OBJECTIVE Hedyotis diffusa Willd and Scutellaria barbata D Don are most commonly used herb pair for cancer treatment in traditional Chinese medicine.This study aimed to evaluated the in vitro and in vivo antitumor eff...OBJECTIVE Hedyotis diffusa Willd and Scutellaria barbata D Don are most commonly used herb pair for cancer treatment in traditional Chinese medicine.This study aimed to evaluated the in vitro and in vivo antitumor effects and the compatibility mechanisms of Hedyotis diffusa-Sculellaria barbata herb pair.METHODS Hedyotic diffusa extract,Scutellariae Barbatae extract,and herb pair extract were prepared and the component were detected by UPLC-Q-TOF-MS.The effects of different concentrations of Hedyotic diffusa extract,Scutellariae Barbatae extract,and herb pair extract were detected using MTS assay.The in vivo antitumor effects were evaluated in Panc28 pancreatic cells bearing nude mice model.The compatibility mechanism of Hedyotis diffusa-Sculellaria barbata herb pair were evaluated based on the network pharmacology,using TCMSP,Cytoscape 3.6.1 software,and DAVID 6.8.The anticancer mechanism were further validated in vitro.RESULTS Both the MTS and in vivo results showed that herb pair extract showed more obvious inhibitory effects on cancer cells compared to each individual.A total of 37 active components were selected from Hedyotis diffusa and Sculellaria barbata,33 kinds of active ingredients are involved in their anti-tumor effects.58 cancer-related targets and 66 KEGG pathways were identified.The potential targets for the herb pair might be prostaglandin G/H synthase 2(PTGS2),HSP90,EGFR,72 ku typeⅣcollagenase,PPAR-γ,et al.In vitro validation result showed that compatibility mech⁃anisms was related with HSP90,EGFR related pathways.CONCLUSION The result of the study preliminarily verified the basic anti-tumor pharmacological effects of Hedyotis diffusa-Sculellaria barbata herb pair,and lays a solid foundation for further studies on the anti-tumor mechanism of the herbal pair.展开更多
[Objectives]This study aimed to investigate the effect of polysaccharides from Hedyotis diffusa on the immune cells of the intestinal mucosa of chicks.[Methods]Total 200 seven-day-old AA chicks were evenly and randoml...[Objectives]This study aimed to investigate the effect of polysaccharides from Hedyotis diffusa on the immune cells of the intestinal mucosa of chicks.[Methods]Total 200 seven-day-old AA chicks were evenly and randomly divided into four groups:control group and three treatment groups.The chicks in the control group(group I)were fed basal diet,and those in the treatment groups were fed with basal diet supplemented with 0.4(group II),0.8(group III)and 1.2(group IV)g/kg H.diffusa polysaccharides(OPS),respectively.At the age of 14,28 and 42 d,10 chicks from each of the groups were sacrificed,respectively for counting of intraepithelial lymphocytes(IELs)and lamina propria secretory IgA(SIgA)positive cells in small intestinal mucosa.