When sourcing research-grade bioregulatory peptides, identifying a verified supplier is critical to ensuring experimental reproducibility. PX1 Research provides high-purity Vilon (Lys-Glu) dipeptide manufactured under strict ISO 17025 and GMP-compliant guidelines for preclinical gastrointestinal and cellular assays.
When sourcing research-grade bioregulatory peptides, identifying a verified supplier is critical to ensuring experimental reproducibility. PX1 Research provides high-purity Vilon (Lys-Glu) dipeptide manufactured under strict ISO 17025 and GMP-compliant guidelines for preclinical gastrointestinal and cellular assays.
When evaluating options to buy vilon gastrointestinal support supplier materials, research institutions require verifiable batch analytical data, including high-performance liquid chromatography (HPLC) purity verification exceeding 98%, mass spectrometry (ESI-MS) identity confirmation, and quantitative endotoxin testing (<0.01 EU/mg). PX1 Research supplies USA-manufactured Vilon (Lys-Glu) synthesized under ISO 17025 and GMP-compliant conditions strictly for laboratory and in vitro investigation.
Selecting an established domestic supplier ensures that peptide sequences retain structural integrity without degradation caused by uncontrolled cross-border transit conditions. Investigators seeking reliable reagents for cell culture assays, gene expression analysis, or epithelial barrier studies can explore our comprehensive catalog of research peptides to support standardized experimental models.
Vilon is a synthetic short-chain bioregulatory dipeptide consisting of L-lysine and L-glutamic acid (Lys-Glu, molecular formula C11H21N3O5, CAS Number 99403-81-3). With a molecular weight of approximately 275.3 g/mol, its short sequence allows for rapid diffusion and interaction with nuclear structures in cell culture models.
Because of its hydrophilic nature and dual amino acid composition, maintaining high chemical purity during solid-phase peptide synthesis (SPPS) is essential to prevent truncated impurities or racemic side-products. Laboratories sourcing Vilon dipeptide must ensure that structural verification is confirmed via electrospray ionization mass spectrometry to validate peptide sequence accuracy prior to assay execution.
In vitro and ex vivo preclinical literature indicates that Vilon interacts directly with chromatin structure within somatic and epithelial cells. Studies suggest that short bioregulatory peptides like Lys-Glu induce chromatin decondensation, altering the accessibility of specific promoter regions to RNA polymerases and transcription factors.
Preclinical models evaluating Vilon cellular mechanisms demonstrate that Lys-Glu exposure modulates expression patterns of genes governing ribosomal RNA synthesis, protein translation, and cellular senescence markers. These epigenetic interactions provide a foundation for investigating how short peptide sequences influence cellular longevity and repair mechanisms in gut epithelial models.
Research evaluating gastrointestinal tissue dynamics often utilizes in vitro models, such as Caco-2 cell monolayers or IEC-6 intestinal epithelial cell lines, to examine barrier function and cell proliferation. Preclinical studies suggest that Vilon dipeptide may influence the transcription of tight junction proteins (e.g., occludin, claudin-1) and stimulate localized mucosal cell renewal under oxidative or cytokine-induced stress.
In rodent models of intestinal mucosal injury, administration of Lys-Glu has been studied for its capacity to reduce inflammatory cytokine release (such as TNF-alpha and IL-6) and support mucosal architecture restoration. These investigations highlight Vilon as a promising candidate for evaluating barrier integrity, intestinal permeability, and cellular recovery protocols.
To contextualize Vilon within peptide research, investigators frequently compare short bioregulatory dipeptides and tripeptides against longer synthetic compounds targeting tissue repair. While Vilon (Lys-Glu) acts primarily through epigenetic gene expression pathways and chromatin remodeling, compounds such as BPC-157 target angiogenic pathways and growth factor expression (such as VEGF and FAK signaling).
Similarly, research involving Epitalon focuses on telomerase induction and pineal gland gene expression, whereas Vilon demonstrates localized regulatory activity in immune and epithelial tissues. For broader gastrointestinal barrier research, scientists often evaluate BPC-157 gastrointestinal research alongside Khavinson-type bioregulatory dipeptides to assess synergistic or distinct mechanistic pathways.
