IGF-1 LR3

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IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a synthetic 83-amino acid analog of human IGF-1 with an arginine substitution at position 3 and an extended N-terminal sequence. These modifications reduce binding affinity to IGF-binding proteins (IGFBPs), significantly extending its half-life compared to native IGF-1. It has been extensively studied for its activity at IGF-1 receptors in cellular proliferation, muscle satellite cell activation, and anabolic signaling research models. Show more