开发一流的DNMT1/HDAC抑制剂,具有改善的治疗潜力和强化的抗瘤免疫力
Yingjie Chang1, Huahui Guo2,3, Xue Li1
1Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, 44 Wenhuaxi Road, Jinan 250012, China.
Journal of medicinal chemistry
|September 12, 2024
概括
一种针对DNMT1和HDAC (基因组脱酶) 的新型双抑制剂有效地逆转了癌症模型中的表观遗传异常. 这种表观遗传疗法候选者, (±) -23a,显示出显著的瘤生长抑制和改善耐受性,提供治疗潜力.
科学领域:
- 在瘤学瘤学.
- 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 表观遗传修饰在癌症的发展中起着至关重要的作用.
- 目前的表观遗传疗法通常涉及单独向DNA甲基转移酶 (DNMTs) 或基因素脱乙酶 (HDACs).
- 开发双重抑制剂提供了一种潜在的策略,通过同时针对多个表观遗传途径来提高治疗疗效.
研究的目的:
- 通过结合关键药理,设计和合成DNMT1和HDAC的新型双抑制剂.
- 在临床前癌症模型中评估这些双重抑制剂的体外和体内疗效.
- 评估这些化合物在逆转癌症特异性表观遗传变化的潜力及其对瘤微环境的影响.
主要方法:
- DNMT1 抑制剂和HDAC 抑制剂药的融合,产生双作用化合物.
- 在体外和细胞测试以评估DNMT1和HDAC抑制.
- 使用MV-4-11异种移植和MC38同源性小鼠模型进行体内研究.
- 对瘤生长抑制,耐受性和瘤免疫微环境调节的分析.
主要成果:
- 化合物 (±) -23a 显示出强大的DNMT1和HDAC抑制.
- 它有效地重新激活了表观遗传沉默的瘤抑制基因 (TSG).
- 在体内, (±) -23a在MV-4-11模型中实现了98%的瘤生长抑制,改善了耐受性,并通过诱导瘤回归和重塑瘤免疫微环境,在MC38模型中表现优于组合疗法.
结论:
- 新的DNMT1/HDAC双抑制剂 (±) -23a显示出作为癌症治疗剂的显著前景.
- 它有效地逆转癌症特有的表观遗传异常.
- (±) -23a具有在瘤学领域进一步临床开发的潜力.
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