Anti-IGFBP3 Antibody Picoband®

IGFBP3, Insulin-like growth fator-binding protein 3, 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. IGFBP3 is located on chromosome 7. 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.

Angiogenesis, Apoptosis, Associated Proteins, Atherosclerosis, Cancer, Cardiovascular, Cell Biology, Cell Death, Diabetes-associated, Growth Factors/Hormones, Metabolism, Obesity, Protein Phosphorylation, Receptors, Signal Transduction, Tyrosine Phosphatases

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. Also exhibits IGF-independent antiproliferative and apoptotic effects mediated by its receptor TMEM219/IGFBP-3R.

1. Lofqvist, C., Chen, J., Connor, K. M., Smith, A. C. H., Aderman, C. M., Liu, N., Pintar, J. E., Ludwig, T., Hellstrom, A., Smith, L. E. H. IGFBP3 suppresses retinopathy through suppression of oxygen-induced vessel loss and promotion of vascular regrowth.Proc. Nat. Acad. Sci. 104: 10589-10594, 2007. 2. Nwosu BU, et al. Evidence of insulin-like growth factor binding protein-3 proteolysis during growth hormone stimulation testing. J Pediatr Endocrinol Metab, 2011. 3. Relationship of insulin-like growth factor (IGF) binding protein-3 (IGFBP-3) gene polymorphism with the susceptibility to development of prostate cancer and influence on serum levels of IGF-I, and IGFBP-3. Safarinejad MR, et al. Growth Horm IGF Res, 2011 Jun.

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.