Product Identifier: IGF-1 LR3 (Long R3 IGF-1)
Concentration: 1 milligram (1 mg) per sterile lyophilized vial
Inclusion: 1 vial of Bacteriostatic Water (0.9% Benzyl Alcohol) for reconstitution
Manufacturer: GenLabs
Application: For research use only. Not for human or veterinary consumption.
In the intricate world of cellular communication and tissue regeneration, Insulin-like Growth Factor-1 (IGF-1) stands as a pivotal mediator. GenLabs is proud to introduce its high-fidelity research-grade IGF-1 LR3 (Long R3 IGF-1), a meticulously engineered and significantly more potent analog of native IGF-1. Presented as a 1mg lyophilized powder alongside a complimentary vial of Bacteriostatic Water, this offering is designed for the exacting demands of advanced in vitro research. Our product represents a cornerstone for scientists and research institutions exploring the frontiers of cell proliferation, differentiation, repair mechanisms, and metabolic pathways.
IGF-1 LR3 is a recombinant 83-amino acid polypeptide, a modified version of the 70-amino acid native human IGF-1. The "LR3" denotes two critical modifications:
Substitution of Arginine for Glutamic Acid at position 3: This minor change subtly alters the molecule's interaction profile.
A 13-amino acid extension peptide at the N-terminus: This is the defining "Long R3" feature.
These deliberate modifications are not arbitrary; they are engineered to confer distinct advantages over the native form for research purposes, primarily by dramatically reducing its binding affinity for IGF-binding proteins (IGFBPs) in serum.
Native IGF-1 is rapidly bound and inactivated by a family of IGFBPs in biological fluids, which can limit its bioavailability and activity in experimental settings. The GenLabs IGF-1 LR3 variant is specifically designed to circumvent this limitation.
Enhanced Bioavailability & Prolonged Activity: The extended peptide chain and amino acid substitution significantly impair binding to most IGFBPs. This results in a research compound with vastly increased half-life and bioavailability in cell culture media and other research systems. Consequently, IGF-1 LR3 exhibits more potent and sustained activity, allowing researchers to observe effects with greater clarity and over extended observation periods.
Potent Mitogenic & Anabolic Signaling: Like native IGF-1, IGF-1 LR3 exerts its effects by binding to and activating the IGF-1 receptor (IGF-1R), a transmembrane tyrosine kinase receptor. This activation triggers two primary intracellular signaling cascades:
The MAPK/ERK Pathway: Primarily responsible for stimulating cellular proliferation (mitogenesis) and differentiation.
The PI3K/AKT/mTOR Pathway: Primarily responsible for promoting protein synthesis, glucose uptake, and inhibiting apoptosis (cell death), leading to hypertrophic and anabolic outcomes.
Research Applications: Due to its enhanced stability and potency, IGF-1 LR3 is an invaluable tool for investigating:
Myoblast & Skeletal Muscle Studies: Examining satellite cell activation, differentiation into myotubes, and muscle protein synthesis.
Chondrocyte & Osteoblast Research: Exploring cartilage formation, bone growth, and repair mechanisms.
Neurotrophic Effects: Studying neuronal survival, axonal growth, and potential protective mechanisms.
Fibroblast & Connective Tissue Research: Investigating collagen synthesis, skin repair, and wound healing models.
Metabolic Studies: Analyzing glucose metabolism and cellular nutrient uptake.
General Cell Culture: Promoting the health and proliferation of various difficult-to-culture cell lines.
Uncompromising Purity & Quality Assurance: Every batch of GenLabs IGF-1 LR3 is synthesized using state-of-the-art solid-phase peptide synthesis (SPPS) and undergoes rigorous purification via HPLC (High-Performance Liquid Chromatography). Each vial is accompanied by independent third-party laboratory analysis (COA) verifying peptide content, purity (typically >98%), and sterility.
Precise 1mg Dosage Format: The standardized 1mg per vial allows for accurate, reproducible dosing and simplifies calculation for your specific research protocols, ensuring consistency across experiments.
Included Bacteriostatic Water: We provide a sterile vial of Bacteriostatic Water (0.9% Benzyl Alcohol) with each peptide. This ready-to-use solvent ensures proper reconstitution while inhibiting bacterial growth in the multidose solution post-reconstitution, maintaining sterility for the duration of your research.
Sterile, Lyophilized Presentation: The peptide is provided as a sterile, lyophilized (freeze-dried) white powder in a sealed glass vial. This format guarantees stability during transport and long-term storage, protecting the integrity of the molecule.
Commitment to Research Integrity: GenLabs products are manufactured, packaged, and sold explicitly for laboratory research purposes. We serve only qualified research entities and do not condone or support unauthorized use.
Storage (Unreconstituted): Store the lyophilized peptide and Bacteriostatic Water at -20°C or below upon receipt. For long-term storage (over 6 months), -80°C is recommended. Keep the product in its original container, protected from light.
Reconstitution:
Aseptic Technique: Perform all steps in a sterile laminar flow hood using sterile instruments.
Slow Introduction of Solvent: Gently inject the Bacteriostatic Water down the side of the peptide vial, avoiding forceful direct stream onto the powder.
Gentle Reconstitution: Swirl the vial slowly or roll it between your hands until the powder is fully dissolved. Do not shake vigorously, as this can denature the peptide.
Concentration Calculation: The final concentration depends on the amount of Bacteriostatic Water used. For a standard 1mg vial, adding 1mL yields a concentration of 1000mcg/mL. Adding 2mL yields 500mcg/mL, etc.
Storage (Reconstituted): Once reconstituted with the provided Bacteriostatic Water, the solution should be stored refrigerated at 2-8°C and used within a timeframe appropriate for sterile, preservative-containing solutions (typically up to 30 days when handled aseptically). For extended usability, aliquoting and freezing at -20°C or -80°C is advised. Avoid repeated freeze-thaw cycles.
Intended Use: This product is labeled and sold FOR LABORATORY RESEARCH USE ONLY. It is not intended for diagnostic, therapeutic, or human consumption purposes.
Handling: The product should be handled only by qualified, trained researchers in appropriately equipped laboratory settings. Personal protective equipment (PPE) including gloves, lab coat, and eye protection must be worn.
Compliance: Purchasers are responsible for ensuring their compliance with all local, state, federal, and institutional regulations regarding the acquisition, storage, and use of research peptides.
GenLabs' IGF-1 LR3 – 1mg/vial represents the synthesis of cutting-edge peptide engineering and stringent quality control. Its enhanced potency, prolonged activity, and superior bioavailability make it an indispensable reagent for pioneering research into growth, repair, and metabolic processes at the cellular level. By providing this high-purity compound alongside the necessary reconstitution solution, GenLabs empowers the scientific community to conduct reliable, reproducible, and groundbreaking research with confidence.
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