Fedratinib (SAR302503, TG101348)是一种选择性JAK2抑制剂，在无细胞试验中IC50为3 nM，作用于JAK2比作用于JAK1和JAK3选择性高35和334倍。Fedratinib也可抑制 FMS-like tyrosine kinase 3 (FLT3) 和 Ret (c-RET)，对应的IC50值分别为15 nM和48 nM。Fedratinib有潜在的抗肿瘤活性。Fedratinib可抑制细胞增殖并促进凋亡。Phase 2。
| CAS No. | 936091-26-8 |
| 生物活性 | Fedratinib (TG-101348) is a potent, selective, ATP-competitive and orally active JAK2 inhibitor with IC50s of 3 nM for both JAK2 and JAK2V617F kinase. Fedratinib shows 35- and 334-fold selectivity over JAK1 and JAK3, respectively. Fedratinib induces cancer cell apoptosis and has the potential for myeloproliferative disorders research. |
| 分子式 | C27H36N6O3S |
| 分子量 | 524.68 |
| 储存条件 | Powder -20℃ 3 years |
| 溶解性数据 | DMSO : 230 mg/mL (438.36 mM; Need ultrasonic) |
| 体内研究 | Fedratinib (TG101348; 60-120 mg/kg; oral gavage; twice daily; for 42 days; C57Bl/6 mice) trewatment shows a dose-dependent reduction in polycythemia and a marked dose-dependent reduction in splenomegaly of treated animals. |
| 体外研究 | Fedratinib (TG101348) inhibits proliferation of a human erythroblast leukemia (HEL) cell line that harbors the JAK2V617F mutation, as well as a murine pro-B cell line expressing human JAK2V617F (Ba/F3 JAK2V617F), with an IC50 value of approximately 300 nM for either line. Proliferation of parental Ba/F3 cells was inhibited to a comparable level, with an IC50 value of ∼420 nM. Exposure of these cells to Fedratinib (TG101348) (0.1 μM, 0.3 μM, 1 μM, 3 μM, and 10 μM) reduces STAT5 phosphorylation at concentrations that parallel the concentrations required to inhibit cell proliferation. Fedratinib (TG101348) (0.1 μM, 0.3 μM, 1 μM, 3 μM, and 10 μM) induces apoptosis in both HEL and Ba/F3 JAK2V617F cells in a dose-dependent manner. |
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| 纯度及产品资料 | 98% |
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