Sterile Normal Saline, depending on downstream assay requirements. Diluent should be introduced slowly down the inner glass wall of the vial, followed by gentle swirling without agitation or violent shaking, which could disrupt secondary structural interactions. For step-by-step calculations and solvent compatibility tables, refer to our comprehensive reconstitution guidelines.
Lyophilized Epitalon maintains excellent chemical stability when stored under appropriate environmental conditions. Unreconstituted vials should be kept sealed at -20°C for medium-term storage or -80°C for long-term preservation, protected from direct light exposure and atmospheric moisture.
Once reconstituted into aqueous solution, Epitalon should be aliquoted into single-use working volumes using sterile microcentrifuge tubes to avoid repeated freeze-thaw cycles. Reconstituted aliquots should be refrigerated at 2°C to 8°C and used within short experimental windows (typically 14–21 days) or frozen at -80°C for extended research schedules. PX1 Research ships all orders from facilities in California and Arizona using expedited thermal packaging to ensure temperature integrity upon delivery.
When purchasing research compounds online, working with a domestic US manufacturer eliminates common risks associated with international customs delays, unverified overseas suppliers, and inconsistent purity standards. PX1 Research serves as a trusted supplier for academic institutions, biotechnology firms, and independent research entities worldwide.
We provide streamlined fulfillment with same-day shipping on orders placed Monday through Friday before 12:00 PM PST. Whether sourcing individual analytical samples or establishing institutional supply agreements via our laboratory wholesale accounts, PX1 Research ensures uncompromised reagent quality backed by full analytical documentation. Explore our extensive research library hub for updated technical dossiers and comparative peptide literature.
What is the primary mechanism of Epitalon in cell culture research?
Epitalon (AEDG tetrapeptide) acts as a bioregulator that upregulates human telomerase reverse transcriptase (hTERT) gene expression, facilitating telomere length maintenance and extending replicative capacity in somatic cell lines.
What analytical purity level is guaranteed when sourcing Epitalon from PX1 Research?
PX1 Research guarantees a minimum purity of 98% for Epitalon, verified via lot-specific Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) and mass spectrometry analysis.
Can Epitalon be purchased for clinical or personal human use?
No. Epitalon and all products supplied by PX1 Research are strictly designated for laboratory research, in vitro assays, and preclinical animal models. They are not for human consumption, medical diagnosis, therapy, or clinical use.
How should lyophilized Epitalon be stored upon arrival at the laboratory?
Lyophilized Epitalon should be stored at -20°C for short- to medium-term storage, or -80°C for long-term storage, kept dry and protected from direct ultraviolet light.
What diluents are suitable for reconstituting Epitalon for bioassays?
Epitalon can be reconstituted using sterile Bacteriostatic Water or Phosphate-Buffered Saline (PBS), depending on the specific requirements of the downstream in vitro or cell culture protocol.
Does PX1 Research provide endotoxin test data for Epitalon?
Yes. Every production batch of Epitalon is tested via chromogenic LAL or rFC assays to ensure endotoxin levels remain below 0.01 EU/μg, protecting sensitive biological assays from contamination.
How does Epitalon differ from Thymalin in preclinical research?
Epitalon is a synthetic pineal-derived tetrapeptide primarily studied for telomerase activation and circadian rhythm regulation, whereas Thymalin is a thymic peptide complex focused on T-cell maturation and immune system modulation.
Where are PX1 Research compounds manufactured and shipped from?
All PX1 Research compounds are manufactured in domestic, GMP-compliant facilities within the USA and shipped directly from fulfillment centers in California and Arizona.
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.