使用基于结构的虚拟查来识别强大的CDK8抑制剂.
Tony Eight Lin1,2, Ching-Hsuan Chou3, Yi-Wen Wu1
1Graduate Institute of Cancer Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei 11031, Taiwan.
Journal of chemical information and modeling
|December 31, 2024
概括
研究人员确定了一种新型化合物P162-0948,它可以抑制循环素依赖酶8 (CDK8). 这种CDK8抑制剂通过减少细胞迁移和阻断参与肺痕的关键信号通路,显示出治疗肺纤维化的潜力.
科学领域:
- 生物化学 生物化学
- 药理学 药理学是指药理学的学科.
- 细胞生物学 细胞生物学
背景情况:
- 肺纤维化涉及过度的肺组织痕,通常与转化生长因子-β (TGF-β) 信号传递有关.
- TGF-β诱导表皮细胞转移到介质细胞 (EMT) 和表皮细胞迁移,从而导致纤维化.
- 循环素依赖激酶8 (CDK8) 调解TGF-β通路,为肺纤维化提供潜在的治疗标.
研究的目的:
- 通过基于结构的虚拟查来识别CDK8的新型抑制剂.
- 描述已识别的化合物的抑制活性,选择性和结构新性.
- 在肺纤维化临床前模型中评估一种新型CDK8抑制剂的治疗潜力.
主要方法:
- 对160万种化合物进行基于结构的虚拟选,以确定CDK8抑制剂.
- 以其抑制度 (IC50) 和激酶选择性为鉴定的抑制剂P162-0948的特征.
- 评估了P162-0948对A549人膜上皮细胞的影响,重点关注细胞迁移和EMT标记物.
主要成果:
- 确定了一种新的,强大的CDK8抑制剂,P162-0948,IC50为50.4nM.
- P162-0948对CDK8比其他60种激酶具有选择性,并且具有独特的化学结构.
- 在A549细胞中,P162-0948减少了细胞迁移,EMT蛋白表达和核Smad酸化,表明TGF-β/Smad通路的破坏.
结论:
- P162-0948是一种强大且结构新的CDK8.8抑制剂.
- 该化合物有效地抑制了与肺纤维化有关的关键细胞过程.
- P162-0948 代表了一种有前途的化合物,用于开发肺纤维化新疗法.
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