设计,合成和评估多キシ里丁衍生物作为对酸还原酶有反应性的抗癌产药
Xinmeng Zhang1, Taimin Dong1, Xu Li1
1National Key Laboratory of Macromolecular Drug Development and Manufacturing, School of Pharmaceutical Sciences and Food Engineering, Liaocheng University, 1 Hunan Street, Liaocheng 252059, China.
Molecules (Basel, Switzerland)
|November 9, 2024
概括
针对瘤缺氧的新型多キシ里丁衍生物显示出作为有效的抗癌前药物具有减少副作用的前性. 化合物2c表现出强大的抗瘤活性和选择性,提供了一个新的治疗途径.
科学领域:
- 药用化学 医学化学
- 在瘤学瘤学.
- 药物发现 药物发现 药物发现
背景情况:
- 抗代谢化学疗法药物,如5-fluorouracil (5-FU),对于癌症治疗至关重要,但由于它们对正常快速分裂细胞的影响,导致严重的副作用.
- 多キシ氨酸 (5'-脱氧-5-氨酸 [5'-DFUR]) 是5-FU的前药物,由胺酸酶 (TP) 激活,但其有效性因TP在瘤和正常组织中的存在而受到限制.
- 瘤组织经常表现出低氧微环境,含有高水平的酸还原酶 (NTR),是选择性药物激活的潜在目标.
研究的目的:
- 在低氧瘤环境中选择性激活的新型5'-DFUR衍生物的设计和合成.
- 评估这些新衍生物的稳定性,药物释放动力学,体外细胞毒性和体外抗瘤活性.
- 与现有疗法相比,确定具有增强瘤向性和降低全身毒性的有前途的候选药物.
主要方法:
- 新型5'-DFUR衍生物的合成,其中包含含的部分.
- 在体外评估化合物在各种条件 (pH,血) 中的稳定性和由还原酶介导的释放.
- 对癌细胞系的体外细胞毒性评估 (MCF-7,HT29).
- 在体内研究,以评估相关模型中的抗瘤疗效和毒性.
主要成果:
- 含有酸碎片的化合物2c表现出稳定性和迅速减少NTR的存在.
- 实验室研究表明,2c化合物对癌症细胞系具有很好的选择性.
- 在体内实验显示,2c化合物实现了与5'-DFUR可比的抗瘤作用,并显著减少了有毒副作用.
结论:
- 设计的5'-DFUR衍生物在瘤微环境中被TP和NTR激活,为向癌症治疗提供了一种策略.
- 化合物2c是一种有前途的抗瘤前药物候选物,因为它具有瘤选择性激活,强效和有利的安全性.
- 这种方法有可能开发出更有效,更安全的化疗剂来治疗癌症.
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