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Updated: Feb 12, 2026
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Derivation of Thymic Lymphoma T-cell Lines from Atm-/- and p53-/- Mice
Published on: April 3, 2011
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新型pyrazolo[4,3-c]oline衍生物的理性设计作为有力的,选择性的,口服生物可用的ATM抑制剂,具有有希望的活体效率
Tao Yang1,2, Tao Guo3, Yongting Yuan3
1National Chengdu Center for Safety Evaluation of Drugs, West China Hospital, Sichuan University, Chengdu 610041, China.
Journal of medicinal chemistry
|February 11, 2026
概括
一种新的化合物,A36,有效地抑制ATM激酶,增强结直肠癌细胞对化疗和辐射的敏感性. 这种有前途的候选药物显示,当与义诺他干结合时,显著抑制瘤生长.
科学领域:
- 在瘤学瘤学.
- 药用化学 医学化学
- 分子生物学分子生物学
背景情况:
- ATM对于DNA双链断裂的修复至关重要.
- ATM抑制使结直肠癌细胞对化疗和放射治疗敏感.
- 在结直肠癌中,ATM是潜在的治疗点.
研究的目的:
- 开发新的pyrazolo[4,3-c]类衍生物作为ATM抑制剂.
- 为了优化化合物的ATM选择性和代谢稳定性.
- 在临床前结直肠癌模型中评估优化化合物A36的疗效.
主要方法:
- 合理的结构设计和合成pyrazolo [4,3-c] 类衍生物.
- 在体外测定ATM和DNA-PK抑制.
- 在体外代谢稳定性和药理动力学研究.
- 结肠直肠癌细胞系研究用于化学敏感化和放射敏感化.
- 在体内使用结直肠癌异种移植模型的疗效研究,结合氨酸.
主要成果:
- 开发了一系列具有ATM抑制活性的pyrazolo[4,3-c]类衍生物.
- 优化化合物A36表现出强大的亚纳米分子ATM抑制和出色的激酶选择性.
- A36对辐射和化疗剂显示出强烈的细胞敏感性.
- A36显示出有利的药理动力学特性 (F% = 80.5%).
- 在异种移植模型中,将A36与义利诺坦结合使用导致抗瘤功效增强和协同效应 (TGI高达92.6%).
结论:
- 化合物A36是一种强效和选择性的ATM抑制剂,具有有利的类似药物的特性.
- A36有效地使结直肠癌细胞对标准疗法的敏感.
- 在结直肠癌治疗中,A36作为联合化疗的治疗剂显著有前途.
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