目的:基于网络药理学方法探讨牛蒡子的药理作用机制。方法:本研究利用TCMSP、UniProt、CTD等数据库分析牛蒡子的化学成分、靶点、疾病,并利用DAVID数据库进行基因本体(gene ontology,GO)富集分析及基因组百科全书(kyoto encyclopedia of...目的:基于网络药理学方法探讨牛蒡子的药理作用机制。方法:本研究利用TCMSP、UniProt、CTD等数据库分析牛蒡子的化学成分、靶点、疾病,并利用DAVID数据库进行基因本体(gene ontology,GO)富集分析及基因组百科全书(kyoto encyclopedia of genes and genomes,KEGG)通路分析,并采用Cytoscape软件绘图。结果:检索数据分析选出8个备选化合物、筛选出相关的50个靶蛋白,这些化合物及靶蛋白与354类疾病密切关联;GO富集分析显示最为密切的生物过程与细胞炎症、凋亡相关;KEGG富集分析显示最具显著性的通路与心血管、糖尿病、肿瘤有关。结论:本研究系统地探讨牛蒡子的主要成分最为相关的靶点及其作用机制,为临床研究提供了新的思路。展开更多
Objective To develop a quantitative method for simultaneously determining multi-components in Rhei Radix et Rhizoma using one chemical reference substance.Methods The contents of multi-components were calculated by th...Objective To develop a quantitative method for simultaneously determining multi-components in Rhei Radix et Rhizoma using one chemical reference substance.Methods The contents of multi-components were calculated by the UV relative correction factors(RCFs)of chrysophanol,physcion,and rhein to emodin.Results The values of RCFs at 274 nm for rhein,chrysophanol,and physcion to emodin were 0.712,0.674,and 1.051.The calibration curves were linear over the ranges of 0.02-4.08,0.02-4.12,0.07-12.92,and 0.02-3.68μg/mL for rhein,emodin, chrysophanol,and physcion,respectively.The contents of emodin in 18 samples were determined by the external standard method,and the contents of the other three anthraquinone aglycones were calculated according to their RCFs. Conclusion No significant difference is found in comparison with the classical method,indicating that the RCFs have high reliability within their linear ranges and could be used in quality control of Rhei Radix et Rhizoma.The quantitative analysis of multi-component with a single marker is especially suitable for herbal medicines containing unstable or hard to be purified components as quality control markers.展开更多
文摘目的:基于网络药理学方法探讨牛蒡子的药理作用机制。方法:本研究利用TCMSP、UniProt、CTD等数据库分析牛蒡子的化学成分、靶点、疾病,并利用DAVID数据库进行基因本体(gene ontology,GO)富集分析及基因组百科全书(kyoto encyclopedia of genes and genomes,KEGG)通路分析,并采用Cytoscape软件绘图。结果:检索数据分析选出8个备选化合物、筛选出相关的50个靶蛋白,这些化合物及靶蛋白与354类疾病密切关联;GO富集分析显示最为密切的生物过程与细胞炎症、凋亡相关;KEGG富集分析显示最具显著性的通路与心血管、糖尿病、肿瘤有关。结论:本研究系统地探讨牛蒡子的主要成分最为相关的靶点及其作用机制,为临床研究提供了新的思路。
基金supported by Hi-Tech Research and Development Program of China(No. 2006AA02Z336)National Key Technology R&D Program of China(No. 2006BAI098B08-08)New Drug Basic Research Program of the Shanghai Institute of Materia Medica,Chinese Academy of Sciences (No.O7G603F015)~~
文摘Objective To develop a quantitative method for simultaneously determining multi-components in Rhei Radix et Rhizoma using one chemical reference substance.Methods The contents of multi-components were calculated by the UV relative correction factors(RCFs)of chrysophanol,physcion,and rhein to emodin.Results The values of RCFs at 274 nm for rhein,chrysophanol,and physcion to emodin were 0.712,0.674,and 1.051.The calibration curves were linear over the ranges of 0.02-4.08,0.02-4.12,0.07-12.92,and 0.02-3.68μg/mL for rhein,emodin, chrysophanol,and physcion,respectively.The contents of emodin in 18 samples were determined by the external standard method,and the contents of the other three anthraquinone aglycones were calculated according to their RCFs. Conclusion No significant difference is found in comparison with the classical method,indicating that the RCFs have high reliability within their linear ranges and could be used in quality control of Rhei Radix et Rhizoma.The quantitative analysis of multi-component with a single marker is especially suitable for herbal medicines containing unstable or hard to be purified components as quality control markers.