[Results]At the age of 14 d,the duodenal and jejunal IEL and SIgA positive cell counts in groups II,III and IV were significantly greater than those in group I(P<0.05).At the age of 28 d,the jejunal IEL count of group IV was significantly lower than those of groups I,II and III(P<0.05);and there was no significant difference in IEL or SIgA positive cell count between group I and the other groups(P>0.05).At the age of 42 d,the duodenal and jejunal IEL counts in group II were significantly greater than those in groups I,III and IV(P<0.05),while the differences in duodenal and jejunal IEL count between groups III,IV and I were insignificant(P>0.05).The duodenal SIgA positive cell counts in the treatment groups were insignificantly different from that in group I(P>0.05).The jejunal SIgA positive cell count in group II was significantly greater than those in groups I,III and IV(P<0.05).There was no significant difference in jejunal SIgA positive cell count between groups III and IV and group I(P>0.05).[Conclusions]OPS at 0.4 g/kg can promote the proliferation of immune cells in the small intestine mucosa of 14-42-day-old AA chicks,and it is recommended to be added to the feed.展开更多
目的 基于网络药理学及分子对接技术,探究白花蛇舌草和半枝莲药治疗卵巢癌的作用机制。并对药对活性成分槲皮素进行体外细胞实验,验证其对卵巢癌的作用。方法 从中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems P...目的 基于网络药理学及分子对接技术,探究白花蛇舌草和半枝莲药治疗卵巢癌的作用机制。并对药对活性成分槲皮素进行体外细胞实验,验证其对卵巢癌的作用。方法 从中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology,TCMSP)数据库筛选白花蛇舌草和半枝莲的活性成分并找出对应的靶点;在GeneCards数据库中检索出卵巢癌相关靶点;用jvenn在线作图工具得到药对和疾病相同的靶点交集;将交集靶点导入STRING平台,构建蛋白质-蛋白质相互作用(protein-protein interaction network,PPI)关系,用Cytoscape做出白花蛇舌草和半枝莲药对治疗卵巢癌的主要靶点图,用Metascape数据库对主要靶点进行基因本体(GO)富集分析和京都基因与基因组百科全书(KEGG)通路富集分析。用分子对接对结果进行验证。并对白花蛇舌草-半枝莲活性成分槲皮素进行CCK-8细胞增殖实验和流式细胞术检测细胞凋亡实验。结果 与卵巢癌相关的白花蛇舌草-半枝莲药对成分-靶点网络中包含30种成分、109个靶点。其相关性位于前3位的候选化合物分子为槲皮素、木犀草素、β-谷甾醇。这些成分通过AKT1、BCL2L1、CASP3、CASP7等信号蛋白来抑制卵巢癌细胞的生长和转移,涉及信号通路有癌症的途径、乙型肝炎、脂质和动脉粥样硬化、AGE-RAGE信号通路在糖尿病并发症中的应用、PI3K-AKT信号通路等。分子对接结果显示核心成分与核心靶点均有较好的结合能力。不同浓度槲皮素可明显抑制卵巢癌细胞增殖,且浓度越高细胞抑制率越高,细胞凋亡率也随浓度增高,数据结果差异有统计学意义(P<0.01)。结论 从网络药理学和分子对接技术得出白花蛇舌草和半枝莲药对可通过多成分、多靶点、多通路治疗卵巢癌的作用机制。槲皮素能有效抑制卵巢癌细胞并促进其凋亡。展开更多
文摘OBJECTIVE Hedyotis diffusa Willd and Scutellaria barbata D Don are most commonly used herb pair for cancer treatment in traditional Chinese medicine.This study aimed to evaluated the in vitro and in vivo antitumor effects and the compatibility mechanisms of Hedyotis diffusa-Sculellaria barbata herb pair.METHODS Hedyotic diffusa extract,Scutellariae Barbatae extract,and herb pair extract were prepared and the component were detected by UPLC-Q-TOF-MS.The effects of different concentrations of Hedyotic diffusa extract,Scutellariae Barbatae extract,and herb pair extract were detected using MTS assay.The in vivo antitumor effects were evaluated in Panc28 pancreatic cells bearing nude mice model.The compatibility mechanism of Hedyotis diffusa-Sculellaria barbata herb pair were evaluated based on the network pharmacology,using TCMSP,Cytoscape 3.6.1 software,and DAVID 6.8.The anticancer mechanism were further validated in vitro.RESULTS Both the MTS and in vivo results showed that herb pair extract showed more obvious inhibitory effects on cancer cells compared to each individual.A total of 37 active components were selected from Hedyotis diffusa and Sculellaria barbata,33 kinds of active ingredients are involved in their anti-tumor effects.58 cancer-related targets and 66 KEGG pathways were identified.The potential targets for the herb pair might be prostaglandin G/H synthase 2(PTGS2),HSP90,EGFR,72 ku typeⅣcollagenase,PPAR-γ,et al.In vitro validation result showed that compatibility mech⁃anisms was related with HSP90,EGFR related pathways.CONCLUSION The result of the study preliminarily verified the basic anti-tumor pharmacological effects of Hedyotis diffusa-Sculellaria barbata herb pair,and lays a solid foundation for further studies on the anti-tumor mechanism of the herbal pair.
