Objective:To explore the therapeutic target and molecular mechanism of Herba Eupatorii in the intervention of COVID-19(coronavirus disease 2019)by network pharmacology.Methods:TCMSP(Traditional Chinese Medicine System...Objective:To explore the therapeutic target and molecular mechanism of Herba Eupatorii in the intervention of COVID-19(coronavirus disease 2019)by network pharmacology.Methods:TCMSP(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform)and TCMIP V2.0(Integrative Pharmacology-based Research Platform of Traditional Chinese Medicine)databases were used to search the active ingredients and corresponding drug targets of Herba Eupatorii.Related targets of COVID-19 were searched in Genecards,pharmGKB,CTD,Drugbank and TTD databases.After the intersection targets were selected using VENNY 2.1 online platform,the PPI(protein-protein interaction)network was downloaded into STRING database,and the data were analyzed and sorted out using Cytoscape software to obtain the potential key targets for the treatment of COVID-19 by Herba Eupatorii.At the same time,using the data of active ingredients and intersection targets,a network of"TCM-active ingredients-key targets"was constructed in Cytoscape software to screen out chemical molecules with potential therapeutic effects.GO(Gene Ontology)functional enrichment analysis and KEGG(Kyoto Encyclopedia of Genes)pathway enrichment analysis of key target proteins were performed by R software.AutoDock Vina program was used for molecular docking of the top 5 active ingredients and key targets to calculate the minimum binding energy.Results:There were 26 active ingredients,160 targets,and 1969 pathogenic genes of COVID-19,among which 59 genes were intersection targets of drugs and diseases.After PPI network screening,the key target proteins were AKT1(RAC-alpha serine/threonine-protein kinase),JUN(transcription factor AP-1),TP53(cellular tumor antigen p53),ACTB(actin beta)and EGFR(epidermal growth factor receptor).Through the network of"TCM-Active Ingredients-Key Targets",Luteolin,Eupatolin,Stigmasterol,Eupatoriopicrin and Dammaradienyl acetate were identified as the active ingredients with potential therapeutic effects in the treatment of COVID-19.After R software was used for GO enrichment analysis,1978 GO items were obtained(P<0.05),including 1870 BP items,26 CC items and 82 MF items.149 pathways were obtained by KEGG enrichment analysis(P<0.05).It mainly involves IL-17(interleukin-17)signaling pathway,TNF(tumor necrosis factor)signaling pathway,C-type lectin receptor signaling pathway,PI3K-Akt(phosphatidylinositol 3 kinase-protein kinase B)signaling pathway,and T Cell receptor signaling pathway,etc.The molecular docking results showed that the active ingredients had good binding activity with key targets.Conclusion:Through the potential chemical constituents of Luteolin,Eupatolin,Stigmasterol,Eupatoriopicrin and Dammaradienyl acetate,Herba Eupatorii may act on AKT1,JUN,TP53,ACTB,EGFR and other targets.Involvement in IL-17 signaling pathway,TNF signaling pathway,C-Type Lectin receptor signaling pathway,PI3K-Akt signaling pathway,T Cell receptor signaling pathway and other pathways play an anti-inflammatory and antiviral roles in intervening in the occurrence and development of COVID-19.展开更多
