OBJECTIVE:To investigate the neuroprotective effects of Fructus Chebulae extract using both in vivo and invitromodels of cerebral ischemia.METHODS:As an in vitro model,oxygen glucose deprivation followed by reoxygenat...OBJECTIVE:To investigate the neuroprotective effects of Fructus Chebulae extract using both in vivo and invitromodels of cerebral ischemia.METHODS:As an in vitro model,oxygen glucose deprivation followed by reoxygenation(OGD-R)and hydrogen peroxide(H2O2)induced cellular damage in rat pheochromocytoma(PC12)cells was used to investigate the neuroprotective effects of extract of Fructus Chebulae.3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was used to calculate cell survival.For in vivo,occlusion of left middle cerebral artery on rats was carried out as a focal cerebral ischemic model.RESULTS:Fructus Chebulae extract increases the PC12 cell survival against OGD-R and H2O2by 68%and 91.4%respectively.Fructus Chebulae also de-creases the cerebral infarct volume by 39%and extent of hemisphere swelling from 17%in control group to 10%in FructusChebulaetreated group.CONCLUSION:Fructus Chebulae,as a traditional medicine,can rescue the neuronal cell death against ischemia related damage.The possible mechanism for the neuroprotection might be the inhibition of oxidative damages occurring after acute phase of cerebral ischemia.展开更多
目的:基于网络药理学探讨诃子治疗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)的作用机制。方法:通过中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Pl...目的:基于网络药理学探讨诃子治疗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)的作用机制。方法:通过中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)检索诃子的化学成分,Swiss Target Prediction数据库获取诃子的作用靶点。采用OMIM、GeneCards、DisGeNET数据库预测COPD作用靶点,借助微生信平台获取诃子与COPD的交集靶点。将交集靶点导入STRING数据库,构建蛋白质-蛋白质相互作用(protein-protein interaction,PPI)网络。基于Centispace插件进行拓扑分析,从而筛选诃子治疗COPD的核心靶点。采用DAVID数据库进行基因本体(Gene Ontology,GO)和京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)分析。结果:诃子活性成分8种,作用靶点333个,活性成分包括鞣花酸、番泻苷E、7-脱氢豆甾醇等。COPD作用靶点8805个,其与诃子的交集靶点253个。通过筛选得到10个核心靶点,包括信号转导和转录激活因子3(signal transducer and activator of transcription 3,STAT3)、丝氨酸/苏氨酸蛋白激酶1(serine/threonine kinase 1,AKT1)、丝裂原活化蛋白激酶3(mitogen-activated protein kinase 3,MAPK3)等。GO功能分析主要富集于细胞凋亡、G蛋白偶联血清素受体活性、RNA聚合酶Ⅱ转录因子活性等,KEGG通路主要包括PI3K-Akt信号通路、HIF-1信号通路、ErbB信号通路等。结论:诃子通过多成分、多通路、多靶点发挥治疗COPD的作用。展开更多
基金Supported by a Grant of the Korean Health Technology Re-search and Development Project,Ministry of Health&Wel-fare(B110072)National Research Foundation of Korea Funded by the Ministry of Science,Information and Commu-nication Technology&Future Planning,Republic of Korea(2012M3A9C4048795)
文摘OBJECTIVE:To investigate the neuroprotective effects of Fructus Chebulae extract using both in vivo and invitromodels of cerebral ischemia.METHODS:As an in vitro model,oxygen glucose deprivation followed by reoxygenation(OGD-R)and hydrogen peroxide(H2O2)induced cellular damage in rat pheochromocytoma(PC12)cells was used to investigate the neuroprotective effects of extract of Fructus Chebulae.3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was used to calculate cell survival.For in vivo,occlusion of left middle cerebral artery on rats was carried out as a focal cerebral ischemic model.RESULTS:Fructus Chebulae extract increases the PC12 cell survival against OGD-R and H2O2by 68%and 91.4%respectively.Fructus Chebulae also de-creases the cerebral infarct volume by 39%and extent of hemisphere swelling from 17%in control group to 10%in FructusChebulaetreated group.CONCLUSION:Fructus Chebulae,as a traditional medicine,can rescue the neuronal cell death against ischemia related damage.The possible mechanism for the neuroprotection might be the inhibition of oxidative damages occurring after acute phase of cerebral ischemia.
文摘目的:基于网络药理学探讨诃子治疗慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)的作用机制。方法:通过中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform,TCMSP)检索诃子的化学成分,Swiss Target Prediction数据库获取诃子的作用靶点。采用OMIM、GeneCards、DisGeNET数据库预测COPD作用靶点,借助微生信平台获取诃子与COPD的交集靶点。将交集靶点导入STRING数据库,构建蛋白质-蛋白质相互作用(protein-protein interaction,PPI)网络。基于Centispace插件进行拓扑分析,从而筛选诃子治疗COPD的核心靶点。采用DAVID数据库进行基因本体(Gene Ontology,GO)和京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)分析。结果:诃子活性成分8种,作用靶点333个,活性成分包括鞣花酸、番泻苷E、7-脱氢豆甾醇等。COPD作用靶点8805个,其与诃子的交集靶点253个。通过筛选得到10个核心靶点,包括信号转导和转录激活因子3(signal transducer and activator of transcription 3,STAT3)、丝氨酸/苏氨酸蛋白激酶1(serine/threonine kinase 1,AKT1)、丝裂原活化蛋白激酶3(mitogen-activated protein kinase 3,MAPK3)等。GO功能分析主要富集于细胞凋亡、G蛋白偶联血清素受体活性、RNA聚合酶Ⅱ转录因子活性等,KEGG通路主要包括PI3K-Akt信号通路、HIF-1信号通路、ErbB信号通路等。结论:诃子通过多成分、多通路、多靶点发挥治疗COPD的作用。