目的:研究仙茅-淫羊藿药对治疗卵巢早衰(premature ovarian failure,POF)的主要活性成分及其靶点的作用机制。方法:检索人类基因组注释数据库GeneCards,Drugbank数据库获取POF靶点,借助中药系统药理学数据库与分析平台(traditional Chin...目的:研究仙茅-淫羊藿药对治疗卵巢早衰(premature ovarian failure,POF)的主要活性成分及其靶点的作用机制。方法:检索人类基因组注释数据库GeneCards,Drugbank数据库获取POF靶点,借助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)获得仙茅、淫羊藿的潜在活性成分及其对应靶点,使用Bioinformatics&Evolutionary Genomics平台筛选仙茅-淫羊藿药对的活性成分与POF的共有靶点,利用Cytoscape软件构建网络图;采用String数据库构建蛋白质相互作用网络;使用DAVID数据库进行基因本体论富集分析(gene ontology,GO)与KEGG(kyoto encyclopedia of genes and genomes,KEGG)通路富集分析。结果:通过筛选得到30个药物活性成分,共涉及靶点278个,与疾病靶点有关的活性成分26个,得到仙茅、淫羊藿药对-疾病共同靶点41个,主要富集于139个生物过程和60条信号通路,涉及PI3K-Akt、甲状腺激素、MAPK等信号通路。结论:仙茅-淫羊藿药对活性靶点主要通过PI3K-Akt、甲状腺激素、MAPK等信号通路调控卵巢细胞过程及代谢发挥治疗作用。展开更多
A composite material was fabricated by applying a biodegradable drug delivery coating,consisting of poly(3-hydroxyburyrate-co-3-hydroxyvalerate)(PHBV) and icariin,to an anodic oxidized titanium plate.The coating w...A composite material was fabricated by applying a biodegradable drug delivery coating,consisting of poly(3-hydroxyburyrate-co-3-hydroxyvalerate)(PHBV) and icariin,to an anodic oxidized titanium plate.The coating was prepared by evaporating chloroform solution containing PHBV and icariin on the titanium plate under vacuum condition.Icariin/PHBV coated titanium plates significantly enhance the proliferation of MG-63 cells compared with the PHBV coated and anodic oxidized ones.Increased icariin contained in the coating displays an elevated influence on cell proliferation.The results show that icariin gradually releases from the coating to cells mainly through the phospholipid-based cellular membrane instead of the culture medium.The overall results suggest that the novel icariin/PHBV coating can be used to enhance the bioactivity of titanium based orthopedic implants.展开更多
OBJECTIVE:To examine the clinical effects of a mixture of Chinese Yam and Epimedium in patients with stable moderate or severe chronic obstructive pulmonary disease(COPD).METHODS:Forty-nine patients with COPD were ran...OBJECTIVE:To examine the clinical effects of a mixture of Chinese Yam and Epimedium in patients with stable moderate or severe chronic obstructive pulmonary disease(COPD).METHODS:Forty-nine patients with COPD were randomly allocated to a group whose usual treatment was supplemented with oral Chinese Yam-Epimedium mixture,or a control group given placebo.For each patient,body mass index,airflow obstruction,dyspnea,and exercise capacity were measured and converted into the BODE index before treatment and at one and three months after initiation of treatment.Participants also completed the St George's Respiratory Questionnaire(SGRQ) at the same intervals.RESULTS:After one month,improvements were seen in the BODE index and SGRQ of participants taking Chinese Yam-Epimedium mixture compared to controls.There were statistically significant differences in the SGRQ:three of its components and the total SGRQ scores were significantly decreased(P<0.05),respiratory symptom scores had improved(P<0.01),and the dyspnea component of the BODE index had significantly decreased(P<0.05).Similar improvements were observed after three months of treatment,but exercise tolerance had also improved:the six-minute walking distance had significantly increased(P<0.05) in the treatment group when compared with controls.CONCLUSION:Chinese Yam-Epimedium mixture can significantly improve dyspnea,exercise capacity,and the quality of life of patients with stable moderate or severe COPD.展开更多
文摘目的:研究仙茅-淫羊藿药对治疗卵巢早衰(premature ovarian failure,POF)的主要活性成分及其靶点的作用机制。方法:检索人类基因组注释数据库GeneCards,Drugbank数据库获取POF靶点,借助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)获得仙茅、淫羊藿的潜在活性成分及其对应靶点,使用Bioinformatics&Evolutionary Genomics平台筛选仙茅-淫羊藿药对的活性成分与POF的共有靶点,利用Cytoscape软件构建网络图;采用String数据库构建蛋白质相互作用网络;使用DAVID数据库进行基因本体论富集分析(gene ontology,GO)与KEGG(kyoto encyclopedia of genes and genomes,KEGG)通路富集分析。结果:通过筛选得到30个药物活性成分,共涉及靶点278个,与疾病靶点有关的活性成分26个,得到仙茅、淫羊藿药对-疾病共同靶点41个,主要富集于139个生物过程和60条信号通路,涉及PI3K-Akt、甲状腺激素、MAPK等信号通路。结论:仙茅-淫羊藿药对活性靶点主要通过PI3K-Akt、甲状腺激素、MAPK等信号通路调控卵巢细胞过程及代谢发挥治疗作用。
基金Project (2010DFA32270) supported by International Science & Technology Cooperation Program of ChinaProject (2010) supported by Scientific Research Foundation for the Returned Oversea Scholars of Ministry of Education of China
文摘A composite material was fabricated by applying a biodegradable drug delivery coating,consisting of poly(3-hydroxyburyrate-co-3-hydroxyvalerate)(PHBV) and icariin,to an anodic oxidized titanium plate.The coating was prepared by evaporating chloroform solution containing PHBV and icariin on the titanium plate under vacuum condition.Icariin/PHBV coated titanium plates significantly enhance the proliferation of MG-63 cells compared with the PHBV coated and anodic oxidized ones.Increased icariin contained in the coating displays an elevated influence on cell proliferation.The results show that icariin gradually releases from the coating to cells mainly through the phospholipid-based cellular membrane instead of the culture medium.The overall results suggest that the novel icariin/PHBV coating can be used to enhance the bioactivity of titanium based orthopedic implants.
文摘OBJECTIVE:To examine the clinical effects of a mixture of Chinese Yam and Epimedium in patients with stable moderate or severe chronic obstructive pulmonary disease(COPD).METHODS:Forty-nine patients with COPD were randomly allocated to a group whose usual treatment was supplemented with oral Chinese Yam-Epimedium mixture,or a control group given placebo.For each patient,body mass index,airflow obstruction,dyspnea,and exercise capacity were measured and converted into the BODE index before treatment and at one and three months after initiation of treatment.Participants also completed the St George's Respiratory Questionnaire(SGRQ) at the same intervals.RESULTS:After one month,improvements were seen in the BODE index and SGRQ of participants taking Chinese Yam-Epimedium mixture compared to controls.There were statistically significant differences in the SGRQ:three of its components and the total SGRQ scores were significantly decreased(P<0.05),respiratory symptom scores had improved(P<0.01),and the dyspnea component of the BODE index had significantly decreased(P<0.05).Similar improvements were observed after three months of treatment,but exercise tolerance had also improved:the six-minute walking distance had significantly increased(P<0.05) in the treatment group when compared with controls.CONCLUSION:Chinese Yam-Epimedium mixture can significantly improve dyspnea,exercise capacity,and the quality of life of patients with stable moderate or severe COPD.