Adagrasib(MRTX849)是一種高效、口服可用、選擇性突變的KRAS G12C共價抑制劑,具有潛在的抗腫瘤活性。它共價結合于KRAS G12C的12位半胱氨酸,將蛋白質鎖定在其不活躍的GDP結合構象中,抑制KRAS依賴的信號轉導。


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| 描述 | KRAS is one of the most frequently mutated oncogenes in cancer. KRASG12C mutations are present in lung and colon adenocarcinoma as well as smaller fractions of other cancers. MRTX849 is a potent, selective, and covalent KRASG12C inhibitor. MRTX849 demonstrated much greater modification of KRASG12C when preloaded with GDP compared with GTP supporting that MRTX849 binds to and stabilizes the inactive GDP-bound form of KRASG12C. In the KRASG12C-mutant H358 lung and MIA PaCa-2 pancreatic cancer cell lines, MRTX849 demonstrated an upward electrophoretic mobility shift of KRASG12C protein band migration by immunoblot, indicative of covalent modification of KRASG12C. MRTX849 potently inhibited cell growth in the vast majority of KRASG12C-mutant cell lines with IC50 values ranging between 10 and 973 nM in the 2D format and between 0.2 and 1042 nM in the 3D format. In vivo, the modified fraction of KRASG12C was 74% at 6 hours post-dose and gradually decreased to 47% by 72 hours after a single oral dose of MRTX849 at 30 mg/kg to H358 xenograft-bearing mice. To evaluate the effect of MRTX849 on KRAS-dependent signal transduction in vivo, a single dose of MRTX849 at 10, 30 or 100 mg/kg was administered to H358 tumor-bearing mice. Dose-dependent inhibition of ERK1/2 and pS6S235/36 phosphorylation was observed at 6 hours post-dose. Finally, significant, dose-dependent, anti-tumor activity was observed at the 3, 10, 30 and 100 mg/kg dose levels of MRTX849 in the MIA PaCa-2 model[1]. |
| Concentration | Treated Time | Description | References | |
| NCI-H2122 | 150 nM | 72 hours | Evaluate the antiproliferative response of BI-3406 in combination with adagrasib | Nat Cancer. 2024 Sep;5(9):1352-1370. |
| Administration | Dosage | Frequency | Description | References | ||
| Mouse | KCL cell subcutaneous xenograft model | Oral | 100 mg/kg/d | Once daily for 30 days | Evaluate the in vivo effect of TNO155 in combination with MRTX-849 | Cancer Res. 2023 Dec 15;83(24):4095-4111. |
| Mice | KRAS-G12C mutant tumor model | Oral gavage | 35 mg/kg | Twice a week for 3 to 6 weeks | To evaluate the synergistic effect of DGY-06-116 with MRTX849 in vivo, results showed that the combination therapy significantly inhibited tumor growth and prolonged the survival of mice. | Sci Adv. 2024 Dec 13;10(50):eadq4274 |
| 計算器 | ||||
| 存儲液制備 | ![]() |
1mg | 5mg | 10mg |
|
1 mM 5 mM 10 mM |
1.66mL 0.33mL 0.17mL |
8.28mL 1.66mL 0.83mL |
16.55mL 3.31mL 1.66mL |
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| CAS號 | 2326521-71-3 |
| 分子式 | C32H35ClFN7O2 |
| 分子量 | 604.12 |
| SMILES Code | N#CC[C@@H]1N(C(C(F)=C)=O)CCN(C2=C3C(CN(C4=C5C(Cl)=CC=CC5=CC=C4)CC3)=NC(OC[C@H]6N(C)CCC6)=N2)C1 |
| MDL No. | MFCD32263433 |
| 別名 | MRTX849 |
| 運輸 | 藍冰 |
| InChI Key | PEMUGDMSUDYLHU-ZEQRLZLVSA-N |
| Pubchem ID | 138611145 |
| 存儲條件 |
In solvent -20°C: 3-6個月 -80°C: 12個月 Pure form Sealed in dry, 2-8°C |
| 溶解方案 |
DMSO 中的溶解度 : 25 mg/mL (41.38 mM; 超聲助溶 (<60°C); 吸濕的 DMSO 對產品的溶解度有顯著影響,請使用新開封的 DMSO) 以下溶解方案都請先按照體外實驗的方式配制澄清的儲備液,再依次添加助溶劑: ——為保證實驗結果的可靠性,澄清的儲備液可以根據儲存條件,適當保存;體內實驗的工作液,建議現用現配,當天使用; 以下溶劑前顯示的百分比是指該溶劑在終溶液中的體積占比;如在配制過程中出現沉淀、析出現象,可以通過加熱和/或超聲的方式助溶
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