New anti-inflammatory guaianes from the Atlantic hydrotherm-derived fungus Graphostroma sp. MCCC 3A00421.
New anti-inflammatory guaianes from the Atlantic hydrotherm-derived fungus Graphostroma sp. MCCC 3A00421.
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来自大西洋温水源真菌 Graphostroma sp MCCC 的新型抗炎愈创木酚 3A00421
DOI:
10.1038/s41598-017-18841-6
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发表时间:
2018-01-11
影响因子:
4.6
通讯作者:
Yang XW
中科院分区:
文献类型:
--
作者:
Niu S;Xie CL;Xia JM;Luo ZH;Shao Z;Yang XW
Nine new guaianes (graphostromanes A–I, 1–9) were isolated from the deep-sea-derived fungus Graphostroma sp. MCCC 3A00421, along with four known ones (10–13). The relative configurations were established mainly by detailed analysis of the NMR and HRESIMS data, while the absolute configurations were assigned using the X-ray crystallography and modified Mosher’s method. All isolates were evaluated for their inhibitory effects against lipopolysaccharide (LPS)-induced nitric oxide (NO) production in RAW264.7 macrophages. Graphostromanes F (6) showed remarkable inhibitory effect with an IC50 value of 14.2 μM, which was even stronger than that of aminoguanidine, a positive control with an IC50 value of 23.4 μM.
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