Bai-Hua-She-She-Cao Hedyotis diffusa Willd. (Ru-biaceae) is a medicinal herbwidely distributed in northeast Asian countries. In traditional Chinese medicine, it has the effectof 'clearing away heat and toxic mater...Bai-Hua-She-She-Cao Hedyotis diffusa Willd. (Ru-biaceae) is a medicinal herbwidely distributed in northeast Asian countries. In traditional Chinese medicine, it has the effectof 'clearing away heat and toxic material, promoting blood circulation and removing blood stasis'.It is a well known Chinese folk-medicine used for the treatment of appendicitis, sore throat, mumps,acne, sebo-rheic dermatitis and various kinds of tumors, such as tumors of digestive tract,carcinoma of liver. It was reported that the MeOH extract of H. diffusa demonstrated a significantantitumor activity and ursolic acid succeeded in being isolated from the MeOH extract as an activecomponent . Shan BN, et al suggested that the direct aqueous extract of H. diffusa hadimmuno-modulating activity and antitumor activity in vitro through stimulating the immune system tokill or engulf tumor cells. But regarding anti-tumor activity in vivo of water soluble extracts fromH. diffusa, no detail was reported. Therefore, we prepared water soluble extracts (H_1 and H_2)from H. diffusa and evaluated their anti-tumor property in vivo experiments as well as protectiveeffect on chemo-therapeutic damage.展开更多
The extract from Hedyotis diffusae was used to treat tobacco plants infected by TMV before and after incidence. The effect of the changes of some physiological and biochemical indices related with the virus-resistance...The extract from Hedyotis diffusae was used to treat tobacco plants infected by TMV before and after incidence. The effect of the changes of some physiological and biochemical indices related with the virus-resistance in tobacco leaves on tobacco quality ware determined. The resuits showed that H. diffusae extract could remarkably increase the total phenol content in tobacco leaves ,strength the activity of phenylalanine ammonialyase ( PAL) , improve the membrane permeability and tobacco quality. Prevention treatment was better than therapy treatment. In conclusion, H. diffusae extract could induce plants to produce disease resistance and strength tha antiviral capability of tobacco against TMV.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Bai-Hua-She-She-Cao Hedyotis diffusa Willd. (Ru-biaceae) is a medicinal herbwidely distributed in northeast Asian countries. In traditional Chinese medicine, it has the effectof 'clearing away heat and toxic material, promoting blood circulation and removing blood stasis'.It is a well known Chinese folk-medicine used for the treatment of appendicitis, sore throat, mumps,acne, sebo-rheic dermatitis and various kinds of tumors, such as tumors of digestive tract,carcinoma of liver. It was reported that the MeOH extract of H. diffusa demonstrated a significantantitumor activity and ursolic acid succeeded in being isolated from the MeOH extract as an activecomponent . Shan BN, et al suggested that the direct aqueous extract of H. diffusa hadimmuno-modulating activity and antitumor activity in vitro through stimulating the immune system tokill or engulf tumor cells. But regarding anti-tumor activity in vivo of water soluble extracts fromH. diffusa, no detail was reported. Therefore, we prepared water soluble extracts (H_1 and H_2)from H. diffusa and evaluated their anti-tumor property in vivo experiments as well as protectiveeffect on chemo-therapeutic damage.
基金Supported by Yunnan Pu'er Tobacco Company Project~~
文摘The extract from Hedyotis diffusae was used to treat tobacco plants infected by TMV before and after incidence. The effect of the changes of some physiological and biochemical indices related with the virus-resistance in tobacco leaves on tobacco quality ware determined. The resuits showed that H. diffusae extract could remarkably increase the total phenol content in tobacco leaves ,strength the activity of phenylalanine ammonialyase ( PAL) , improve the membrane permeability and tobacco quality. Prevention treatment was better than therapy treatment. In conclusion, H. diffusae extract could induce plants to produce disease resistance and strength tha antiviral capability of tobacco against TMV.
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。