IGFBP3 Rabbit Polyclonal Antibody

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 thyroglobulin type-I domain. The protein forms a ternary complex with insulin-like growth factor acid-labile subunit (IGFALS) and either insulin-like growth factor (IGF) I or II. In this form, it circulates in the plasma, prolonging the half-life of IGFs and altering their interaction with cell surface receptors. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [provided by RefSeq, Jul 2008], developmental stage:IGFBP3 levels are higher during extrauterine life and peak during puberty., domain:The thyroglobulin type-1 domain mediates interaction with HN., function:IGF-binding proteins prolong the half-life of the IGFs and have been shown to either inhibit or stimulate the growth promoting effects of the IGFs on cell culture. They alter the interaction of IGFs with their cell surface receptors., induction:IGFBP3 levels increase in the presence of IGF1, insulin and other growth-stimulating factors such as growth hormone, epidermal growth factor, and phorbol esters., online information:The Singapore human mutation and polymorphism database, similarity:Contains 1 IGFBP N-terminal domain., similarity:Contains 1 thyroglobulin type-1 domain., subunit:Interacts with XLKD1 (By similarity) . Binds IGF2 more than IGF1. Forms a ternary complex of about 140 to 150 kDa with IGF1 or IGF2 and a 85 kDa glycoprotein (ALS) . Interacts with HN., tissue specificity:Expressed by most tissues.