Vilon is a synthetic short-chain dipeptide (Lysyl-Glutamic acid) widely investigated in preclinical studies for its interactions with chromatin structure and thymic nuclear signaling. PX1 Research provides analytical-grade Vilon synthesized under stringent quality control standards, supporting qualified academic and commercial laboratories across the United States with transparent, lot-specific verification.
Vilon is a synthetic short-chain dipeptide (Lysyl-Glutamic acid) widely investigated in preclinical studies for its interactions with chromatin structure and thymic nuclear signaling. PX1 Research provides analytical-grade Vilon synthesized under stringent quality control standards, supporting qualified academic and commercial laboratories across the United States with transparent, lot-specific verification.
When evaluating options to buy Vilon thymic support supplier material, research facilities require verifiable chemical purity, consistent batch-to-batch stoichiometry, and comprehensive analytical documentation. Vilon is a synthetic dipeptide composed of L-lysine and L-glutamic acid (Lys-Glu) engineered to mimic regulatory fragments derived from thymic peptide complexes. For robust in vitro assays and animal models, investigators must source Vilon that has undergone rigorous reverse-phase high-performance liquid chromatography (RP-HPLC) and mass spectrometry (MS) validation.
PX1 Research serves as a premier domestic supplier of analytical-grade research compounds, providing fully characterized Vilon dipeptide manufactured in US-based GMP-compliant facilities. Every lot is paired with an independent third-party Certificate of Analysis (COA) confirming identity, purity exceeding 98%, and minimal endotoxin burden. Laboratories seeking reliable procurement channels can browse our complete catalog of research peptides to support advanced immunological, cellular aging, and nuclear signaling experiments.
Vilon is categorized as a bioregulatory peptide belonging to the short-chain peptide class pioneered in peptide gerontology and chromatin dynamics research. Its molecular structure consists of the amino acid sequence H-Lys-Glu-OH, with a chemical formula of C11H21N3O5 and a molecular weight of approximately 275.3 g/mol. Due to its ultra-short sequence, Vilon exhibits unique thermodynamic stability and high aqueous solubility compared to larger polypeptides.
The short peptide motif allows Lys-Glu to interact directly with specific nucleotide sequences within the major and minor grooves of DNA. In cell culture models, the basic amino acid side chain of lysine combined with the acidic carboxylate of glutamic acid enables electrostatic binding to histone proteins and DNA double strands. This unique physicochemical profile makes Vilon a primary compound of interest when exploring non-histone protein displacement, epigenetic modulation, and transcriptional activation in vitro.
In vitro data indicate that Vilon functions primarily at the nuclear level by modulating chromatin architecture. Preclinical investigations demonstrate that Lys-Glu can induce decondensation of heterochromatin (dense, transcriptionally inactive chromatin) into euchromatin (accessible, active chromatin) in human lymphocyte cultures and cultured fibroblasts. This structural remodeling allows RNA polymerase complexes greater accessibility to promoter regions involved in cellular repair and protein synthesis.
Furthermore, animal studies suggest that Vilon influences gene expression profiles associated with immune cell function and cellular senescence. By reactivating transcription in silent genomic regions, researchers observe increased synthesis of key functional markers in aging cell lines. Investigations published in nuclear biology literature highlight Vilon’s capacity to alter histone acetylation dynamics, serving as a model compound for researching targeted epigenetic modifications without the use of viral vectors or synthetic small-molecule inhibitors.
The thymus gland undergoes progressive involution with age, marked by a decline in parenchymal tissue mass and reduced output of naive T lymphocytes. Preclinical animal models involving aged rodents indicate that administration of short thymic peptides such as Vilon may attenuate markers of age-related thymic atrophy. In these studies, researchers monitored T-cell differentiation markers, thymocyte proliferation rates, and cytokine secretion profiles.
Laboratory assays measuring splenocyte and thymocyte activity show that exposure to Vilon restores blast transformation responses following mitogenic stimulation. In vitro studies using cultured human peripheral blood mononuclear cells (PBMCs) report enhanced expression of interleukin-2 (IL-2) receptors and increased transcription of interferon-gamma genes. These observations suggest that Vilon acts as an immunomodulatory short sequence capable of stimulating compromised cell populations in controlled experimental settings. Detailed technical documentation on these cellular pathways is maintained within the PX1 research library hub.
Understanding how Vilon compares to other bioregulatory and thymic-derived peptides is essential when designing comparative experimental protocols. While Vilon is a synthetic dipeptide (Lys-Glu) focused specifically on targeted nuclear signaling and thymic gene reactivation, Epitalon dipeptide is a tetrapeptide (Ala-Glu-Asp-Gly) studied primarily for telomerase activation and pineal gland gene expression. Both short peptides share chromatin-decondensing properties but target distinct gene networks within specialized tissue models.
In contrast, crude or semi-purified extracts like Thymalin peptide complex contain a heterogeneous mixture of polypeptide fragments isolated from bovine thymus tissue, making exact stoichiometric control challenging across experimental replicates. Meanwhile, synthetic Thymosin Alpha-1 is a longer 28-amino acid polypeptide that interacts directly with surface-bound Toll-like receptors (TLR2 and TLR9) to initiate cytosolic kinase cascades. Vilon's small molecular footprint allows direct nuclear penetration and chromatin binding, distinguishing its primary mechanism of action from membrane-receptor-mediated signaling compounds.
