河北大学学报(自然科学版) ›› 2023, Vol. 43 ›› Issue (5): 512-516.DOI: 10.3969/j.issn.1000-1565.2023.05.010

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木贼镰刀菌Fusarium equiseti次级代谢产物的分离鉴定

潘华洋1,刘华广1,齐泽欣1,赵晓珑1,2,罗都强1,2   

  • 收稿日期:2022-10-21 出版日期:2023-09-25 发布日期:2023-10-25
  • 通讯作者: 赵晓珑(1980—)
  • 作者简介:潘华洋(2000—),男,河南许昌人,河北大学在读硕士研究生,主要从事生物化学研究.
    E-mail:P13536323869@163.com
  • 基金资助:
    河北省生物医药联合基金资助项目(B2020201090);河北大学大学生创新创业训练计划项目(2022231)

Isolation and identification of secondary metabolites of Fusarium equiseti

PAN Huayang1, LIU Huaguang1, QI Zexin1, ZHAO Xiaolong1,2, LUO Duqiang1,2   

  1. 1. College of Chemistry and Materials Science, Hebei University, Baoding 071002, China; 2. College of Life Sciences, Hebei University, Baoding 071002, China
  • Received:2022-10-21 Online:2023-09-25 Published:2023-10-25

摘要: 为发现具有新结构和显著药理作用的化合物,以异色瓢虫内生真菌木贼镰刀菌Fusarium equiseti为研究对象,采用现代分离手段,从其次级代谢产物中分离鉴定出3种化合物1、2和3. 其中化合物1(equisetin)和2(epi-equisetin)是一对差向异构体,3(6-methoxy-droperylene)属于甾体类. 体外蛋白质酪氨酸磷酸酶1B(PTP1B)抑制活性测试结果表明,化合物1和2对PTP1B具有一定的抑制活性,IC50值分别为(8.73 ± 0.03)、(12.88 ± 0.16)μg/mL. 为新型PTP1B抑制剂的研发提供了潜在的药物先导化合物.

关键词: 昆虫内生真菌, 结构鉴定, 活性测试

Abstract: In order to find compounds with new structures and significant pharmacological effects, three compounds 1, 2 and 3 were isolated and identified from the secondary metabolites of the endophytic fungus Fusarium equiseti from Harmonia axyridis by modern isolation methods. Among them, compounds 1(equisetin)and 2(epi-equisetin)are a pair of epiisomers, and 3(6-methoxy-droperylene)belongs to steroids. In vitro protein tyrosine phosphatase 1B(PTP1B)inhibitory activity test showed that compounds 1 and 2 had certain inhibitory activity on PTP1B, and IC50 values were(8.73 ± 0.03),(12.88 ± 0.16)μg/mL. It provides potential drug lead compounds for the development of new PTP1B inhibitors.

Key words: insect endophytic fungi, structure identification, activity test

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