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GH growth  hormone IGF-1 LR3
GH growth  hormone IGF-1 LR3
GH growth hormone IGF-1 LR3

Product name: IGF-1 LR3

CAS: 946870-92-4

MF: C400H625N111O115S9

Synonyms: Long r3 IGF-1, LR3 IGF, IGF1 LR3, Long Arg3 IGF-1

Peptide purity: > 98.0%

Appearance: White powder

Specification: 0.1mg/vial or 1mg/vial,  10 vials/box

Application: Pharm Intermediates or research

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GH growth hgh hormone igf lr3

IGF-1 LR3, also known as Long-Arginine-3-IGF-1, is an analogue of human IGF-1 that has been modified to include a 13 amino acid N-terminus extension and the substitution of Arginine for Glutamic Acid at position 3. As a result of these modifications, IGF-1 LR3 is approximately three times more potent than IGF-1 and possesses an increased half-life due to lowered affinity for binding to the Insulin-Like Growth Factor-Binding Proteins (IGFBPs). IGF-1 LR3 retains the ability to bind agonistically to the IGF-1 receptor with improved metabolic stability, relative to IGF-1.

The supplementation of mammalian cell cultures with Long R3 IGF-1 at a much lower concentration results in more highly elevated productivity than with standard concentrations of insulin and/or standard IGF-1. IGF-1 LR3 is more able to stimulate the type 1 IGF receptor and thus induce a higher level of activation of intracellular signaling, which is responsible for promoting cell proliferation and the inhibition of apoptosis.

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