RMC-4550 is a potent, selective and allosteric inhibitor of SHP2 enzyme with IC50 value of 0.58 nM, without activity against the SHP2 catalytic domain up to a concentration of 10 µM.
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描述 | RMC-4550 is a potent, selective and allosteric inhibitor of SHP2 enzyme with IC50 value of 0.58 nM, without activity against the SHP2 catalytic domain up to a concentration of 10 µM. RMC-4550 exhibited preferential inhibition in cell lines bearing the G12C mutation and potently suppressed pERK in Calu-1 cells at concentration <10μM. RMC-4550 both inhibited cell proliferation and suppressed RAS-GTP and pERK levels in NCI-H358 (lung, KRASG12C/+) and MIA PaCa-2 (pancreas, KRASG12C/G12C) cell lines. RMC-4550 led to caspase 3/7 activation at concentration of 1 and 10μM, indicative of a pro-apoptotic effect in NCI-H358 cells. Oral administration of RMC-4550 dose-dependently inhibited tumor growth in NCI-H358 xenograft mice at dose of 3, 10 and 30mg/kg, qd, and in MIA PaCa-2 xenograft mice at 10, 30 and 60mg/kg, qd, in MIA PaCa-2 xenograft mice, both of which are models of KRASG12C-driven cancer, with downregulated p-ERK observed[1]. |
作用机制 | RMC-4550 is an allosteric inhibitor of SHP2 enzyme. It downregulated RAS-GTP by disrupting the SHP2/SOS1/GRB2 module that is required for GTP-loading of RAS.[1][2] |
Dose | Mice: 3 mg/kg - 30 mg/kg[2] (p.o.) |
Administration | p.o. |
计算器 | ||||
存储液制备 | 1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
2.29mL 0.46mL 0.23mL |
11.43mL 2.29mL 1.14mL |
22.86mL 4.57mL 2.29mL |
CAS号 | 2172651-73-7 |
分子式 | C21H26Cl2N4O2 |
分子量 | 437.363 |
别名 | |
运输 | 蓝冰 |
存储条件 |
液体 -20°C:3-6个月-80°C:12个月 粉末 Keep in dark place,Inert atmosphere,2-8°C |
溶解度 |
DMSO: 105 mg/mL(240.08 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO |
动物实验配方 |