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抑制剂描述:

产品名称:Picropodophyllin

产品别名:见爱必信官网

英文别名:Picropodophyllin

靶点:IGF-1R

CAS:477-47-4

纯度:>98%

外观:见爱必信官网

保存方法:Store at -20℃ for one year(Powder);Store at 2-4℃ for two weeks;Store at -20℃ for six months after dissolution.

描述:

Picropodophyllin (PPP) is a specific IGF-1R inhibitor (IC50: 1 nM). Picropodophyllin specifically inhibits the activity and downregulates the cellular expression of IGF1R without interfering with activities of other growth factor receptors, such as receptors for insulin, epidermal growth factor, platelet-derived growth factor, fibroblast growth factor and mast/stem cell growth factor (KIT).

溶解性:DMSO : 76 mg/mL (183.4 mM)
Ethanol : 1 mg/mL (2.41 mM), warmed

体外研究:

In intact cells, PPP efficiently inhibits IGF-1-stimulated IGF-1R, Akt (Ser 473) and Erk1/2 phosphorylation. Picropodophyllin specifically inhibits cell growth, and induces apoptosis in cultured IGF-1R-positive tumor cells. Picropodophyllin synergistically sensitizes HMCL, primary human MM and murine 5T33MM cells to ABT-737 and ABT-199 by further decreasing cell viability and enhancing apoptosis. Picropodophyllin and sorafenib synergistically suppress the proliferation and motility of hepatocellular carcinoma cells.

体内研究:In SCID mice xenografted with human ES-1, BE, and PC3, Picropodophyllin (20 mg/kg/12 h, i.p.) causes complete tumor regression. In the 5T33MM mouse model, Picropodophyllin also shows a marked antitumor activity, and causes a significant increase in survival.

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