KPV 10mg — Vial Spec, Reconstitution Math & COA
The KPV 10mg research vial provides high-purity Lys-Pro-Val tripeptide engineered specifically for standardized in vitro assays and preclinical animal model trials. Designed for research laboratories investigating mucosal integrity and inflammatory pathway modulation, this unit quantity ensures reliable aliquot preparation while minimizing thaw-freeze degradation cycles.
Quick answer
The KPV 10mg research vial provides high-purity Lys-Pro-Val tripeptide engineered specifically for standardized in vitro assays and preclinical animal model trials. Designed for research laboratories investigating mucosal integrity and inflammatory pathway modulation, this unit quantity ensures reliable aliquot preparation while minimizing thaw-freeze degradation cycles.
Key takeaways
- A standard [KPV 10mg](/product/kpv-10mg) vial contains precisely 10 milligrams of the lyophilized tripeptide Lysine-Proline-Valine (Lys-Pro-Val), representing the C-terminal sequence of alpha-melanocyte-stimulating hormone (alpha-MSH).
- [KPV](/research-peptides/kpv) is a tripeptide fragment derived from alpha-MSH, retaining significant anti-inflammatory signaling activity without displaying pigmentary properties associated with melanocortin receptor activation.
- A primary focus of current research involves investigating [KPV](/research-peptides/kpv)'s role in gastrointestinal tract inflammation and barrier integrity.
- When designing protocols for epithelial barrier maintenance and tissue repair, research groups often evaluate [KPV](/research-peptides/kpv) alongside related signaling peptides.
Overview of KPV 10mg Vial Specifications & Laboratory Applications
A standard KPV 10mg vial contains precisely 10 milligrams of the lyophilized tripeptide Lysine-Proline-Valine (Lys-Pro-Val), representing the C-terminal sequence of alpha-melanocyte-stimulating hormone (alpha-MSH). In academic and industrial laboratory settings, this specific 10mg mass is selected by researchers running high-throughput assays or extended preclinical animal protocols where consistent concentration batching is mandatory.
Principal investigators and research technicians utilize the 10mg format primarily because it strikes an optimal balance between volumetric preparation efficiency and peptide stability. When working with our comprehensive catalog of research peptides, selecting an appropriate mass per vial ensures that working solutions can be reconstituted, aliquoted into single-use microcentrifuge tubes, and stored without risking degradation from repetitive freeze-thaw cycles.
Biochemical Structure and Action Mechanisms of Lys-Pro-Val
KPV is a tripeptide fragment derived from alpha-MSH, retaining significant anti-inflammatory signaling activity without displaying pigmentary properties associated with melanocortin receptor activation. Biochemical research indicates that KPV acts intracellularly to attenuate pro-inflammatory cytokine cascades. Preclinical studies suggest that KPV enters epithelial cells via the peptide transporter 1 (PepT1), a membrane transporter overexpressed in inflamed intestinal tissue.
In vitro assays demonstrate that upon PepT1-mediated endocytosis, KPV inhibits the translocation of nuclear factor kappa B (NF-κB) into the cell nucleus. By preventing NF-κB binding to promoter regions, the peptide suppresses the transcription of inflammatory mediators including TNF-alpha, IL-6, and IL-1 beta. Consequently, researchers frequently employ KPV in cell cultures to study mucosal signaling, tight junction maintenance, and the down-regulation of hyper-reactive immune responses.
Preclinical Models: Intestinal Barrier Integrity and Colitis Studies
A primary focus of current research involves investigating KPV's role in gastrointestinal tract inflammation and barrier integrity. In rodent models of dextran sulfate sodium (DSS)-induced colitis, administration of KPV has been shown to decrease histological inflammation scores, preserve goblet cell population density, and reduce myeloperoxidase (MPO) activity within colonic tissue samples.
Cellular assays utilizing Caco-2 cell monolayers further demonstrate that KPV exposure helps maintain transepithelial electrical resistance (TEER) when cells are challenged with inflammatory cytokines. These findings suggest that KPV plays an integral structural and signaling role in stabilizing mucosal barriers, making it a pivotal tool for laboratories evaluating target therapies for inflammatory bowel diseases and intestinal hyperpermeability.
Comparative Analysis: KPV vs. Related Mucosal and Inflammatory Peptides
When designing protocols for epithelial barrier maintenance and tissue repair, research groups often evaluate KPV alongside related signaling peptides. Understanding the biochemical distinctions between these compounds allows principal investigators to select the exact molecular tool required for their specific pathway assays.
While KPV targets intracellular NF-κB signaling via PepT1 cellular uptake, BPC-157 operates through growth factor receptor activation and focal adhesion kinase pathways to promote angiogenesis and cellular migration. Concurrently, compounds such as Larazotide function primarily as tight junction regulatory antagonists to prevent zonula occludens breakdown, while antimicrobial peptides like LL-37 modulate host immune responses alongside direct pathogen neutralization. Evaluating KPV within this cluster helps researchers isolate specific pathways responsible for cellular preservation.
Exact Reconstitution Calculations for a KPV 10mg Vial
Reconstituting a 10mg vial of KPV requires precise volumetric mathematical calculations to yield working concentrations suited for micro-pipetting in cellular assays or animal dosing models. Laboratory technicians should utilize sterile Bacteriostatic Water (0.9% benzyl alcohol) or sterile PBS depending on the target assay sensitivity.
