Ceralasertib
| CAS号 | 1352226-88-0 | 货号 | BCP16169 |
| 中文名 | Ceralasertib | ||
| 英文名 | Ceralasertib | ||
| 中文别名 | |||
| 英文别名 | AZD6738;AZD-6738;AZD 6738; | ||
| 分子式 | C20H24N6O2S | 分子量 | 412.51 |
| 生物活性 | AZD6738 is an orally available morpholino-pyrimidine-based inhibitor of ataxia telangiectasia and rad3 related (ATR) kinase, with potential antineoplastic activity. Upon oral administration, ATR kinase inhibitor AZD6738 selectively inhibits ATR activity by blocking the downstream phosphorylation of the serine/threonine protein kinase CHK1. This prevents ATR-mediated signaling, and results in the inhibition of DNA damage checkpoint activation, disruption of DNA damage repair, and the induction of tumor cell apoptosis. In addition, AZD6738 sensitizes tumor cells to chemo- and radiotherapy. ATR, a serine/threonine protein kinase upregulated in a variety of cancer cell types, plays a key role in DNA repair, cell cycle progression, and survival; it is activated by DNA damage caused during DNA replication-associated stress. In four Kras mutant cell lines: H23, H460, A549, and H358, AZD6738 inhibits ATR kinase activity and impairs cell viability. In ATM-deficient H23 cells, AZD6738 strongly synergizes with cisplatin to induce rapid cell death. In p53 or ATM defective cells, AZD6738 treatment results in replication fork stalls and accumulation of unrepaired DNA damage, resulting in cell death by mitotic catastrophe. | ||
| 信号通路 | Cell Cycle/DNA Damage PI3K/Akt/mTOR | ||
| 靶 点 | ATM/ATR | ||
结构式
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