合成和生物评估的颗粒胺B及其结构类似物
Dario Matulja1, Petra Grbčić2, Gabrijela Matijević3
1Department of Biotechnology, University of Rijeka, Radmile Matejčić 2, Rijeka, 51000, Croatia.
Current medicinal chemistry
|February 13, 2024
概括
研究人员合成了花胺B和类似物,评估了它们的抗氧化,抗菌和毒性作用. 侧链的修改显示影响有限,这表明内环功能化可改善生物活性.
科学领域:
- 海洋天然产品 化学 化学
- 药用化学 医学化学
- 药物发现 药物发现 药物发现
背景情况:
- 从*Eunicella*珊瑚物种中分离出来的A和B颗粒胺,具有部分检查的生物活性.
- 试胺衍生物如颗粒胺B因其潜在的治疗应用而引起人们的兴趣.
研究的目的:
- 通过修改侧链来合成颗粒胺B (4b) 和12种结构类似物.
- 全面评估合成化合物的生物活性和毒性.
主要方法:
- 使用Sun和Fürstner程序合成颗粒胺B和类似物.
- 对抗氧化,抗增殖和抗菌性质的评估.
- 在斑马鱼 (*Danio rerio*) 模型中进行体内毒性评估.
主要成果:
- 化合物4i显示出最强的ABTS激素清除活性 (IC50 = 36 ± 2μM).
- 颗粒胺B (4b) 呈现出适度的抗菌活性对抗*细菌菌* (MIC = 125μM).
- 化合物4b和4i在斑马鱼中诱导了显著的发育异常,表明了毒性.
结论:
- 与颗粒胺B相比,侧链的修改并没有显著改变生物活性.
- 未来的研究应该专注于功能化内醇环以增强生物效应.
- 新的合成正在进行中,以探索用于改进药物候选者的英多尔核心修饰.
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