Evaluating a supplier for research-grade peptides requires examining raw analytical data rather than unverified commercial claims. PX1 Research provides transparent, lot-specific Certificates of Analysis (COAs) independently generated by third-party ISO 17025 accredited testing facilities.
Quality verification standards must include reverse-phase HPLC (RP-HPLC) chromatograms demonstrating greater than 98% purity, matrix-assisted laser desorption/ionization (MALDI) or ESI mass spectra confirming correct molecular mass, and quantitative chromogenic LAL assays validating minimal endotoxin load. This rigorous verification prevents confounding variables in delicate cell culture or enzymatic assays.
Endotoxin contamination (lipopolysaccharides from Gram-negative bacteria) can severely compromise cell culture studies by triggering non-specific immune activation, altering cytokine profiles, and causing premature cell death. In gastrointestinal research assays, residual endotoxins distort experimental measurements of intestinal permeability and tight junction stability.
PX1 Research enforces strict bioburden and endotoxin limits (<0.01 EU/mg) across all synthesized lots. Our cleanroom facilities operate under GMP-compliant procedures to ensure that every sample delivered to your laboratory is free from biological contaminants that could skew publication-grade data. Researchers can access detailed technical documentation through our central PX1 Research Hub.
Vilon is supplied as a lyophilized (freeze-dried) powder to maximize chemical stability during storage. For optimal shelf life, unopened vials should be stored at -20°C in a dry, dark environment. Upon arrival, vials should be allowed to equilibrate to room temperature before opening to prevent moisture condensation within the container.
Reconstitution should be performed under sterile laminar flow using sterile bacteriostatic water, sterile normal saline (0.9% NaCl), or phosphate-buffered saline (PBS), depending on the requirements of your specific assay. Once reconstituted, liquid aliquots should be frozen at -20°C or -80°C to avoid repeated freeze-thaw cycles, which can cause peptide bond hydrolysis.
Academic institutions, biotechnology firms, and contract research organizations (CROs) requiring large quantities of standardized peptides benefit from centralized procurement workflows. Consistent batch manufacturing reduces inter-experimental variance across multi-phase study designs.
PX1 Research offers dedicated support for high-volume orders, multi-lot reservation, and custom batch testing through our PX1 wholesale program. Orders ship directly from our state-of-the-art facilities located in California and Arizona, with same-day shipping available for orders placed Monday through Friday before cut-off times.
What is the purity level of Vilon supplied by PX1 Research?
Every lot of Vilon dipeptide supplied by PX1 Research undergoes rigorous third-party testing via RP-HPLC to ensure analytical purity levels of 98% or higher.
What documentation is provided with each shipment?
Each batch includes a lot-specific Certificate of Analysis (COA) containing raw RP-HPLC chromatograms, electrospray mass spectrometry (ESI-MS) spectra, and endotoxin assay results.
How should lyophilized Vilon be stored upon receipt?
Lyophilized Vilon should be stored at -20°C in a desiccated environment away from light. Under these conditions, the peptide remains stable for extended research periods.
What diluents are recommended for reconstituting Vilon for cell culture?
For in vitro assays, researchers typically reconstitute Vilon using sterile phosphate-buffered saline (PBS), sterile water for injection, or assay-specific culture media under sterile conditions.
What is the molecular formula and weight of Vilon?
Vilon (Lys-Glu dipeptide) has a chemical formula of C11H21N3O5 and a molecular weight of approximately 275.3 g/mol.
Are PX1 Research compounds approved for human consumption?
No. All products sold by PX1 Research are strictly intended for laboratory research and in vitro or preclinical investigation. They are not for human or veterinary medical use.
What are the endotoxin limits for PX1 Research peptides?
PX1 Research mandates strict endotoxin controls, keeping levels below 0.01 EU/mg to prevent confounding cell culture responses.
Where are PX1 Research products manufactured and shipped from?
All PX1 Research compounds are synthesized in GMP-compliant, ISO 17025 accredited facilities within the United States 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.