Protein Domain : Insulin-like growth factor-binding protein family 1-6, chordata IPR022321

Type  Family
Description  Insulin-like growth factors (IGFs)-I and -II are small secreted peptides that stimulate the survival, and promote the proliferation and differentiation, of many cell types [ ]. In biological fluids, these growth factors are usually bound to IGF-binding proteins (IGFBPs), which regulate their availability and activity by prolonging their half-life and modulating their receptor interactions. To date, six IGFBP family members have been identified (termed IGFBP1-6) [ ]. They share a conserved gene (intron-exon) organisation and high IGF-binding affinity. Structurally, the proteins also share a common domain architecture, possessing a conserved N-terminal IGFBP domain, a highly variable mid-section, and a thyroglobulin type-1 (Tg1) domain in their C-terminal regions. In addition to their role in the regulation of IGF activity, there is evidence for the direct association of IGFBPs with a variety of extracellular and cell surface molecules [ , ], with consequent effects upon important biological processes. These include modulation of bone cell proliferation [], and growth arrest of breast and prostate cancer cells [, ].
Short Name  IGFBP_1-6_chordata

6 Child Features

0 Gene Families

0 Genes

2 Ontology Annotations

0 Parent Features

0 Publications

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