Emestrin-type epipolythiodioxopiperazines from Aspergillus nidulans with cytotoxic activities by regulating PI3K/AKT and mitochondrial apoptotic pathways

IF 4.8 3区化学 Q1 CHEMISTRY, MEDICINAL Natural Products and Bioprospecting Pub Date : 2025-03-10 DOI:10.1007/s13659-025-00498-8

Pengkun Li, Qin Li, Aimin Fu, Yang Xiao, Chunmei Chen, Hucheng Zhu, Changxing Qi, Wei Wei, Yuan Zhou, Yonghui Zhang

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Abstract

Five novel emestrin-type epipolythiodioxopiperazines (ETPs), prenylemestrins C−G (1–5), along with two known ETPs, prenylemestrin A (6) and prenylemestrin B (7), were obtained from Aspergillus nidulans. Their structures were characterized by spectroscopic data, X-ray crystallographic data, ECD comparisons and calculations. Prenylemestrins C−G (1 − 5) represent a rare class of ETPs, characterized by a 2,5-dithia-7,9-diazabicyclo[4.2.2]decane-8,10-dione core involving a hemiterpene moiety. Notably, compound 6 exhibited moderate cytotoxicity, inducing G2/M cell cycle arrest and apoptosis of L1210 cells by regulating the PI3K/AKT signaling pathway and mitochondrial apoptotic mechanisms.

Graphical Abstract

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来源期刊

Natural Products and Bioprospecting CHEMISTRY, MEDICINAL-

CiteScore

8.30

自引率

2.10%

发文量

审稿时长

13 weeks

期刊介绍： Natural Products and Bioprospecting serves as an international forum for essential research on natural products and focuses on, but is not limited to, the following aspects: Natural products: isolation and structure elucidation Natural products: synthesis Biological evaluation of biologically active natural products Bioorganic and medicinal chemistry Biosynthesis and microbiological transformation Fermentation and plant tissue cultures Bioprospecting of natural products from natural resources All research articles published in this journal have undergone rigorous peer review. In addition to original research articles, Natural Products and Bioprospecting publishes reviews and short communications, aiming to rapidly disseminate the research results of timely interest, and comprehensive reviews of emerging topics in all the areas of natural products. It is also an open access journal, which provides free access to its articles to anyone, anywhere.