IGF-1 LR3

"Our muscle biology research lab at an independent research group in Berlin has been using LyzeLabs IGF-1 LR3 for myogenesis studies for 12 months. The pharmaceutical quality is outstanding - we independently verified >98.9% purity via HPLC and mass spec confirmed the 83-amino acid structure (molecular weight 9118 Da matching theoretical for LR3 with Arg3 and N-terminal extension). Our research investigates IGF-1 LR3's enhanced bioavailability vs native IGF-1 - primary mouse myoblast proliferation assays show robust dose-dependent increase (BrdU incorporation quantification) with EC50 ~1.8 nM, and differentiation studies demonstrate accelerated myotube formation and enhanced myosin heavy chain expression (immunofluorescence). We validated reduced IGFBP binding using surface plasmon resonance - IGF-1 LR3 shows 800-fold lower IGFBP-3 affinity vs native IGF-1, confirming the Arg3 modification successfully disrupted binding protein interactions. Signaling studies show sustained AKT phosphorylation (Ser473 Western blot) for 24+ hours post-IGF-1 LR3 treatment vs native IGF-1's transient 1-2h activation, demonstrating extended half-life from reduced IGFBP sequestration. mTOR pathway analysis (phospho-p70S6K, phospho-4E-BP1, phospho-S6) confirms robust protein synthesis signaling. Protein synthesis assays using [3H]-leucine incorporation show IGF-1 LR3 stimulates translation 3.2-fold over 24h period vs native IGF-1 requiring continuous supplementation. The IG01 specification supports our dose-response myoblast screening perfectly, while IG1 serves extended muscle regeneration protocols. Delivery to Berlin takes 10-12 days with cold-chain packaging. Premier long-acting IGF-1 analog for muscle research internationally."

2025-11-17

"Second order, same quality as the first. They answer questions before you buy, which is rare."

2025-11-14

"Reliable for assay controls. Been steady across a few orders."

2025-11-11