建立不同产地佩兰药材中11个成分含量同步检测方法,并采用化学识别模式和灰色关联度分析(grey relational analysis,GRA)法对其质量差异性进行评价。收集8省18个批次佩兰样品,采用高效液相色谱法同时检测佩兰中芦丁、异鼠李素-3-O-芸香...建立不同产地佩兰药材中11个成分含量同步检测方法,并采用化学识别模式和灰色关联度分析(grey relational analysis,GRA)法对其质量差异性进行评价。收集8省18个批次佩兰样品,采用高效液相色谱法同时检测佩兰中芦丁、异鼠李素-3-O-芸香糖苷、木犀草素、槲皮素、蒲公英甾醇、β-谷甾醇、豆甾醇、延胡索酸、琥珀酸、1,2-苯并吡喃酮和泽兰内酯含量,建立佩兰多组分定量控制模式;采用化学识别模式和GRA法建立佩兰质量优劣评价模型,对其质量进行差异性评价。在构建的色谱条件下,外标法方法学验证符合《中华人民共和国药典》规定;一测多评法(quantitative analysis of multicomponents by single-marker,QAMS)与外标法检测结果基本无差异;化学识别模式结果提示18批样品聚为3类,芦丁、豆甾醇、木犀草素、槲皮素、1,2-苯并吡喃酮和β-谷甾醇可能是影响佩兰产品质量主要潜在标志物;GRA结果显示18批佩兰质量相对关联度分别为0.4185、0.4779、0.5446、0.5035、0.5099、0.5440、0.4868、0.3388、0.3548、0.3608、0.3298、0.2910、0.6186、0.6273、0.6447、0.6627、0.5462和0.5705,表明江苏、河北和山东产地佩兰整体质量较好。建立的同时测定佩兰中11种成分含量的QAMS法,操作便捷,结果准确;化学识别模式及GRA法客观全面,可用于不同产地佩兰的质量差异评价。展开更多
OBJECTIVE:To investigate the impact of Yemazhui(Herba Eupatorii Lindleyani,HEL)against lipopolysaccharide(LPS)-induced acute lung injury(ALI)and explore its underlying mechanism in vivo.METHODS:The chemical constituen...OBJECTIVE:To investigate the impact of Yemazhui(Herba Eupatorii Lindleyani,HEL)against lipopolysaccharide(LPS)-induced acute lung injury(ALI)and explore its underlying mechanism in vivo.METHODS:The chemical constituents of HEL were analyzed by ultra-high performance liquid chromatographyquadrupole time-of-flight mass spectrometry method.Then,HEL was found to suppress LPS-induced ALI in vivo.Six-week-old male Sprague-Dawley rats were randomly divided into 6 groups:control,LPS,Dexamethasone(Dex),HEL low dose 6 g/kg(HEL-L),HEL medium dose 18 g/kg(HEL-M)and HEL high dose 54 g/kg(HEL-H)groups.The model rats were intratracheally injected with 3 mg/kg LPS to establish an ALI model.Leukocyte counts,lung wet/dry weight ratio,as well as myeloperoxidase(MPO)activity were determined followed by the detection with hematoxylin and eosin staining,enzyme linked immunosorbent assay,quantitative real time polymerase chain reaction,western blotting,immunohistochemistry,and immunofluorescence.Besides,to explore the effect of HEL on ALI-mediated intestinal flora,we performed 16s rRNA sequencing analysis of intestinal contents.RESULTS:HEL attenuated LPS-induced inflammation in lung tissue and intestinal flora disturbance.Mechanism study indicated that HEL suppressed the lung coefficient and wet/dry weight ratio of LPS-induced ALI in rats,inhibited leukocytes exudation and MPO activity,and improved the pathological injury of lung tissue.In addition,HEL reduced the expression of tumor necrosis factoralpha,interleukin-1beta(IL-1β)and interleukin-6(IL-6)in bronchoalveolar lavage fluid and serum,and inhibited nuclear displacement of nuclear factor kappa-B p65(NF-κBp65).And 18 g/kg HEL also reduced the expression levels of toll-like receptor 4(TLR4),myeloid differentiation factor 88,NF-κBp65,phosphorylated inhibitor kappa B alpha(phospho-IκBα),nod-like receptor family pyrin domain-containing 3 protein(NLRP3),IL-1β,and interleukin-18(IL-18)in lung tissue,and regulated intestinal flora disturbance.CONCLUSIONS:In summary,our findings revealed that HEL has a protective effect on LPS-induced ALI in rats,and its mechanism may be related to inhibiting TLR4/NF-κB/NLRP3 signaling pathway and improving intestinal flora disturbance.展开更多
