生物活性 | |||
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描述 | Fruquintinib (HMPL-013) acts as a potent, selective inhibitor for VEGFR 1/2/3, exhibiting IC50 values of 33 nM, 0.35 nM, and 35 nM, correspondingly[1]. Fruquintinib shows strong inhibitory effects on VEGF-A mediated KDR phosphorylation in HEK293-KDR cells and blocks VEGF-A triggered growth in primary HUVECs, with IC50 values of 0.6±0.2 nM and 1.7 nM, respectively. Fruquintinib also significantly reduces VEGFR3 activity in primary HLECs, evident from IC50s of 1.5 nM and 4.2 nM for VEGF-C induced VEGFR3 phosphorylation and proliferation, respectively. It effectively diminishes tube formation, branching, and expansion in a dose-dependent manner, reducing tubule length in primary HUVECs by 74% and 94% at concentrations of 0.03 μM and 0.3 μM, respectively. Fruquintinib's capability to inhibit tubule development and CAM angiogenesis is noted, with substantial suppression of tube formation after 18 hours at 0.3 μM[1]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.54mL 0.51mL 0.25mL |
12.71mL 2.54mL 1.27mL |
25.42mL 5.08mL 2.54mL |
参考文献 |
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