轻微的爱尔戈类固醇和19-nor 拉布丹类型的迪特类固醇具有来自Ganoderma lucidum的抗炎作用
Dan Cai1, Yun-Yun Liu1, Xin-Ping Tang2
1State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China; Institute for Inheritance-Based Innovation of Chinese Medicine, School of Pharmacy, Shenzhen University Medical School, Shenzhen University, Shenzhen, 518055, China.
研究人员发现了来自Ganoderma lucidum的新型化合物,包括独特的雌激素类固醇和二类固醇. 化合物1通过减少细胞中的关键炎症标志物,显示出显著的抗炎作用.
科学领域:
- 自然产品化学 自然产品化学
- 药理学 药理学 是一个学科.
- 菌类学 菌类学是指菌类学.
背景情况:
- 瑞士 (Reishi mushroom) 是一种传统的药用真菌.
- 它的化学成分对潜在的治疗应用有兴趣.
- 之前的研究已经从这种物种中确定了各种生物活性化合物.
研究的目的:
- 从Ganoderma lucidum果实体中分离和描述新的化学化合物.
- 为了评估分离的化合物的抗炎潜力.
主要方法:
- 使用色谱技术进行化学分离.
- 通过光谱方法 (NMR,MS) 阐明结构.
- 使用ECD计算和X射线衍射来确定绝对配置.
- 使用LPS刺激的RAW264.7细胞进行体外抗炎活性测定.
主要成果:
- 确定了五种新的爱尔戈类固醇,包括两种des-D类固醇和一种罕见的6/6/7/5融合的爱尔戈类固醇.
- 一个新的19-nor-labdane类型的双体也被分离出来.
- 化合物1显著抑制了可诱导的氧化合成酶 (iNOS) 和循环氧化酶-2 (COX-2) 的蛋白质表达在20μM.
结论:
- 这项研究成功地确定了新型的爱尔戈类固醇和来自Ganoderma lucidum的一种双类固醇.
- 化合物1表现出强大的抗炎活性,表明其作为治疗剂的潜力.
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