文摘Objective:To explore the therapeutic target and molecular mechanism of Herba Eupatorii in the intervention of COVID-19(coronavirus disease 2019)by network pharmacology.Methods:TCMSP(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform)and TCMIP V2.0(Integrative Pharmacology-based Research Platform of Traditional Chinese Medicine)databases were used to search the active ingredients and corresponding drug targets of Herba Eupatorii.Related targets of COVID-19 were searched in Genecards,pharmGKB,CTD,Drugbank and TTD databases.After the intersection targets were selected using VENNY 2.1 online platform,the PPI(protein-protein interaction)network was downloaded into STRING database,and the data were analyzed and sorted out using Cytoscape software to obtain the potential key targets for the treatment of COVID-19 by Herba Eupatorii.At the same time,using the data of active ingredients and intersection targets,a network of"TCM-active ingredients-key targets"was constructed in Cytoscape software to screen out chemical molecules with potential therapeutic effects.GO(Gene Ontology)functional enrichment analysis and KEGG(Kyoto Encyclopedia of Genes)pathway enrichment analysis of key target proteins were performed by R software.AutoDock Vina program was used for molecular docking of the top 5 active ingredients and key targets to calculate the minimum binding energy.Results:There were 26 active ingredients,160 targets,and 1969 pathogenic genes of COVID-19,among which 59 genes were intersection targets of drugs and diseases.After PPI network screening,the key target proteins were AKT1(RAC-alpha serine/threonine-protein kinase),JUN(transcription factor AP-1),TP53(cellular tumor antigen p53),ACTB(actin beta)and EGFR(epidermal growth factor receptor).Through the network of"TCM-Active Ingredients-Key Targets",Luteolin,Eupatolin,Stigmasterol,Eupatoriopicrin and Dammaradienyl acetate were identified as the active ingredients with potential therapeutic effects in the treatment of COVID-19.After R software was used for GO enrichment analysis,1978 GO items were obtained(P<0.05),including 1870 BP items,26 CC items and 82 MF items.149 pathways were obtained by KEGG enrichment analysis(P<0.05).It mainly involves IL-17(interleukin-17)signaling pathway,TNF(tumor necrosis factor)signaling pathway,C-type lectin receptor signaling pathway,PI3K-Akt(phosphatidylinositol 3 kinase-protein kinase B)signaling pathway,and T Cell receptor signaling pathway,etc.The molecular docking results showed that the active ingredients had good binding activity with key targets.Conclusion:Through the potential chemical constituents of Luteolin,Eupatolin,Stigmasterol,Eupatoriopicrin and Dammaradienyl acetate,Herba Eupatorii may act on AKT1,JUN,TP53,ACTB,EGFR and other targets.Involvement in IL-17 signaling pathway,TNF signaling pathway,C-Type Lectin receptor signaling pathway,PI3K-Akt signaling pathway,T Cell receptor signaling pathway and other pathways play an anti-inflammatory and antiviral roles in intervening in the occurrence and development of COVID-19.
文摘佩兰为菊科植物佩兰Eupatorium fortune Turcz.的干燥地上部分,具有芳香化湿、醒脾开胃、发表解暑等多种功效,主治湿浊中阻、脘痞呕恶、口中甜腻、口臭、多涎、暑湿表证、湿温初起、发热倦怠、胸闷不舒等病症。通过搜索中国知网、PubMed、SciFinder、Web of Science等数据库,查找国内外已经发表的佩兰相关文献,对近30年佩兰的化学成分和生物活性研究进行系统地梳理、归纳,发现目前已从佩兰中共分离出超过90种化合物,包括挥发油类、百里酚类、生物碱类、萜类、酚类等,其中百里酚类、生物碱类和萜类为主要成分。生物活性研究显示佩兰提取物及其活性成分具有抗病毒、抗糖尿病、抑菌、抗炎等多种生物活性,其作用机制可能与抑制或激活相关信号通路或相关蛋白表达等有关。为佩兰资源后续深入系统地研究和临床开发提供理论参考和科学依据。
