New Benzaldehyde Derivatives From the Soft Coral-Associated Epiphytic Fungus Aspergillus Sp. EGF 15-0-3

被引：0
作者：
Zhang, Ze-Kun [1 ]
Li, Ze-Jun [1 ]
Guo, Li-Shuang [2 ]
Duan, Xue-Wei [1 ]
Liu, Bing-Bing [1 ]
An, Lin-Kun [2 ]
He, Xi-Xin [1 ]
Zhang, Cui-Xian [1 ]
机构：
[1] Guangzhou Univ Chinese Med, Sch Pharmaceut Sci, Guangzhou, Peoples R China
[2] Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou, Peoples R China
来源：
CHEMISTRY & BIODIVERSITY | 2025年
基金：
中国国家自然科学基金;
关键词：
benzaldehyde derivatives; inhibitory effect; molecular docking; soft coral-associated epiphytic fungus; tyrosyl-DNA phosphodiesterase 1; tyrosyl-DNA phosphodiesterase 2; TOPOISOMERASES; INHIBITORS; TDP1;
D O I：
10.1002/cbdv.202500124
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Two new benzaldehyde derivatives, aspergitones A (1) and B (2), along with seven known analogues 3-9, were isolated from the soft coral-associated epiphytic fungus Aspergillus sp. EGF 15-0-3. Their structures were elucidated using 1D and 2D nuclear magnetic resonance (NMR) spectroscopy and high-resolution electrospray ionization mass spectrometry (HRESIMS), whereas the absolute configuration of 1 was determined through the experimental and computational ECD analysis. On the basis of the molecular docking and activity assays against the antitumor targets tyrosyl-DNA phosphodiesterases 1 and 2 (TDP1 and TDP2), compound 7 was found to be a potential dual inhibitor against TDP1 and TDP2, whereas 5 showed the strongest inhibition against TDP1.
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