To ensure experimental reproducibility and eliminate batch-dependent variances, researchers must scrutinize supplier verification protocols before purchasing Vilon. Substandard or unverified peptides frequently contain unreacted amino acid precursors, truncated sequences, organic solvents, or heavy metal contamination. Academic and industrial laboratories should insist on complete batch traceability verified by independent laboratories.
At PX1 Research, quality assurance begins with solid-phase peptide synthesis (SPPS) under strict ISO 17025 and GMP guidelines. Every production run undergoes rigorous testing, including:
- **RP-HPLC Analysis:** Confirms chemical purity by measuring peak area integration, ensuring >98% pure Lys-Glu dipeptide.
- **Electrospray Ionization Mass Spectrometry (ESI-MS):** Validates precise molecular weight and identity, confirming the absence of side-chain protecting groups.
- **Residual Solvent Screening:** Ensures total elimination of hazardous synthesis reagents such as dimethylformamide (DMF) and trifluoroacetic acid (TFA).
- **Physical Appearance Verification:** Guarantees a white, uniform lyophilized cake free of discoloration or particulates.
Bacterial endotoxins—lipopolysaccharides (LPS) derived from the outer membrane of Gram-negative bacteria—pose a significant threat to cell culture assays and immunological research. Presence of trace endotoxin levels can cause false-positive activation of immune receptors, obscuring the genuine biological activity of Vilon during in vitro investigations.
PX1 Research conducts quantitative Chromogenic Limulus Amebocyte Lysate (LAL) testing on every lot of Vilon. We enforce strict internal limits, guaranteeing endotoxin levels below 0.01 EU/mg. This rigorous standard ensures that observed cellular responses, such as cytokine upregulation or chromatin remodeling, stem entirely from the synthesized Lys-Glu dipeptide rather than background pyrogen contamination.
Proper handling and storage are critical to preserving the structural integrity and bioactivity of Vilon in laboratory settings. Lyophilized Vilon should be stored at -20°C upon receipt in a desiccated environment protected from light. Under these conditions, the unconstituted peptide maintains chemical stability for up to 24 months.
When preparing stock solutions for laboratory assays, researchers should follow standard sterile reconstitution techniques:
1. Equilibrate the glass vial to room temperature before opening to prevent moisture condensation inside the container.
2. Reconstitute using sterile bacteriostatic water or sterile phosphate-buffered saline (PBS, pH 7.4) depending on assay requirements. For detailed volumetric calculations, consult our inline peptide reconstitution calculator.
3. Gently swirl the vial to dissolve the powder completely. Avoid aggressive vortexing or sonication, which can introduce physical shear stress.
4. Aliquot reconstituted solutions into single-use microcentrifuge tubes and store at -80°C to minimize freeze-thaw cycles, which cause peptide degradation over time.
Supply chain volatility and overseas shipping delays can disrupt ongoing longitudinal research projects. PX1 Research eliminates these risks by maintaining fully domestic manufacturing, testing, and distribution centers located in California and Arizona. Orders placed Monday through Friday ship same-day, ensuring rapid delivery and cold-chain integrity across the United States.
We support high-throughput screening initiatives, university departments, and commercial biotechnology laboratories requiring bulk material. Principal investigators and laboratory procurement managers can establish institutional accounts through our wholesale peptide procurement portal to secure bulk pricing, dedicated account management, and reserved lot allocation for multi-phase study protocols.
What is Vilon used for in laboratory research?
Vilon (Lys-Glu) is a synthetic research dipeptide studied in preclinical models for its interactions with chromatin structure, nuclear gene expression, histone dynamics, and immunomodulatory mechanisms in aging cellular models.
How does PX1 Research verify the purity of Vilon?
PX1 Research verifies every batch of Vilon using reverse-phase high-performance liquid chromatography (RP-HPLC) to confirm >98% purity and mass spectrometry (MS) to verify precise molecular weight. Independent Certificates of Analysis (COAs) are published per lot.
What are the endotoxin limits for PX1 Research Vilon?
Every lot of Vilon undergoes Chromogenic LAL assay testing to confirm endotoxin levels are strictly controlled below 0.01 EU/mg, preventing background inflammatory artifacts in cell culture assays.
How should lyophilized Vilon be stored upon arrival?
Lyophilized Vilon should be stored at -20°C or -80°C in a dry, dark environment. Sealed vials remain stable for up to two years when stored under recommended freezer conditions.
What solvents are recommended for reconstituting Vilon for in vitro work?
Vilon is highly water-soluble and can be reconstituted using sterile bacteriostatic water, sterile normal saline (0.9% NaCl), or standard phosphate-buffered saline (PBS, pH 7.4) under a laminar flow hood.
What is the structural difference between Vilon and Thymalin?
Vilon is a single, pure synthetic dipeptide consisting strictly of Lysine and Glutamic acid (Lys-Glu). Thymalin is a complex, multi-peptide extract derived from bovine thymic tissue containing various uncharacterized protein fragments.
Where does PX1 Research manufacture and ship Vilon?
PX1 Research products are synthesized in US-based GMP-compliant facilities and shipped directly from distribution hubs in California and Arizona with same-day dispatch for orders placed Monday through Friday.
Is Vilon approved for human clinical use or administration?
No. Vilon supplied by PX1 Research is strictly sold as a research chemical for in vitro assays, cell culture experimentation, and preclinical laboratory study. It is not intended for human or veterinary medical use.
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.