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:By forskolin and N6,O2'dibutyryl adenosine 3',5'-cyclic monophosphate, but not by 1,9 dideoxyforskolin.,similarity:Contains 1 IGFBP N-terminal domain.,similarity:Contains 1 thyroglobulin type-1 domain.,subunit:Binds IGF2 more than IGF1.,
Secreted.
Colon,Osteosarcoma,Placenta,