从四醇到异类:基于结构的优化和AR-C118925衍生的P2Y2受体对抗剂的晚期多样化
Rayan Aboalgasim Makawi Abdalrahman1, Katja Schlegel2, Victor Hugo Catricala Fernandes3
1University of Tuebingen, Department of Preclinical Imaging and Radiopharmacy, Cluster of Excellence iFIT (EXC 2180) "Image-guided and Functionally Instructed Tumor Therapies", Roentgenweg 13, 72076, Tuebingen, Germany.
研究人员开发了新的P2Y2受体对手来治疗癌症和炎症性疾病. 新化合物显示出更好的选择性和功效,为药物开发提供了一个有希望的支架.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药用化学 医学化学
- 分子生物学分子生物学
背景情况:
- P2Y2受体 (P2Y2R) 是一种与G蛋白结合的受体,在癌症和炎症等各种病理中至关重要.
- 强效和选择性P2Y2R抗剂的有限可用性阻碍了治疗应用.
研究的目的:
- 进行AR-C118925的结构-活性关系 (SAR) 研究,以发现增强的P2Y2R抗剂.
- 通过tetrazole部分的生物异构替代改善P2Y2R选择性和类似药物的特性.
主要方法:
- 使用Ca2+-流量试验合成和评估了60多种P2Y2R抗剂衍生物.
- 结构-活性关系 (SAR) 分析和基于结构的建模以了解连接体-受体相互作用.
- 对非目标受体,特别是P2X受体的选择性评估.
主要成果:
- 鉴定出异诺林和诺林支架作为对四醇部分的有效生物异构剂.
- 实现了保留或改善的P2Y2R抗性效力,并减少了目标外活性.
- 发现了32g的化合物,具有纳米分子强度 (pIC50 = 7.78 ± 0.13) 和对P2X亚型的高选择性.
结论:
- 为选择性P2Y2R抗剂开发了一个有价值的支架.
- 通过生物异构体修饰证明了口服生物可用P2Y2R抗剂的潜力.
- 提供了对联体受体相互作用的洞察力,以指导未来的药物设计.
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