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描述 | AMG319 exhibits inhibitory activity against PI3Kδ, PI3Kγ, PI3Kβ, and PI3Kα with IC50 values of 18 nM, 850 nM, 2.7 μM, and 33 μM, respectively. In a human whole blood assay (HWB), AMG319 demonstrates an IC50 of 16 nM, exceptional selectivity across a broad range of protein kinases, and high efficacy in vivo as demonstrated in two rodent models of inflammation. Additionally, AMG319 shows minimal inhibition of CYP3A4/2D6 and lacks inhibitory effects on CYPs (1A2, 2C8, 2C9, 2C19, 2E1, all >20 μM). It does not exhibit time-dependent inhibition (TDI) or induction against CYPs 3A4, 2D6, 1A2, 2C9, 2B6 as assessed in hepatocytes. AMG319 demonstrates negligible binding to hERG (>25 μM) and yields negative results in an Ames micronucleus test. Furthermore, AMG319 exhibits minimal impact in a BSEP assay up to >200 μM [1]. |
实验方案 | |||
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1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.59mL 0.52mL 0.26mL |
12.97mL 2.59mL 1.30mL |
25.95mL 5.19mL 2.59mL |
参考文献 |
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