Description

Advanced Research Peptides: IGF-1 LR3

IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a synthetic, highly modified 83-amino acid analog of human insulin-like growth factor-1. Engineered with an arginine substitution for glutamic acid at position 3 and a 13-amino acid N-terminal extension sequence, this research peptide exhibits significantly reduced binding affinity for IGF binding proteins (IGFBPs). This architectural modification dramatically increases its active half-life and biological availability in laboratory environments compared to native IGF-1.

Technical & Product Specifications

• Sample Size: 1mg

• Purity: >99% Purity (HPLC Verified)

• Molecular Weight: ~9,117.6 g/mol

• Appearance: White Lyophilized Powder

• Storage: Store at -20℃ (Lyophilized)

• CAS No.: 946870-92-4

Biological Mechanism and Cell Signaling

In cellular and molecular research, the igf-1 lr3 peptide serves as a vital tool for examining satellite cell activation, muscle cell hyperplasia, and protein synthesis pathways. Because native IGF-1 is rapidly neutralized by IGFBPs, structural modification allows researchers to analyze uninterrupted receptor binding to the IGF-1 receptor (IGF-1R) and downstream Akt/mTOR signaling pathways:

• Cell Proliferation: Promotes the division and growth of satellite cells, facilitating tissue regeneration studies.

• Nutrient Transport: Enhances cellular uptake of amino acids and glucose, optimizing intracellular metabolic rates.

• Inhibition of Apoptosis: Suppresses programmed cell death in metabolic and neuromuscular culture assays.

Laboratory Assay Guidelines & Experimental Design

When establishing experimental protocols, determining precise igf-1 lr3 dosage parameters within cell culture media is vital for maintaining physiological accuracy and preventing receptor desensitization. Researchers studying long-term cellular kinetics must structure timing parameters carefully; establishing a consistent igf-1 lr3 cycle dosage framework ensures baseline receptor sensitivity is preserved across extended incubation periods.

Sourcing High-Purity Research Reagents

For analytical laboratories, biopharmaceutical institutions, and academic facilities seeking verified igf-1 lr3 for sale, securing analytical-grade material free from endotoxins and contaminants is essential. Receptor Chemicals provides meticulously tested, high-purity research compounds backed by strict quality verification to guarantee structural integrity and reproducible experimental outcomes across all biochemical applications.