工程生物合成和抗癌研究的环扩展抗菌素类型的depsipeptides
Zhijuan Hu1,2, Di Gu3, Will Skyrud3
1Department of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States.
ACS synthetic biology
|April 29, 2024
概括
研究人员成功地使用合成生物合成基因集群生产了称为呼吸素的抗癌化合物. 这一突破使得基于呼吸剂的新型癌症药物的生产和开发变得更加容易.
科学领域:
- 自然产品化学 自然产品化学
- 合成生物学 合成生物学
- 癌症药理学 癌症药理学
背景情况:
- 呼吸剂是具有复杂结构的强效抗癌脱类.
- 低自然产量和合成挑战阻碍了研究.
- 之前的生物信息分析提出了呼吸剂生物合成基因集群.
研究的目的:
- 建立一个异质的呼吸剂生产系统.
- 为药物发现产生新型呼吸剂衍生物.
- 为了阐明抗癌疗效的结构-活性关系.
主要方法:
- 在*Streptomyces albus*中合成生物合成基因重构.
- 聚基酸合成酶通路工程和生物催化.
- 化学衍生物和细胞毒性查 (MCF-7,Hela细胞).
主要成果:
- 成功实现了呼吸剂的异质生产.
- 产生了9种呼吸剂化合物,包括6种新衍生物.
- 确定了独特的双相剂量反应和基本功能组.
结论:
- 合成BGC系统为呼吸剂生产和多样化提供了一个可访问的平台.
- 结构-活性关系研究确定了关键的细胞毒性决定因素.
- 这项工作促进了基于呼吸剂的抗癌药物的发现和开发.
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