Objective:To investigate the effect of Opuntia humifusa aqueous extract on gastric ulcers.Methods:An ethanol-induced model was used to examine the protective effect of Opuntia humifusa against gastric ulcers.The gastr...Objective:To investigate the effect of Opuntia humifusa aqueous extract on gastric ulcers.Methods:An ethanol-induced model was used to examine the protective effect of Opuntia humifusa against gastric ulcers.The gastric ulcer index was evaluated via clinical observation and image analysis.Various inflammatory indicators were determined by RTPCR and Western blotting assays.Results:The gastric ulcer index was reduced to 8%in the group treated with Opuntia humifusa aqueous extract compared with that in the control group.RT-PCR analysis revealed that MUC5 AC expression was reduced to 39%in the control group compared with the non-treated group,whereas the omeprazole and Opuntia humifusa aqueous extract-treated groups increased the expression to 95%and 79%,respectively.Moreover,the expressions of various cytokines including TNF-α,IL-1β,and IL-6 were increased in the control group,while decreasing in Opuntia humifusa aqueous extract-treated group.Opuntia humifusa aqueous extract also suppressed the expressions of iN OS,COX-2,and its transcription factor NF-κB and increased mucus content considerably as compared to the control group.Conclusions:These results suggest that Opuntia humifusa aqueous extract is suitable as an alternative remedy for gastric ulcer treatment.展开更多
目的采用色谱联用技术分析地锦草主要成分,并联合网络药理学预测其抗炎作用的潜在靶点和信号通路,阐明地锦草治疗炎症的作用机制。方法通过GC-MS、UPLC-Q-TOF-MS/MS技术分析地锦草的化学成分,借助中药系统药理数据库和分析平台(Traditio...目的采用色谱联用技术分析地锦草主要成分,并联合网络药理学预测其抗炎作用的潜在靶点和信号通路,阐明地锦草治疗炎症的作用机制。方法通过GC-MS、UPLC-Q-TOF-MS/MS技术分析地锦草的化学成分,借助中药系统药理数据库和分析平台(Traditional Chinese Medicine Systems Pharmacology,TCMSP)、地锦草相关文献筛选地锦草活性成分;采用SwissTargetPrediction数据库预测靶点,采用GeneCards、DrugBank、DisGeNET数据库获取地锦草相关治疗靶点,将成分靶点和疾病靶点取交集,获得交集靶点;凭借STRING 11.5数据库和Cytoscape 3.9.0软件构建蛋白质-蛋白质相互作用(protein-protein interaction,PPI)网络,并筛选核心靶点。采用DAVID 6.8进行GO注释和KEGG通路富集分析,构建“化合物-靶点-通路”网络。结果GC-MS、UPLC-Q-TOF-MS/MS分别鉴定出50、76种成分,筛选出地锦草抗炎的12个活性成分及214个成分靶点;根据数据库筛选得到10688个抗炎相关靶点、活性成分与疾病交集靶点198个;借助CytoNCA插件筛选出核心靶点37个;DAVID数据库富集分析显示,地锦草主要通过磷脂酰肌-3-激酶-蛋白激酶B(phosphatidylinositol-3-kinase-protein kinase B,PI3K/PKB)、酪氨酸激酶受体、血管内皮生长因子(vascular endothelial growth factor,VEGF)、甲状腺激素、雌激素等信号通路发挥治疗炎症的作用。结论地锦草通过多成分、多靶点、多途径发挥治疗炎症的作用,体现了中药复杂系统的作用特点,为全面阐释地锦草药效物质基础提供一定参考。展开更多
文摘Objective:To investigate the effect of Opuntia humifusa aqueous extract on gastric ulcers.Methods:An ethanol-induced model was used to examine the protective effect of Opuntia humifusa against gastric ulcers.The gastric ulcer index was evaluated via clinical observation and image analysis.Various inflammatory indicators were determined by RTPCR and Western blotting assays.Results:The gastric ulcer index was reduced to 8%in the group treated with Opuntia humifusa aqueous extract compared with that in the control group.RT-PCR analysis revealed that MUC5 AC expression was reduced to 39%in the control group compared with the non-treated group,whereas the omeprazole and Opuntia humifusa aqueous extract-treated groups increased the expression to 95%and 79%,respectively.Moreover,the expressions of various cytokines including TNF-α,IL-1β,and IL-6 were increased in the control group,while decreasing in Opuntia humifusa aqueous extract-treated group.Opuntia humifusa aqueous extract also suppressed the expressions of iN OS,COX-2,and its transcription factor NF-κB and increased mucus content considerably as compared to the control group.Conclusions:These results suggest that Opuntia humifusa aqueous extract is suitable as an alternative remedy for gastric ulcer treatment.
文摘目的采用色谱联用技术分析地锦草主要成分,并联合网络药理学预测其抗炎作用的潜在靶点和信号通路,阐明地锦草治疗炎症的作用机制。方法通过GC-MS、UPLC-Q-TOF-MS/MS技术分析地锦草的化学成分,借助中药系统药理数据库和分析平台(Traditional Chinese Medicine Systems Pharmacology,TCMSP)、地锦草相关文献筛选地锦草活性成分;采用SwissTargetPrediction数据库预测靶点,采用GeneCards、DrugBank、DisGeNET数据库获取地锦草相关治疗靶点,将成分靶点和疾病靶点取交集,获得交集靶点;凭借STRING 11.5数据库和Cytoscape 3.9.0软件构建蛋白质-蛋白质相互作用(protein-protein interaction,PPI)网络,并筛选核心靶点。采用DAVID 6.8进行GO注释和KEGG通路富集分析,构建“化合物-靶点-通路”网络。结果GC-MS、UPLC-Q-TOF-MS/MS分别鉴定出50、76种成分,筛选出地锦草抗炎的12个活性成分及214个成分靶点;根据数据库筛选得到10688个抗炎相关靶点、活性成分与疾病交集靶点198个;借助CytoNCA插件筛选出核心靶点37个;DAVID数据库富集分析显示,地锦草主要通过磷脂酰肌-3-激酶-蛋白激酶B(phosphatidylinositol-3-kinase-protein kinase B,PI3K/PKB)、酪氨酸激酶受体、血管内皮生长因子(vascular endothelial growth factor,VEGF)、甲状腺激素、雌激素等信号通路发挥治疗炎症的作用。结论地锦草通过多成分、多靶点、多途径发挥治疗炎症的作用,体现了中药复杂系统的作用特点,为全面阐释地锦草药效物质基础提供一定参考。