目的借助网络药理学技术,通过筛选蒙药翻白草活性成分作用靶点和疾病靶点,建立“成分-靶点-疾病”网络,探讨翻白草治疗2型糖尿病的作用机制,为传统蒙药寻找新的作用靶点提供理论依据,为其实验验证及药理研究奠定基础。方法利用中药系统...目的借助网络药理学技术,通过筛选蒙药翻白草活性成分作用靶点和疾病靶点,建立“成分-靶点-疾病”网络,探讨翻白草治疗2型糖尿病的作用机制,为传统蒙药寻找新的作用靶点提供理论依据,为其实验验证及药理研究奠定基础。方法利用中药系统药理数据库分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)查询翻白草活性成分,获得相对应的靶蛋白,通过GeneCards数据库筛选有关2型糖尿病的相关靶点,并利用Venny软件获得翻白草活性成分和糖尿病的靶点交集;使用STRING数据库构建化合物的蛋白互作网络(protein interaction network,PPI),利用Metascape数据库进一步进行基因本体(gene ontology,GO)生物功能以及京都基因和基因组数据库(Kyoto encyclopedia of genes and genomes,KEGG)通路富集分析。结果通过TCMSP数据库查询以及条件筛选,获得5个候选活性分子,潜在靶点共104个,相关通路250条,通过GO和KEGG富集分析得出翻白草主要通过调控癌症通路,糖尿病并发症中AGE-RAGE信号通路以及脂质与动脉粥样硬化相关通路等发挥作用。结论翻白草治疗2型糖尿病并发症主要通过调控AGE-RAGE信号通路,使其具有降低血糖的作用,为进一步实验验证奠定了良好基础。展开更多
Ten compounds were obtained from the 90% ethanol extract of whole plant of Potentilla discolor Bunge.On the basis of physicochemical properties and spectral data,these compounds are identified as follows: oleanolic ac...Ten compounds were obtained from the 90% ethanol extract of whole plant of Potentilla discolor Bunge.On the basis of physicochemical properties and spectral data,these compounds are identified as follows: oleanolic acid(Ⅰ),kaempferol-7-O-α-L-rhamnoside(Ⅱ),quercetin-7-O-α-L-rhamnoside(Ⅲ),2α,3α-dihydroxyolean-12-ene-28-acid(Ⅳ),brevifolin(Ⅴ),ellagic acid-3,3′-dimethyl ether-4-O-β-D-glucopyranoside(Ⅵ),ellagic acid-3-methyl ether-4′-O-α-rhamnopyranoside(Ⅶ),2α-hydroxy-betulinic acid(Ⅷ),sitosterol(Ⅸ) and daucosterol(Ⅹ).In which,compound Ⅱ,Ⅲ and Ⅴ are isolated from genus Potentilla L.for the first time,and compound Ⅳ is isolated from P.discolor for the first time.展开更多
文摘目的借助网络药理学技术,通过筛选蒙药翻白草活性成分作用靶点和疾病靶点,建立“成分-靶点-疾病”网络,探讨翻白草治疗2型糖尿病的作用机制,为传统蒙药寻找新的作用靶点提供理论依据,为其实验验证及药理研究奠定基础。方法利用中药系统药理数据库分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)查询翻白草活性成分,获得相对应的靶蛋白,通过GeneCards数据库筛选有关2型糖尿病的相关靶点,并利用Venny软件获得翻白草活性成分和糖尿病的靶点交集;使用STRING数据库构建化合物的蛋白互作网络(protein interaction network,PPI),利用Metascape数据库进一步进行基因本体(gene ontology,GO)生物功能以及京都基因和基因组数据库(Kyoto encyclopedia of genes and genomes,KEGG)通路富集分析。结果通过TCMSP数据库查询以及条件筛选,获得5个候选活性分子,潜在靶点共104个,相关通路250条,通过GO和KEGG富集分析得出翻白草主要通过调控癌症通路,糖尿病并发症中AGE-RAGE信号通路以及脂质与动脉粥样硬化相关通路等发挥作用。结论翻白草治疗2型糖尿病并发症主要通过调控AGE-RAGE信号通路,使其具有降低血糖的作用,为进一步实验验证奠定了良好基础。
文摘Ten compounds were obtained from the 90% ethanol extract of whole plant of Potentilla discolor Bunge.On the basis of physicochemical properties and spectral data,these compounds are identified as follows: oleanolic acid(Ⅰ),kaempferol-7-O-α-L-rhamnoside(Ⅱ),quercetin-7-O-α-L-rhamnoside(Ⅲ),2α,3α-dihydroxyolean-12-ene-28-acid(Ⅳ),brevifolin(Ⅴ),ellagic acid-3,3′-dimethyl ether-4-O-β-D-glucopyranoside(Ⅵ),ellagic acid-3-methyl ether-4′-O-α-rhamnopyranoside(Ⅶ),2α-hydroxy-betulinic acid(Ⅷ),sitosterol(Ⅸ) and daucosterol(Ⅹ).In which,compound Ⅱ,Ⅲ and Ⅴ are isolated from genus Potentilla L.for the first time,and compound Ⅳ is isolated from P.discolor for the first time.