Traditional Chinese medicine(TCM)Phellodendri Chinensis Cortex(PCC)has been used for the treatment of human hepatocellular carcinoma,but the underlying mechanisms are still unclear.In this study,15 active compositions...Traditional Chinese medicine(TCM)Phellodendri Chinensis Cortex(PCC)has been used for the treatment of human hepatocellular carcinoma,but the underlying mechanisms are still unclear.In this study,15 active compositions of PCC were obtained from Traditional Chinese Medicine Systems Pharmacology Database(TCMSP),and 505 putative identified targets of PCC were screened by Swiss Target Prediction server.Next,HCC data was downloaded from Drugbank and GeneCards databases.Furtherly,45 common targets were revealed.The network diagrams of the active component-target network,protein-protein interaction(PPI)network and active component-target-pathway network were constructed using Cytoscape software.The analysis of the network results showed that the active ingredients of PCC,such as berberine,obacunone,rutaecarpine,candletoxin A,palmatine,isocorypalmine,quercetin,and(S)-Canadine,had a good binding activity with more targets.Additionally,Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analyses revealed that common targets were significantly enriched in Ras signaling pathway,ErbB signaling pathway,and Mammalian target of rapamycin(mTOR)signaling pathway.Altogether,the multi-component,multi-target,and multi-pathway characteristics of PCC provided a reference for the in-depth study of the mechanism of PCC in the treatment of HCC.展开更多
A rapid method for the simultaneous determination of berberine(BBR),matrine(MT)and oxymatrine(OMT)by nonaqueous capillary electrophoresis(NACE)was developed.Optimum separation of the analytes was obtained on a 50cm...A rapid method for the simultaneous determination of berberine(BBR),matrine(MT)and oxymatrine(OMT)by nonaqueous capillary electrophoresis(NACE)was developed.Optimum separation of the analytes was obtained on a 50cm×50μm i.d.fused-silica capillary using a non-aqueous buffer system of 70mM ammonium acetate,7.0% acetic acid and 10% acetonitrile at 25kV and 20℃.The relative standard deviations(R.S.D.)of the migration times and peak areas of the three active components were 0.06%-0.20% and 0.12%-3.41% for berberine,0.11%-0.60% and 0.74%-1.63% for matrine,0.15% and 0.45% for oxymatrine,respectively.Detection limits of berberine,matrine and oxymtrine were 0.18μg/mL,4.08μg/mL and 4.16μg/mL,respectively.In the tested concentration range,good linear relationships(0.9992 for berberine,0.9988 for matrine and 0.9988 for oxymatrine)were observed.The linear calibration ranges were 0.45-360.0μg/mL for berberine,8.16-408.0μg/mL for matrine and 20.8-416.0μg/mL for oxymatrine.This method has been successfully applied to the phytochemical analysis of alkaloids extracts from two commonly used traditional Chinese herbal drugs:Sophora flavescens Ait.(Kushen)and Cortex phellodendri chinensis(Huangbai)and their medicinal preparations.展开更多
文摘Traditional Chinese medicine(TCM)Phellodendri Chinensis Cortex(PCC)has been used for the treatment of human hepatocellular carcinoma,but the underlying mechanisms are still unclear.In this study,15 active compositions of PCC were obtained from Traditional Chinese Medicine Systems Pharmacology Database(TCMSP),and 505 putative identified targets of PCC were screened by Swiss Target Prediction server.Next,HCC data was downloaded from Drugbank and GeneCards databases.Furtherly,45 common targets were revealed.The network diagrams of the active component-target network,protein-protein interaction(PPI)network and active component-target-pathway network were constructed using Cytoscape software.The analysis of the network results showed that the active ingredients of PCC,such as berberine,obacunone,rutaecarpine,candletoxin A,palmatine,isocorypalmine,quercetin,and(S)-Canadine,had a good binding activity with more targets.Additionally,Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analyses revealed that common targets were significantly enriched in Ras signaling pathway,ErbB signaling pathway,and Mammalian target of rapamycin(mTOR)signaling pathway.Altogether,the multi-component,multi-target,and multi-pathway characteristics of PCC provided a reference for the in-depth study of the mechanism of PCC in the treatment of HCC.
基金supported by the National Natural Science Foundation of China(No.30730110)
文摘A rapid method for the simultaneous determination of berberine(BBR),matrine(MT)and oxymatrine(OMT)by nonaqueous capillary electrophoresis(NACE)was developed.Optimum separation of the analytes was obtained on a 50cm×50μm i.d.fused-silica capillary using a non-aqueous buffer system of 70mM ammonium acetate,7.0% acetic acid and 10% acetonitrile at 25kV and 20℃.The relative standard deviations(R.S.D.)of the migration times and peak areas of the three active components were 0.06%-0.20% and 0.12%-3.41% for berberine,0.11%-0.60% and 0.74%-1.63% for matrine,0.15% and 0.45% for oxymatrine,respectively.Detection limits of berberine,matrine and oxymtrine were 0.18μg/mL,4.08μg/mL and 4.16μg/mL,respectively.In the tested concentration range,good linear relationships(0.9992 for berberine,0.9988 for matrine and 0.9988 for oxymatrine)were observed.The linear calibration ranges were 0.45-360.0μg/mL for berberine,8.16-408.0μg/mL for matrine and 20.8-416.0μg/mL for oxymatrine.This method has been successfully applied to the phytochemical analysis of alkaloids extracts from two commonly used traditional Chinese herbal drugs:Sophora flavescens Ait.(Kushen)and Cortex phellodendri chinensis(Huangbai)and their medicinal preparations.
