To buy Pinealon peptide for in vitro or preclinical laboratory applications, research institutions require verifiable chemical purity, batch-to-batch consistency, and rigorous analytical documentation. PX1 Research provides synthetic Pinealon (L-glutamyl-L-aspartyl-L-arginine) manufactured in USA-based, GMP-compliant facilities with lot-specific Certificate of Analysis (COA) verification via RP-HPLC and MS analysis.
To buy Pinealon peptide for in vitro or preclinical laboratory applications, research institutions require verifiable chemical purity, batch-to-batch consistency, and rigorous analytical documentation. PX1 Research provides synthetic Pinealon (L-glutamyl-L-aspartyl-L-arginine) manufactured in USA-based, GMP-compliant facilities with lot-specific Certificate of Analysis (COA) verification via RP-HPLC and MS analysis.
When purchasing synthetic bioregulatory peptides for controlled experimental setups, principal investigators must prioritize analytical validation over non-certified commercial offerings. Pinealon is a synthetic short-chain tripeptide consisting of L-glutamic acid, L-aspartic acid, and L-arginine (Glu-Asp-Arg, or EDR). Investigated primarily within neurobiology, cellular senescence, and epigenetics, Pinealon belongs to the Khavinson class of peptide bioregulators designed to interact directly with specific genomic promoter regions.
Researchers seeking to buy Pinealon peptide must ensure that the material received possesses verified sequence integrity, high chromatographic purity, and minimal endotoxin burden. Low-grade preparations containing residual trifluoroacetic acid (TFA) or unreacted amino acid fragments can introduce confounding variables into sensitive cell culture or enzymatic assays. Exploring our all peptides catalog provides access to high-purity research compounds backed by transparent quality control standards.
Pinealon is defined by the primary sequence H-Glu-Asp-Arg-OH, with a molecular formula of C15H26N6O8 and a molecular weight of approximately 418.40 g/mol. As a hydrophilic tripeptide containing two acidic amino acid residues (glutamic acid and aspartic acid) coupled with a basic, positively charged side-chain residue (arginine), Pinealon exhibits specific zwitterionic behavior dependent on the pH of the reconstituted matrix.
In solid form, research-grade Pinealon is supplied as a lyophilized white powder to maintain conformational stability. The presence of charged side chains makes it highly soluble in aqueous buffer systems, such as bacteriostatic water or sterile phosphate-buffered saline (PBS). Understanding these physical properties is critical when designing in vitro protocols that evaluate peptide-DNA binding kinetics or transcriptomic responses.
Preclinical investigations demonstrate that short synthetic peptides like Pinealon can penetrate cellular and nuclear membranes without requiring active receptor-mediated transport mechanism. Once inside the nucleus, EDR tripeptides bind site-specifically to complementary double-stranded DNA sequences within histone-rich chromatin structures.
In vitro models suggest that EDR binding induces structural modifications in nucleosomes, promoting chromatin unwinding and altering transcription factor access to gene promoter regions. Specifically, research published in molecular biology journals indicates that Pinealon modulates the expression of genes involved in protein synthesis, antioxidant enzyme production (such as superoxide dismutase), and cell cycle regulation during oxidative stress assays. Researchers exploring genomic interactions can reference additional studies in our peptides research library.
In neuronal cell culture models, Pinealon has been evaluated for its capacity to mitigate reactive oxygen species (ROS) accumulation and suppress apoptotic signaling cascades. Exposure of primary cortical neurons or neuroblastoma cell lines to hypoxia or excitotoxic concentrations of glutamate typically leads to mitochondrial dysfunction and cell death.
Experimental data indicate that pre-treatment of neuronal cultures with Pinealon reduces caspase-3 activation, stabilizes mitochondrial membrane potential, and limits lipid peroxidation. Furthermore, preclinical animal studies investigating central nervous system aging demonstrate that EDR tripeptide administration is associated with restored expression of neurotrophic factors, such as brain-derived neurotrophic factor (BDNF), suggesting a role in maintaining synaptic plasticity under simulated degenerative conditions.
Historically developed to study pineal gland physiology and neuroendocrine signaling, Pinealon derives its name from its studied interaction with pineal parenchymal cells. The pineal gland plays a central role in regulating circadian rhythms via the synthesis and secretion of melatonin.
In organotypic pineal tissue slice cultures, researchers have measured the effect of Pinealon exposure on N-acetyltransferase (NAT) activity and melatonin output. Preclinical evidence suggests that short bioregulatory peptides help normalize cyclic hormone synthesis in aged pineal tissues by restoring transcription rates of key rate-limiting enzymes, providing a foundational model for chronobiology research.
To properly contextualize Pinealon within peptide research, it is essential to compare its structural complexity and functional target range with other small bioregulating peptides and synthetic neuropeptides. Bioregulators generally operate via epigenetic gene regulation, whereas classical neuropeptides act through membrane-bound G-protein coupled receptors (GPCRs).
