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Information
ARS-853 (ARS853) ARS-853 is a selective, covalent KRAS(G12C) inhibitor that inhibits mutant KRAS-driven signaling by binding to the GDP-bound oncoprotein and preventing activation. ARS-853 also induces apoptosis .
Targets
K-Ras(G12C) (in H358 cells) 2.5 μM
In vitro
ARS-853 treatment of KRASG12C cells led to a dose-dependent and nearly complete inhibition of CRAF-RBD (RBD)-mediated pulldown of KRAS from lysates, with an IC50 of approximately 1 μmol/L. Treatment of H358 cells by ARS-853 resulted in a significant loss of KRAS–CRAF interactions. Consistent with an inactive state of KRASG12C once bound to ARS-853, downstream signaling through both MAPK (including pMEK, pERK, and pRSK) and PI3K signaling (pAKT) pathways was inhibited by ARS-853 in H358 and other KRASG12C cell lines. The inhibition of RAF-RBD pulldown and KRAS downstream signaling was sustained over a period of 72 hours, accompanied by G1 cell-cycle arrest, loss of Cyclin D1 and Rb expression, and an increase in the cell-cycle inhibitor p27 KIP1. In addition, hallmarks of apoptosis, including cleaved PARP and increases in sub-diploid DNA, were observed in H358 cells following treatment with ARS-853. No effects on RAF-RBD binding or downstream signaling were observed in A549 cells (KRASG12S), and the inhibitory effects of ARS-853 in H358 cells could be rescued by ectopic expression of KRASG12V. KRASG12C is the most potent covalent target of ARS-853 across more than 2,700 cellular proteins and consistently find that this compound exerts no effects on cellular signaling or growth in non-KRASG12C cells at concentrations up to 10-fold higher than its KRASG12C potency. ARS-853 reacts only with the inactive (GDP-bound), but the not the active (GTP-bound), state of KRAS. ARS853 reduced KRAS-GTP levels and ERK phosphorylation in human embryonic kidney 293 (HEK293) or H358 cells engineered to express KRASG12C but not in those expressing KRASG12C/A59G. ARS853 traps KRASG12C in a GDP-bound conformation by lowering its affinity for nucleotide exchange factors.
Cell Research(from reference)
Cell lines:H358 (G12C) cells
Concentrations:0.05, 0.1, 0.5, 1, 5, 10, 50 μM
Incubation Time:5 h
分类树(Taxonomy Tree)
| 界(kingdom) | 有机化合物 |
|---|---|
| 超类(Superclass) | 有机酸及其衍生物 |
| 类(Class) | 羧酸及其衍生物 |
| 亚类(Subclass) | 氨基酸、肽和类似物 |
| 中间层级节点(Intermediate Tree Nodes) | 氨基酸及其衍生物 - α氨基酸及其衍生物 |
| 直接上位类(Direct Parent) | α-氨基酸酰胺 |
| 其他上位类(Alternative Parents) | 邻氨基苯酚 苯烷基胺 苯胺和取代苯胺 间氯酚 仲烷基芳胺 1-羟基-2-未取代苯类化合物 N-烷基哌嗪 氯苯类 芳基氯化物 叔羧酸酰胺 丙烯酸及其衍生物 三烷基胺 氮杂环丁烷 氮杂环化合物 有机光子化合物 碳氢化合物衍生物 有机氧化物 有机氯化物 羰基化合物 |
| 分子骨架(Molecular Framework) | 芳香族杂单环化合物 |
| 取代基(Substituents) | 1-羟基-2-未取代苯环化合物 - 1,4-二氮杂环丁烷 - 3-氯苯酚 - 3-羰基呋喃酮 - 丙烯酸或衍生物 - α-氨基酸酰胺 - 氨基酸 - 氨基苯酚 - 苯胺或取代苯胺 - 芳香族杂单环化合物 - 芳基氯化物 - 芳基卤化物 - 氮杂环 - 氮杂环丁烷 - 苯基化合物 - 羰基 - 羧酰胺基 - 氯苯 - 卤苯 - 烃衍生物 - 单环苯基基团 - N-烷基哌嗪 - O-氨基苯酚 - 有机硝基化合物 - 有机氧化物 - 有机氧化合物 - 有机氯化物 - 有机卤化物 - 有机杂环化合物 - 有机氮化合物 - 有机氧化合物 - 有机氮化合物 - 苯酚 - 苯基乙醛 - 哌嗪 - 二级脂肪族/芳香族胺 - 醛基 - 三元脂肪胺 - 三芳基胺 - 叔羧酸酰胺 |
| 描述(Description) | 该化合物属于α-氨基酸酰胺类有机化合物。此类化合物为α-氨基酸的酰胺衍生物。 |
| 外部描述符(External Descriptors) | 暂无 |
| 作用机制 | Action Type | target ID | Target Name | Target Type | Target Organism | Binding Site Name | 参考文献 |
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