A new sesterterpenoid phellogine was isolated from the fruits of Phellodendron chinense var. glabriusculum Schneid. Its structure was elucidated on the basis of spectral analysis.
[Objectives]To isolate and identify chemical constituents from Phellodendron chinense.[Methods]Compounds were isolated by silica gel,Sephadex LH-20,and ODS column chromatography,and their structures were determined by...[Objectives]To isolate and identify chemical constituents from Phellodendron chinense.[Methods]Compounds were isolated by silica gel,Sephadex LH-20,and ODS column chromatography,and their structures were determined by means of the spectral analysis and physicochemical properties.[Results]Eleven compounds were isolated and identified as berberine(1),obaculactone(2),shihulimonin A(3),N-p-coumaroyltyramine(4),1-(4-hydroxy-3-methoxyphenyl)-2-[4-(3-hydroxy-propyl)-2-methoxyphenoxy]-propane-1,3-diol(5),phellodendrine(6),magnoflorine(7),palmatine(8),jatrorrhizine(9),columbamine(10),and obacunone(11).[Conclusions]Compounds 3 and 5 were isolated from Phellodendron for the first time,and compound 4 was isolated from this plant for the first time.展开更多
目的 基于网络药理学和分子对接探讨“寒凉”中药黄连、黄芩、黄柏(三黄)治疗痴呆的作用机制。方法 通过数据挖掘《宣明论方》,筛选出符合“寒凉”属性并且是治疗“痴呆症”的常见中药黄芩、黄连、黄柏。通过中药系统药理学数据库与分...目的 基于网络药理学和分子对接探讨“寒凉”中药黄连、黄芩、黄柏(三黄)治疗痴呆的作用机制。方法 通过数据挖掘《宣明论方》,筛选出符合“寒凉”属性并且是治疗“痴呆症”的常见中药黄芩、黄连、黄柏。通过中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform, TCMSP)数据库检索“三黄”的有效成分和作用靶点,在GeneCards、DrugBank等数据库检索痴呆症(dementia)靶点。利用Cytoscape3.7.2构建“药物-成分-靶点”网络,用VENNY2.1获得“三黄”和痴呆症的交集靶点后,构建蛋白质互作网络(protein-protein interaction networks, PPI),利用Metascape库对核心靶点进行GO、KEGG富集分析,并构建“三黄”药物-成分-靶点-通路-疾病网络,最后利用分子对接,以反向验证“三黄”活性成分与核心靶点之间的关系。结果 筛选出“三黄”治疗痴呆症的重要活性成分有槲皮素、β-谷甾醇、小檗碱、黄连碱等,关键核心靶点有TP53、AKT1、IL6、JUN、MAPK14、TNF等。KEGG通路分析有129条,主要有AGE-RAGE信号介导的糖尿病并发症通路、PI3K-Akt信号通路、钙信号通路等;GO功能中,分子功能117条,细胞组成61条,生物过程1 366条,主要涉及配体激活转录因子活性、DNA结合转录因子结合等分子功能,膜微区、突触后膜等细胞组成,活性氧代谢过程、对脂多糖的反应、炎症反应等生物过程。分子对接结果可以看出重要活性成分与核心靶点全部对接成功。结论 本研究结果表明,“三黄”特有的药性优势,可以通过多成分、多靶点、多通路的方式治疗痴呆症,为“三黄”治疗痴呆症临床应用和机制研究提供了依据。展开更多
基金Talent Special Fund of Guizhou Province(No.200560 and No.2005247)for financial supportedprofessor Jianxin Zhang of analytical group of The Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences for the spectral measurements.
文摘A new sesterterpenoid phellogine was isolated from the fruits of Phellodendron chinense var. glabriusculum Schneid. Its structure was elucidated on the basis of spectral analysis.
文摘[Objectives]To isolate and identify chemical constituents from Phellodendron chinense.[Methods]Compounds were isolated by silica gel,Sephadex LH-20,and ODS column chromatography,and their structures were determined by means of the spectral analysis and physicochemical properties.[Results]Eleven compounds were isolated and identified as berberine(1),obaculactone(2),shihulimonin A(3),N-p-coumaroyltyramine(4),1-(4-hydroxy-3-methoxyphenyl)-2-[4-(3-hydroxy-propyl)-2-methoxyphenoxy]-propane-1,3-diol(5),phellodendrine(6),magnoflorine(7),palmatine(8),jatrorrhizine(9),columbamine(10),and obacunone(11).[Conclusions]Compounds 3 and 5 were isolated from Phellodendron for the first time,and compound 4 was isolated from this plant for the first time.
文摘目的 基于网络药理学和分子对接探讨“寒凉”中药黄连、黄芩、黄柏(三黄)治疗痴呆的作用机制。方法 通过数据挖掘《宣明论方》,筛选出符合“寒凉”属性并且是治疗“痴呆症”的常见中药黄芩、黄连、黄柏。通过中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform, TCMSP)数据库检索“三黄”的有效成分和作用靶点,在GeneCards、DrugBank等数据库检索痴呆症(dementia)靶点。利用Cytoscape3.7.2构建“药物-成分-靶点”网络,用VENNY2.1获得“三黄”和痴呆症的交集靶点后,构建蛋白质互作网络(protein-protein interaction networks, PPI),利用Metascape库对核心靶点进行GO、KEGG富集分析,并构建“三黄”药物-成分-靶点-通路-疾病网络,最后利用分子对接,以反向验证“三黄”活性成分与核心靶点之间的关系。结果 筛选出“三黄”治疗痴呆症的重要活性成分有槲皮素、β-谷甾醇、小檗碱、黄连碱等,关键核心靶点有TP53、AKT1、IL6、JUN、MAPK14、TNF等。KEGG通路分析有129条,主要有AGE-RAGE信号介导的糖尿病并发症通路、PI3K-Akt信号通路、钙信号通路等;GO功能中,分子功能117条,细胞组成61条,生物过程1 366条,主要涉及配体激活转录因子活性、DNA结合转录因子结合等分子功能,膜微区、突触后膜等细胞组成,活性氧代谢过程、对脂多糖的反应、炎症反应等生物过程。分子对接结果可以看出重要活性成分与核心靶点全部对接成功。结论 本研究结果表明,“三黄”特有的药性优势,可以通过多成分、多靶点、多通路的方式治疗痴呆症,为“三黄”治疗痴呆症临床应用和机制研究提供了依据。