文摘[Objectives]This study aimed to investigate the effect of polysaccharides from Hedyotis diffusa on the immune cells of the intestinal mucosa of chicks.[Methods]Total 200 seven-day-old AA chicks were evenly and randomly divided into four groups:control group and three treatment groups.The chicks in the control group(group I)were fed basal diet,and those in the treatment groups were fed with basal diet supplemented with 0.4(group II),0.8(group III)and 1.2(group IV)g/kg H.diffusa polysaccharides(OPS),respectively.At the age of 14,28 and 42 d,10 chicks from each of the groups were sacrificed,respectively for counting of intraepithelial lymphocytes(IELs)and lamina propria secretory IgA(SIgA)positive cells in small intestinal mucosa.[Results]At the age of 14 d,the duodenal and jejunal IEL and SIgA positive cell counts in groups II,III and IV were significantly greater than those in group I(P<0.05).At the age of 28 d,the jejunal IEL count of group IV was significantly lower than those of groups I,II and III(P<0.05);and there was no significant difference in IEL or SIgA positive cell count between group I and the other groups(P>0.05).At the age of 42 d,the duodenal and jejunal IEL counts in group II were significantly greater than those in groups I,III and IV(P<0.05),while the differences in duodenal and jejunal IEL count between groups III,IV and I were insignificant(P>0.05).The duodenal SIgA positive cell counts in the treatment groups were insignificantly different from that in group I(P>0.05).The jejunal SIgA positive cell count in group II was significantly greater than those in groups I,III and IV(P<0.05).There was no significant difference in jejunal SIgA positive cell count between groups III and IV and group I(P>0.05).[Conclusions]OPS at 0.4 g/kg can promote the proliferation of immune cells in the small intestine mucosa of 14-42-day-old AA chicks,and it is recommended to be added to the feed.
文摘目的 基于网络药理学及分子对接技术,探究白花蛇舌草和半枝莲药治疗卵巢癌的作用机制。并对药对活性成分槲皮素进行体外细胞实验,验证其对卵巢癌的作用。方法 从中药系统药理学数据库与分析平台(Traditional Chinese Medicine Systems Pharmacology,TCMSP)数据库筛选白花蛇舌草和半枝莲的活性成分并找出对应的靶点;在GeneCards数据库中检索出卵巢癌相关靶点;用jvenn在线作图工具得到药对和疾病相同的靶点交集;将交集靶点导入STRING平台,构建蛋白质-蛋白质相互作用(protein-protein interaction network,PPI)关系,用Cytoscape做出白花蛇舌草和半枝莲药对治疗卵巢癌的主要靶点图,用Metascape数据库对主要靶点进行基因本体(GO)富集分析和京都基因与基因组百科全书(KEGG)通路富集分析。用分子对接对结果进行验证。并对白花蛇舌草-半枝莲活性成分槲皮素进行CCK-8细胞增殖实验和流式细胞术检测细胞凋亡实验。结果 与卵巢癌相关的白花蛇舌草-半枝莲药对成分-靶点网络中包含30种成分、109个靶点。其相关性位于前3位的候选化合物分子为槲皮素、木犀草素、β-谷甾醇。这些成分通过AKT1、BCL2L1、CASP3、CASP7等信号蛋白来抑制卵巢癌细胞的生长和转移,涉及信号通路有癌症的途径、乙型肝炎、脂质和动脉粥样硬化、AGE-RAGE信号通路在糖尿病并发症中的应用、PI3K-AKT信号通路等。分子对接结果显示核心成分与核心靶点均有较好的结合能力。不同浓度槲皮素可明显抑制卵巢癌细胞增殖,且浓度越高细胞抑制率越高,细胞凋亡率也随浓度增高,数据结果差异有统计学意义(P<0.01)。结论 从网络药理学和分子对接技术得出白花蛇舌草和半枝莲药对可通过多成分、多靶点、多通路治疗卵巢癌的作用机制。槲皮素能有效抑制卵巢癌细胞并促进其凋亡。