To achieve target concentrations from a standard 10mg vial, reference the following reconstitutions: - **1.0 mL Diluent Added:** Yields a final concentration of **10.0 mg/mL** (10 µg/µL). - **2.0 mL Diluent Added:** Yields a final concentration of **5.0 mg/mL** (5 µg/µL). - **3.0 mL Diluent Added:** Yields a final concentration of **3.33 mg/mL** (3.33 µg/µL). - **5.0 mL Diluent Added:** Yields a final concentration of **2.0 mg/mL** (2.0 µg/µL). Researchers can utilize our online interactive reconstitution calculator to quickly verify custom volumes and unit conversions prior to laboratory preparation.
Aliquot Management and Long-Term Laboratory Storage Protocols
Lyophilized KPV 10mg vials should be stored upon arrival at -20°C in a desiccated, dark environment to maintain structural integrity. In lyophilized form at sub-zero temperatures, the tripeptide maintains high stability for up to 24 months. Exposure to moisture and ambient room temperatures should be strictly minimized prior to reconstitution.
Once reconstituted with appropriate solvent, the liquid solution should be aliquoted into single-use polypropylene micro-centrifuge tubes (e.g., 50 µL to 200 µL per tube) and immediately frozen at -20°C or -80°C. Avoiding repeated freeze-thaw cycles prevents peptide bond degradation and ensures concentration consistency across multi-week experimental timelines. Reconstituted solutions should generally be used within 30 to 45 days.
Analytical Verification: High-Performance Liquid Chromatography (HPLC) and MS
To guarantee experimental reproducibility, analytical verification of peptide purity and molecular mass is paramount. Every production batch of PX1 Research KPV undergoes strict Quality Control (QC) validation using High-Performance Liquid Chromatography (HPLC) coupled with Mass Spectrometry (MS).
HPLC analysis verifies chemical purity by isolating the principal KPV peak from synthesis byproducts, requiring a minimum purity threshold of ≥98.0%. Mass Spectrometry confirms the exact molecular weight (342.44 g/mol) of the Lys-Pro-Val tripeptide sequence. Laboratories can access verified batch data directly through our open lot-matched COA repository.
Endotoxin Verification for Cell Culture and Preclinical Assays
For researchers conducting delicate cell culture assays or in vivo animal studies, bacterial endotoxin contamination represents a major confounding variable capable of altering cellular responses and invalidating experimental results. Lipopolysaccharides (LPS) can stimulate immune receptors independently of the peptide being evaluated.
PX1 Research enforces stringent endotoxin limits on all research compounds. Using the Limulus Amebocyte Lysate (LAL) assay, every lot of KPV 10mg is verified to contain endotoxin levels well below industry thresholds (<0.01 EU/mg). This level of testing ensures that observed cellular changes are strictly attributable to KPV action rather than background pyrogen activity.
Selecting Strategic Formats: 10mg vs. Alternative Vial Masses
Choosing between a 10mg KPV vial format and smaller or larger quantities depends primarily on experimental scale, subject group sizes, and protocol duration. The 10mg format offers high utility for laboratories conducting medium-to-large rodent cohort studies requiring daily dosing regimens over several weeks.
Conversely, for preliminary pilot studies or single-plate in vitro cell culture assays, smaller vial sizes may be preferable to minimize excess reconstituted material. For high-throughput industrial screening platforms requiring bulk volume commitments, principal investigators can coordinate directly with our team via our dedicated bulk and lab account wholesale portal to structure custom fill sizing and production schedules.
Institutional Account Procurement and Supply Chain Integrity
PX1 Research operates strictly within GMP-compliant manufacturing environments and ISO 17025 accredited analytical laboratories located entirely within the United States. All orders ship directly from centralized facilities in California and Arizona, guaranteeing rapid handling and thermal stability management throughout transit.
Academic institutions, biotechnology firms, and contract research organizations (CROs) can review detailed scientific literature, safety data sheets, and analytical documentation via our centralized scientific research library. Orders placed prior to daily cutoff times ship same-day (Monday through Friday) to support uninterrupted laboratory workflow schedules.
Frequently Asked Questions
What is the primary research application of a KPV 10mg vial?
KPV 10mg is utilized in preclinical research to study inflammatory signaling pathways, specifically the inhibition of NF-κB activation and the preservation of mucosal barrier integrity in intestinal epithelial cell models.
How should a KPV 10mg vial be reconstituted for a 5 mg/mL concentration?
To achieve a 5 mg/mL concentration, add exactly 2.0 mL of sterile diluent (such as Bacteriostatic Water or sterile PBS) to the 10mg KPV vial.
Where can I view the lot-matched Certificate of Analysis (COA) for KPV 10mg?
Lot-matched COAs featuring HPLC purity chromatograms and Mass Spectrometry reports are publicly accessible via the PX1 Research COA portal using the lot number printed on your vial.
What is the chemical structure and molecular weight of KPV?
KPV is a tripeptide with the amino acid sequence Lysine-Proline-Valine (Lys-Pro-Val) and a molecular weight of approximately 342.44 g/mol.
What endotoxin standards apply to PX1 Research KPV 10mg vials?
PX1 Research subjects all KPV lots to LAL endotoxin testing, ensuring levels remain strictly below 0.01 EU/mg to prevent background pyrogenic interference in cell culture and animal models.
How should reconstituted KPV solutions be stored?
Reconstituted KPV should be aliquoted into single-use tubes and stored at -20°C or -80°C to prevent degradation. Avoid repeated freeze-thaw cycles.
Can KPV 10mg be ordered in bulk for institutional research?
Yes, academic institutions and commercial laboratories requiring bulk quantities or specialized packaging can submit request details through the PX1 Research wholesale portal.
How does KPV enter target intestinal epithelial cells?
Preclinical data show that KPV is actively transported across cell membranes via the peptide transporter 1 (PepT1), which is upregulated during inflammatory conditions.
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