Recombinant Mouse IGF-II (carrier-free)

IGF-II is a member of the IGF family that is comprised of three members (IGF-I, IGF-II, and insulin). IGF-I and IGF-II share approximately 50% similarity with insulin at the amino acid level. IGF-II is synthesized as a 180 amino acid in the pro-IGF-II form; pro-IGF-II is processed to the mature, active protein with the help of glucose regulating protein 94 (GRP94) that possesses chaperone activity towards IGF-II. GRP94 and IGF-II play a key role in muscle differentiation. Seven binding proteins have been described (IGFBP-1 to -7). IGFBPs extend the half life and regulate the availability of the IGFI and IGFII. It has been described that IGFBP3 is the main circulating binding protein for IGFs; in serum approximately 75% of circulating IGF-I and IGF-II bind to IGFBP3 and the co-carrier acid labile subunit (ALS). IGF-II binds to three receptors, and the binding to IGFIR promotes cell proliferation, survival, differentiation, and migration as well as metabolic function of IGF-II. Embryonic stem cell differentiation into endothelial cells is promoted by the binding of IGF-II to IGFR1. IGF-II binding to IGF-IIR induces internalization and clearing of IGF-II. Osteogenic differentiation and bone formation is enhanced by IGF-II through bone morphogenetic protein-9 (BMP-9). Polymorphisms of IGF-II are associated with obesity, cardiovascular risk factors, and hypertension.

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SPECIFICATIONS

Catalog Number

588204

Size

25 microg

Gene Id

16002

Storage Temp

-20 C or -70 C

Concentration

Shipping Temp

Blue Ice

Storage Buffer

Unopened vial can be stored at 4C for three months, at -20C for six months, or at -70C for one year. For maximum results, quick spin vial prior to opening. Stock solutions should be prepared at no less than 10 microg/mL in sterile buffer (PBS, HPBS, DPBS, and EBSS) containing carrier protein such as 1% BSA or HSA. After dilution, the cytokine can be stored at 4C for one month or from -20C to -70C for up to 3 months. Avoid repeated freeze/thaw cycles.

Alternative Names

Insulin-like growth factor II, IGFII, IGF2, IGF 2, somatomedin A

Regulatory Status

RUO