高卢蜜环菌中一个新的甾体类化合物
收稿日期: 2024-07-24
修回日期: 2024-09-06
网络出版日期: 2024-10-18
基金资助
国家自然科学基金(82260682); 昭通学院云南天麻与真菌共生生物学重点实验室(TMKF2023A01); 云南特色植物筛选与研发服务CXO平台(2022YKZY001); 云岭学者计划资助项目
A New Steroid from Armillaria gallica
Received date: 2024-07-24
Revised date: 2024-09-06
Online published: 2024-10-18
Supported by
National Natural Science Foundation of China(82260682); Yunnan Key Laboratory of Gastrodia and Fungi Symbiotic Biology of Zhaotong University(TMKF2023A01); Yunnan Characteristic Plant Screening and R & D Service CXO Platform(2022YKZY001); Project of Yunling Scholars of Yunnan Province
对蜜环菌Armillaria gallica Marxm. & Romagn.发酵提取物进行化学成分研究, 从中分离得到1个新的甾体类化合物armillanal D (1), 1个新天然产物VD2-1 (8)以及6个已知化合物. 综合运用1D、2D的核磁共振波谱、高分辨质谱和电子圆二色性(ECD)谱对化合物1的结构进行了鉴定. 在小鼠巨噬细胞(J774A.1)中, 评价了除化合物8以外所有化合物对尼日利亚菌素(Nigericin)诱导的NLRP3炎症小体激活的抑制作用, chaxine C (6)表现出较好的抗炎活性, 其IC50值为(4.97±0.81) μmol/L.
张晶晶 , 李慧琼 , 张兴杰 , 王永朋 , 周学梅 , 肖伟烈 , 程立君 , 李晓莉 . 高卢蜜环菌中一个新的甾体类化合物[J]. 有机化学, 2025 , 45(4) : 1411 -1416 . DOI: 10.6023/cjoc202407037
A chemical investigation on the cultures extract of the basidiomycete Armillaria gallica Marxm. & Romagn. led to the isolation of eight compounds, including a new steroid armillanal D (1), a new natural product VD2-1 (8) and six known compounds. The structure of 1 was elucidated on the basis of extensive 1D and 2D-NMR spectra analysis, HR-ESI-MS, and electronic circular dichroism (ECD) spectra. The inhibitory activity of these compounds except 8 on NLRP3 inflammasome activation in Nigericin-induced mouse macrophage (J774A.1) cells was evaluated. Chaxine C (6) exhibited potential anti- inflammatory activity in vitro with IC50 value of (4.97±0.81) μmol/L.
Key words: Armillaria gallica; fungal metabolite; steroid; anti-inflammatory activity
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