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Function. Approximately 98% of IGF-1 is always bound to one of six binding proteins (IGF-BP). IGFBP-3, the most abundant protein, accounts for 80% of all IGF binding. IGF-1 binds to IGFBP-3 in a 1:1 molar ratio. IGF-BP also binds to IGF-1 inside the liver, allowing growth hormone to continuously act upon the liver to produce more IGF-1.
Function. This gene is a member of the Insulin-like growth factor-binding protein (IGFBP) family and encodes a protein with an IGFBP domain and a type-I thyroglobulin domain. The protein binds both insulin-like growth factors (IGFs) I and II and circulates in the plasma. Binding of this protein prolongs the half-life of the IGFs and alters ...
The insulin-like growth factors (IGFs) are proteins with high sequence similarity to insulin. IGFs are part of a complex system that cells use to communicate with their physiologic environment. This complex system (often referred to as the IGF "axis") consists of two cell-surface receptors (IGF1R and IGF2R), two ligands (IGF-1 and IGF-2), a ...
[7] IGF-1 is a protein that in humans is encoded by the IGF1 gene. [8] [9] IGF-1 consists of 70 amino acids in a single chain with three intramolecular disulfide bridges. IGF-1 has a molecular weight of 7,649 daltons. [10] In dogs, an ancient mutation in IGF1 is the primary cause of the toy phenotype. [11] IGF-1 is produced primarily by the liver.
IGFBP7. Insulin-like growth factor-binding protein 7 is a protein that in humans is encoded by the IGFBP7 gene. [5][6][7] The major function of the protein is the regulation of availability of insulin-like growth factors (IGFs) in tissue as well as in modulating IGF binding to its receptors. IGFBP7 binds to IGF with low affinity compared to ...
18518 Ensembl ENSG00000089289 ENSMUSG00000031221 UniProt P78318 Q61249 RefSeq (mRNA) NM_001551 NM_001370192 NM_001370193 NM_001370194 NM_008784 RefSeq (protein) NP_001542 NP_001357121 NP_001357122 NP_001357123 NP_032810 Location (UCSC) Chr X: 70.13 – 70.17 Mb Chr X: 99.54 – 99.56 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Immunoglobulin-binding protein 1 is a protein that in ...
IGFBP3. Insulin-like growth factor-binding protein 3, also known as IGFBP-3, is a protein that in humans is encoded by the IGFBP3 gene. IGFBP-3 is one of six IGF binding proteins (IGFBP-1 to IGFBP-6) that have highly conserved structures and bind the insulin-like growth factors IGF-1 and IGF-2 with high affinity.
The protein binds both insulin-like growth factors (IGFs) I and II and circulates in the plasma in both glycosylated and non-glycosylated forms. Binding of this protein prolongs the half-life of the IGFs and alters their interaction with cell surface receptors. [8] IGFBP-4 is a unique protein and it consistently inhibits several cancer cells in ...