两种基和一种由内性真菌产生的类固醇 Aspergillus sp. YUD20004和它们的生物活性
Dan-Dan Xia1, Jing-Xin Chen2, Fei Xie1
1Yunnan Characteristic Plant Extraction Laboratory, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, School of Chemical Science and Technology, Yunnan University, Kunming 650091, China; Institute of International Rivers and Eco-security, Yunnan University, Kunming 650500, China.
Fitoterapia
|May 14, 2025
概括
研究人员从生上发现的真菌中发现了新的化合物. 一种化合物显示出与多个人类癌症细胞系作斗争的巨大潜力.
科学领域:
- 自然产品化学 自然产品化学
- 药用化学 医学化学
- 菌类学 菌类学是指菌类学.
背景情况:
- ,特别是来自药用植物的,如Zingiber officinale (生),是新型生物活性化合物的丰富来源.
- 众所周知,Aspergillus属产生各种二次代谢产物,具有潜在的制药应用.
研究的目的:
- 从Aspergillus sp.中分离和描述新的化学实体. 欧元20004.4. 欧元20004.4. 欧元20004.4. 是一个数字.
- 评估与各种人类癌症细胞系对抗分离化合物的细胞毒性潜力.
主要方法:
- 使用色谱技术分离化合物.
- 通过全面的光谱分析 (NMR,MS) 和电子循环二元化 (ECD) 阐明结构.
- 使用标准癌症细胞系进行体外细胞毒性活性测定.
主要成果:
- 发现了两种新的类类,阿斯珀类A-B (1-2),以及一种新的埃尔戈斯坦类型的类固醇,阿斯珀类 (3).
- 阿斯珀化物A有一个罕见的螺旋[6-oxabicyclo[3.2.1]八-2,2'-oxirane]5/6/3三环骨架.
- 阿斯类固醇 (3) 在体外对SMMC-7721,HL-60,A549,SW480和MDA-MB-231癌细胞系表现出显著的细胞毒性活性,IC50值在0.40至34.24μM之间.
结论:
- 这项研究成功地确定了新型的类和来自Aspergillus sp.的一种类固醇. 欧元20004.4. 欧元20004.4. 欧元20004.4. 是一个数字.
- 阿斯类固醇 (3) 具有强烈的细胞毒性作用,特别是对SMMC-7721细胞,表明其作为抗癌剂的潜力.
- 对阿斯类固醇 (3) 进行进一步的研究是有必要的,以便其作为治疗候选药物的发展.
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