I3657
Insulin-Like Growth Factor Binding Protein-2 from mouse
≥95% (SDS-PAGE), recombinant, expressed in NSO cells, lyophilized powder, suitable for cell culture
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Synonym(s):
IGFBP-2
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biological source
mouse
Quality Level
recombinant
expressed in NSO cells
Assay
≥95% (SDS-PAGE)
form
lyophilized powder
potency
0.125-0.5 mg per mL ED50
mol wt
~35 kDa by SDS-PAGE (reducing)
calculated mol wt 29.4 kDa
packaging
pkg of 25 μg
technique(s)
cell culture | mammalian: suitable
impurities
endotoxin, tested
UniProt accession no.
storage temp.
−20°C
Gene Information
mouse ... Igfbp2(16008)
General description
IGFBP2 (insulin-like growth factor binding protein 2) belongs to the IGFBP family of proteins. The protein has two HBD (heparin-binding domain-1) domains. It is a secreted protein.
Biochem/physiol Actions
During development, insulin-like growth factor binding protein-2 is expressed in a number of tissues with the highest expression level found in the central nervous system. IGFBP-2 exhibits a 2-10 fold higher affinity for IGF II than for IGF I. Mouse and human IGFBP-2 share approximately 82% homology.
IGFBP2 (insulin-like growth factor binding protein 2) works along with IGF-I (insulin like growth factor I) and regulates cellular proliferation and differentiation. It mainly binds to IGFs and restricts their association to other receptors.
Physical form
Lyophilized from a 0.2 μm filtered solution of 35% acetonitrile and 0.1% TFA.
Analysis Note
The biological activity is measured by its ability to inhibit recombinant human lGF-II on MCF-7 cells.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Gang Xi et al.
Endocrinology, 154(11), 4146-4157 (2013-08-29)
IGF-binding protein (IGFBP)-2 overexpression confers resistance to high-fat feeding and inhibits the differentiation of preadipocytes in vitro. However, whether administration of IGFBP-2 can regulate adipogenesis in vivo and the domains that mediate this response have not been defined. IGFBP-2 contains
Xinchun Shen et al.
The Journal of biological chemistry, 290(18), 11578-11590 (2015-03-20)
Insulin-like growth factor-binding protein-2 (IGFBP-2) functions coordinately with IGF-I to stimulate cellular proliferation and differentiation. IGFBP-2 binds to receptor tyrosine phosphatase β (RPTPβ), and this binding in conjunction with IGF-I receptor stimulation induces RPTPβ polymerization leading to phosphatase and tensin
Hye Suk Kang et al.
The Biochemical journal, 467(3), 453-460 (2015-02-20)
Insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2), one of the most abundant circulating IGFBPs, is known to attenuate the biological action of IGF-1. Although the effect of IGFBP-2 in preventing metabolic disorders is well known, its regulatory mechanism remains unclear. In
Gang Xi et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 29(11), 2427-2438 (2014-05-20)
Insulin-like growth factor binding protein 2 (IGFBP-2) is important for acquisition of normal bone mass in mice; however, the mechanism by which IGFBP-2 functions is not defined. These studies investigated the role of IGFBP-2 in stimulating osteoblast differentiation. MC-3T3 preosteoblasts
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