Plasma Concentration Studies
IGF-1 LR3
Long R3 IGF-1
LR3-IGF-1
Long Arginine 3-IGF-1
CAS: 143045-27-6
An 83-amino acid synthetic analog of human insulin-like growth factor 1 with reduced binding protein affinity and extended half-life, studied for anabolic and tissue growth effects in preclinical research. Premium Research Peptide.
99%+ Purity
Purity Tested
Research Use Only
Laboratory Use
Peptide Profile
Peptide Type
Certificate of Analysis
Third Party Tested by Freedom Diagnostics
Compound Information
Technical specifications
What Is IGF-1 LR3?
How It Differs from Native IGF-1
Sources & References
Peer-reviewed research
Biochemical Journal
Insulin-like growth factor-I (IGF-I) and especially IGF-I variants are anabolic in dexamethasone-treated rats
1992 • DOI: 10.1042/bj2...
PMID: 1371669
Tomas FM, Knowles SE, Owens PC et al.
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Journal of Endocrinology
Superior potency of infused IGF-I analogues which bind poorly to IGF-binding proteins is maintained when...
1996 • DOI: 10.1677/joe...
PMID: 8708565
Tomas FM, Lemmey AB, Read LC,...
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Journal of Endocrinology
IGF-binding proteins are multifunctional and act via IGF-dependent and -independent...
2002 • DOI: 10.1677/joe...
PMID: 12379487
Mohan S, Baylink DJ
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American Journal of Pathology
IGF-1 has plaque-stabilizing effects in atherosclerosis by altering vascular smooth muscle cell phenotype
2011 • DOI: 10.1016/j.ajpath...
PMID: 21281823
von der Thüsen JH, Borensztajn KS,...
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Journal of Endocrinology
Long R3 insulin-like growth factor-I (IGF-I) infusion stimulates organ growth but reduces plasma IGF-I, IGF-...
1995 • DOI: 10.1677/joe...
PMID: 7561636
Conlon MA, Tomas FM, Owens PC et al.
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