For example, while Pinealon (EDR) targets nuclear chromatin to modulate baseline transcription, the pineal bioregulator Epitalon (Ala-Glu-Asp-Gly) is predominantly investigated for its effects on telomerase activity and telomere length regulation. Conversely, synthetic neuropeptides such as Semax and Selank act via rapid transmembrane signaling to influence monoaminergic neurotransmission and neurotrophin expression, as detailed in our Cortagen research guide. Comparing these distinct modes of action allows researchers to select the precise peptide mechanism required for their specific laboratory model.
Proper handling of lyophilized peptides is mandatory to preserve bioactivity and prevent sample degradation. Upon receipt, lyophilized Pinealon vials should be stored at -20°C or -80°C in a desiccated environment away from light.
Reconstitution protocols require strict adherence to aseptic techniques within a laminar flow hood:
1. Allow the vial to equilibrate to room temperature before opening to prevent condensation from forming on the lyophilized cake.
2. Reconstitute using an appropriate solvent, such as sterile laboratory-grade water, bacteriostatic water, or sterile PBS, depending on downstream assay parameters.
3. Direct the solvent along the glass inner wall of the vial rather than directly onto the lyophilized powder cake to avoid agitation-induced aggregation.
4. Gently swirl the vial until the peptide completely dissolves; never vortex.
5. Aliquot the stock solution into single-use cryogenic vials to minimize freeze-thaw cycles, and store aliquots at -80°C for long-term experimental use.
Sourcing peptides for experimental rigor requires validating the supplier's analytical assay methodologies. PX1 Research subjects every lot of Pinealon to dual-method verification prior to release:
- **Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC):** Verifies chemical purity levels. PX1 Research guarantees purity thresholds exceeding 98-99%, ensuring the removal of truncated sequences and organic impurities.
- **Electrospray Ionization Mass Spectrometry (ESI-MS):** Confirms absolute molecular weight and structural identity against theoretical mass spectrum values.
- **Endotoxin Analysis (LAL Assay):** Ensures bacterial endotoxin levels remain strictly below <0.1 EU/mg, preventing unwanted inflammatory activation in sensitive cell cultures.
Institutions operating under strict research compliance frameworks can establish institutional supply channels through our dedicated wholesale laboratory account portal.
PX1 Research is an established USA-based supplier of research peptides, catering exclusively to universities, private laboratories, and biotechnology research facilities. By maintaining absolute domestic control over synthesis, lyophilization, and analytical packaging, PX1 eliminates the supply chain uncertainties associated with unverified overseas distributors.
Key operational standards include same-day shipping on orders placed Monday through Friday, dispatching directly from specialized distribution hubs in California and Arizona. Every shipment includes lot-matched COAs issued by independent, ISO 17025-accredited analytical laboratories.
What is the primary chemical structure of Pinealon?
Pinealon is a synthetic tripeptide consisting of three amino acids: L-glutamic acid, L-aspartic acid, and L-arginine (Glu-Asp-Arg or EDR), with a molecular weight of 418.40 g/mol.
How does Pinealon differ from Epitalon?
While both are Khavinson bioregulatory peptides, Pinealon is a tripeptide (Glu-Asp-Arg) focused primarily on neuronal oxidative stress and gene expression models, whereas Epitalon is a tetrapeptide (Ala-Glu-Asp-Gly) widely studied for its interactions with telomerase activity.
What purity standard does PX1 Research guarantee for Pinealon?
PX1 Research guarantees a minimum purity of 98% (typically exceeding 99%) as verified by lot-specific Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC).
Is Pinealon provided for human therapeutic use or clinical trial administration?
No. Pinealon supplied by PX1 Research is strictly designated for laboratory research use only (in vitro and preclinical animal research). It is not intended for human or veterinary use, medical treatment, or clinical administration.
How should reconstituted Pinealon be stored in the lab?
Once reconstituted with an appropriate sterile diluent, Pinealon stock solutions should be aliquoted into single-use vials and stored at -20°C or -80°C to prevent degradation and avoid multiple freeze-thaw cycles.
What analytical testing documentation accompanies PX1 Research products?
Every lot is accompanied by a third-party Certificate of Analysis (COA) incorporating RP-HPLC chromatograms, mass spectrometry (MS) reports, and Limulus Amebocyte Lysate (LAL) endotoxin test results.
From where are PX1 Research products shipped?
All orders are manufactured in US facilities and shipped directly from domestic distribution centers located in California and Arizona, with same-day shipping available for orders processed Monday through Friday.
What is the recommended solvent for dissolving Pinealon powder?
Pinealon is highly hydrophilic and readily dissolves in sterile laboratory-grade water, bacteriostatic water, or sterile phosphate-buffered saline (PBS) depending on assay requirements.
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.