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Perylenequione Derivatives with Anticancer Activities Isolated from the Marine Sponge-Derived Fungus, Alternaria sp SCSIO41014

文献类型: 外文期刊

作者: Pang, Xiaoyan 1 ; Lin, Xiuping 1 ; Wang, Pei 3 ; Zhou, Xuefeng 1 ; Yang, Bin 1 ; Wang, Junfeng 1 ; Liu, Yonghong 1 ;

作者机构: 1.Chinese Acad Sci, South China Sea Inst Oceanol, Guangdong Key Lab Marine Mat Med, RNAM Ctr Marine Microbiol,CAS Key Lab Trop Marine, Guangzhou 510301, Guangdong, Peoples R China

2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

3.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, Haikou 571101, Hainan, Peoples R China

关键词: sponge-derived fungus; Alternaria sp.; perylenequinone derivatives; X-ray single crystal diffraction; cytotoxic activity; antibacterial

期刊名称:MARINE DRUGS ( 影响因子:5.118; 五年影响因子:5.951 )

ISSN: 1660-3397

年卷期: 2018 年 16 卷 8 期

页码:

收录情况: SCI

摘要: Seven new secondary metabolites classified as two perylenequinone derivatives (1 and 2), an altenusin derivative (3), two phthalide racemates (4 and 5), and two phenol derivatives (6 and 7), along with twenty-one known compounds (8-28) were isolated from cultures of the sponge-derived fungus, Alternaria sp. SCSIO41014. The structures and absolute configurations of these new compounds (1-7) were determined by spectroscopic analysis, X-ray single crystal diffraction, chiral-phase HPLC separation, and comparison of ECD spectra to calculations. Altertoxin VII (1) is the first example possessing a novel 4,8-dihydroxy-substituted perylenequinone derivative, while the phenolic hydroxy groups have commonly always substituted at C-4 and C-9. Compound 1 exhibited cytotoxic activities against human erythroleukemia (K562), human gastric carcinoma cells (SGC-7901), and hepatocellular carcinoma cells (BEL-7402) with IC50 values of 26.58 +/- 0.80, 8.75 +/- 0.13, and 13.11 +/- 0.95 mu g/mL, respectively. Compound 11 showed selectively cytotoxic activity against K562, with an IC50 value of 19.67 +/- 0.19 mu g/mL. Compound 25 displayed moderate inhibitory activity against Staphylococcus aureus with an MIC value of 31.25 mu g/mL.

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