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编 号:F411132
分子式:C26H30F3N7O2
分子量:529.56
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10mM*1mL in DMSO
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1mg
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5mg
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10mg
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25mg
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50mg
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100mg
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生物活性:
AST 487 is a RET kinase inhibitor with IC50 of 880 nM, inhibits RET autophosphorylation and activation of downstream effectors, also inhibits Flt-3 with IC50 of 520 nM.

体内研究:
After a single oral administration of 15 mg/kg of AST 487 to OF1 mice, a mean peak plasma level (Cmax) of 0.505±0.078 μM SE is achieved after 0.5 h. Similar levels of AST 487 are found in the plasma of mice up to 6 h after oral administration, with a Clast of 21±4 nM at 24 h. The oral bioavailability is calculated to be 9.7% with a t1/2 terminal elimination of 1.5 h.

体外研究:
A number of other kinases are also similarly inhibited by AST 487 (NVP-AST487) in the in vitro kinase assays, including KDR (IC50=170 nM), Flt-4 (IC50=790 nM), Flt-3 (IC50=520 nM), c-Kit (IC50=500 nM), and c-Abl (IC50=20 nM). AST 487 potently inhibits the growth of human thyroid cancer cell lines with activating mutations of RET but not of lines without RET mutations. Both GDNF/GFRα1 and persephin-induced calcitonin mRNA are markedly inhibited by coincubation with 100 nM of AST 487 in MTC-M cells. AST 487 is a novel, mutant FLT3 inhibitor. AST 487 is tested in biochemical assays for inhibition of Flt-3 kinase activity. The Ki is determined to be 0.12 μM. Besides Flt-3, NVP-AST487 inhibits RET, KDR, c-Kit, and c-Abl kinase with IC50 values below 1 μM. Treatment of FLT3-ITD-Ba/F3 cells and D835Y-Ba/F3 cells with AST 487 potently inhibits cellular proliferation (IC50AST 487 相关抗体:
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