Rare Carbon-Bridged Citrinin Dimers from the Starfish-Derived Symbiotic Fungus Penicillium sp. GGF16-1-2

文献类型： 外文期刊

第一作者： Fan, Hao

作者： Fan, Hao;Shi, Zhi-Mian;Lei, Yan-Hu;Si-Tu, Mei-Xia;Zhou, Feng-Guo;Feng, Chan;Wei, Xia;Chen, Yang;Zhang, Cui-Xian;Shao, Xue-Hua

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关键词： starfish-derived fungus; Penicillium sp; citrinin dimers; antifungal activities; cytotoxic activities; protein-protein interaction network

期刊名称：MARINE DRUGS （ 影响因子：6.085； 五年影响因子：6.044 ）

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年卷期： 2022 年 20 卷 7 期

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收录情况： SCI

摘要： Four novel, rare carbon-bridged citrinin dimers, namely dicitrinones G-J (1-4), and five known analogs (5-9) were isolated from the starfish-derived fungus Penicillium sp. GGF 16-1-2. Their structures were elucidated by extensive spectroscopic analysis and quantum chemical calculations. Compounds 1-9 exhibited strong antifungal activities against Colletotrichum gloeosporioides with LD50 values from 0.61 mu g/mL to 16.14 mu g/mL. Meanwhile, all compounds were evaluated for their cytotoxic activities against human pancreatic cancer BXPC-3 and PANC-1 cell lines; as a result, compound 1 showed more significant cytotoxicities than the positive control against both cell lines. In addition, based on the analyses of the protein-protein interaction (PPI) network and Western blot, 1 could induce apoptosis by activating caspase 3 proteins (CASP3).

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