文摘建立不同产地佩兰药材中11个成分含量同步检测方法,并采用化学识别模式和灰色关联度分析(grey relational analysis,GRA)法对其质量差异性进行评价。收集8省18个批次佩兰样品,采用高效液相色谱法同时检测佩兰中芦丁、异鼠李素-3-O-芸香糖苷、木犀草素、槲皮素、蒲公英甾醇、β-谷甾醇、豆甾醇、延胡索酸、琥珀酸、1,2-苯并吡喃酮和泽兰内酯含量,建立佩兰多组分定量控制模式;采用化学识别模式和GRA法建立佩兰质量优劣评价模型,对其质量进行差异性评价。在构建的色谱条件下,外标法方法学验证符合《中华人民共和国药典》规定;一测多评法(quantitative analysis of multicomponents by single-marker,QAMS)与外标法检测结果基本无差异;化学识别模式结果提示18批样品聚为3类,芦丁、豆甾醇、木犀草素、槲皮素、1,2-苯并吡喃酮和β-谷甾醇可能是影响佩兰产品质量主要潜在标志物;GRA结果显示18批佩兰质量相对关联度分别为0.4185、0.4779、0.5446、0.5035、0.5099、0.5440、0.4868、0.3388、0.3548、0.3608、0.3298、0.2910、0.6186、0.6273、0.6447、0.6627、0.5462和0.5705,表明江苏、河北和山东产地佩兰整体质量较好。建立的同时测定佩兰中11种成分含量的QAMS法,操作便捷,结果准确;化学识别模式及GRA法客观全面,可用于不同产地佩兰的质量差异评价。
基金Natural Science Foundation Project of Chongqing Municipality:a Metabolome-based Study on the Protective Mechanism of Yemazhui(Herba Eupatorii Lindleyani)Sesquiterpene Lactones Against Acute Lung Injury(No.cstc2021jcyj-msxmX0365)Science and Technology Research Program of Chongqing Municipal Education Commission:a Cytokine Storm-based Study of the Protective Effect of Yemazhui(Herba Eupatorii Lindleyani)Extract Intervention on COVID-19 Lung Injury(No.KJZD-K202215101)。
文摘OBJECTIVE:To investigate the impact of Yemazhui(Herba Eupatorii Lindleyani,HEL)against lipopolysaccharide(LPS)-induced acute lung injury(ALI)and explore its underlying mechanism in vivo.METHODS:The chemical constituents of HEL were analyzed by ultra-high performance liquid chromatographyquadrupole time-of-flight mass spectrometry method.Then,HEL was found to suppress LPS-induced ALI in vivo.Six-week-old male Sprague-Dawley rats were randomly divided into 6 groups:control,LPS,Dexamethasone(Dex),HEL low dose 6 g/kg(HEL-L),HEL medium dose 18 g/kg(HEL-M)and HEL high dose 54 g/kg(HEL-H)groups.The model rats were intratracheally injected with 3 mg/kg LPS to establish an ALI model.Leukocyte counts,lung wet/dry weight ratio,as well as myeloperoxidase(MPO)activity were determined followed by the detection with hematoxylin and eosin staining,enzyme linked immunosorbent assay,quantitative real time polymerase chain reaction,western blotting,immunohistochemistry,and immunofluorescence.Besides,to explore the effect of HEL on ALI-mediated intestinal flora,we performed 16s rRNA sequencing analysis of intestinal contents.RESULTS:HEL attenuated LPS-induced inflammation in lung tissue and intestinal flora disturbance.Mechanism study indicated that HEL suppressed the lung coefficient and wet/dry weight ratio of LPS-induced ALI in rats,inhibited leukocytes exudation and MPO activity,and improved the pathological injury of lung tissue.In addition,HEL reduced the expression of tumor necrosis factoralpha,interleukin-1beta(IL-1β)and interleukin-6(IL-6)in bronchoalveolar lavage fluid and serum,and inhibited nuclear displacement of nuclear factor kappa-B p65(NF-κBp65).And 18 g/kg HEL also reduced the expression levels of toll-like receptor 4(TLR4),myeloid differentiation factor 88,NF-κBp65,phosphorylated inhibitor kappa B alpha(phospho-IκBα),nod-like receptor family pyrin domain-containing 3 protein(NLRP3),IL-1β,and interleukin-18(IL-18)in lung tissue,and regulated intestinal flora disturbance.CONCLUSIONS:In summary,our findings revealed that HEL has a protective effect on LPS-induced ALI in rats,and its mechanism may be related to inhibiting TLR4/NF-κB/NLRP3 signaling pathway and improving intestinal flora disturbance.