[目的]结合数据挖掘及网络药理学,探讨运脾法治疗儿童功能性便秘的用药规律及作用机制。[方法]收集562例功能性便秘患儿病案,采用SPSS Statistic 24.0软件进行聚类分析,SPSS Modeler 18.0软件进行关联规则分析,Liquorice软件进行复杂网...[目的]结合数据挖掘及网络药理学,探讨运脾法治疗儿童功能性便秘的用药规律及作用机制。[方法]收集562例功能性便秘患儿病案,采用SPSS Statistic 24.0软件进行聚类分析,SPSS Modeler 18.0软件进行关联规则分析,Liquorice软件进行复杂网络分析,得出核心方药。运用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)、中药分子机制生物信息学分析工具(Bioinformatics Analysis Tool for Molecular Mechanism of Traditional Chinese Medicine,BATMAN-TCM)数据库筛选核心方活性成分及靶点,通过基因组注释数据平台(Genome Annotation Database Platform,GeneCards)数据库筛选功能性便秘相关靶点,取交集后获得预测靶标。基于蛋白质基因相互作用分析(Search Tool for the Retrieval of Interacting Genes/Proteins,STRING)数据库构建靶基因蛋白互作网络(protein-protein interaction,PPI),利用Cytoscape 3.8.0软件建立核心方成分-便秘-靶点网络图,借助Network Analyzer工具进行拓扑分析,确定核心靶点。基于STRING数据库,使用R语言4.2.2进行基因本体(gene ontology,GO)功能富集与京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)通路富集分析。[结果]所纳病案包含1121诊次方药记录,各疗程的症状改善率在86%~97%,便秘三大主症的改善率均在90%左右。涉及中药119味,药性以寒、平为主,药味以苦、甘居多,归经多属胃、脾。通过药物关联、聚类和复杂网络分析得到9味药物构成的核心组方。核心组方调治便秘的主要活性成分为槲皮素、甲基庚烯酮、胆汁三烯、烟酸、木犀草素、山柰酚、汉黄芩素。关键靶点包括前列腺素内过氧化物合酶2(prostaglandin-endoperoxide synthase 2,PTGS2)、V-Jun肉瘤病毒17癌基因同源物(V-Jun sarcoma virus 17 oncogene homolog,JUN)、蛋白激酶B1(protein kinase B1,AKT1)、磷酸肌醇-3-激酶调节亚基1(phosphoinositide-3-kinase regulatory subunit 1,PIK3R1)、磷脂酰肌醇-3-激酶α催化亚基(phosphatidylinositol-4,5-bisphosphate-3-kinase catalytic subunit alpha isoform,PIK3CA)。对炎症相关通路如磷脂酰肌醇-3-激酶/蛋白激酶B(phosphatidylinositol-3-kinase/protein kinase B,PI3K/AKT)的调节可能是核心组方改善便秘的作用机制。[结论]运脾法治疗小儿便秘核心方包括麸炒枳实、厚朴、生白术、鸡内金、焦山楂、连翘、决明子、火麻仁、胡黄连,其主要成分可能通过影响炎症因子水平、修复肠道黏膜以恢复肠道平滑肌功能,改善便秘症状,对运脾法的临床应用及儿童功能性便秘的中医药治疗有一定借鉴意义。展开更多
Objective To explore the construction of abdominal aortocaval fistula(ACF)model in adenine-induced renal failure rats,and to provide a suitable animal model for subsequent mechanism and intervention researches.Methods...Objective To explore the construction of abdominal aortocaval fistula(ACF)model in adenine-induced renal failure rats,and to provide a suitable animal model for subsequent mechanism and intervention researches.Methods Adult female Sprague-Dawley rats(250-300 g)were fed with 0.75%adenine diet(renal failure group,n=60)and the same diet without adenine(control group,n=10)for 4 weeks,and the rats were randomly grouped by block randomization method with a ratio of 6:1.Thirty rats in the renal failure group were randomly selected by block randomization method at a ratio of 1:1 to undergo laparotomies to establish ACF models(renal failure+ACF group).The serum creatinine,blood urea nitrogen detection and Masson staining were used to evaluate the establishment of renal failure model.Small animal ultrasound imaging system was applied to verify the successful construction of the ACF model.After 6 weeks of ACF observation,blood samples were collected from the heart of rats,and ACF-vascular tissues were collected for pathological study(HE staining).Results At 4 weeks of feeding.展开更多
文摘[目的]结合数据挖掘及网络药理学,探讨运脾法治疗儿童功能性便秘的用药规律及作用机制。[方法]收集562例功能性便秘患儿病案,采用SPSS Statistic 24.0软件进行聚类分析,SPSS Modeler 18.0软件进行关联规则分析,Liquorice软件进行复杂网络分析,得出核心方药。运用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)、中药分子机制生物信息学分析工具(Bioinformatics Analysis Tool for Molecular Mechanism of Traditional Chinese Medicine,BATMAN-TCM)数据库筛选核心方活性成分及靶点,通过基因组注释数据平台(Genome Annotation Database Platform,GeneCards)数据库筛选功能性便秘相关靶点,取交集后获得预测靶标。基于蛋白质基因相互作用分析(Search Tool for the Retrieval of Interacting Genes/Proteins,STRING)数据库构建靶基因蛋白互作网络(protein-protein interaction,PPI),利用Cytoscape 3.8.0软件建立核心方成分-便秘-靶点网络图,借助Network Analyzer工具进行拓扑分析,确定核心靶点。基于STRING数据库,使用R语言4.2.2进行基因本体(gene ontology,GO)功能富集与京都基因与基因组百科全书(Kyoto Encyclopedia of Genes and Genomes,KEGG)通路富集分析。[结果]所纳病案包含1121诊次方药记录,各疗程的症状改善率在86%~97%,便秘三大主症的改善率均在90%左右。涉及中药119味,药性以寒、平为主,药味以苦、甘居多,归经多属胃、脾。通过药物关联、聚类和复杂网络分析得到9味药物构成的核心组方。核心组方调治便秘的主要活性成分为槲皮素、甲基庚烯酮、胆汁三烯、烟酸、木犀草素、山柰酚、汉黄芩素。关键靶点包括前列腺素内过氧化物合酶2(prostaglandin-endoperoxide synthase 2,PTGS2)、V-Jun肉瘤病毒17癌基因同源物(V-Jun sarcoma virus 17 oncogene homolog,JUN)、蛋白激酶B1(protein kinase B1,AKT1)、磷酸肌醇-3-激酶调节亚基1(phosphoinositide-3-kinase regulatory subunit 1,PIK3R1)、磷脂酰肌醇-3-激酶α催化亚基(phosphatidylinositol-4,5-bisphosphate-3-kinase catalytic subunit alpha isoform,PIK3CA)。对炎症相关通路如磷脂酰肌醇-3-激酶/蛋白激酶B(phosphatidylinositol-3-kinase/protein kinase B,PI3K/AKT)的调节可能是核心组方改善便秘的作用机制。[结论]运脾法治疗小儿便秘核心方包括麸炒枳实、厚朴、生白术、鸡内金、焦山楂、连翘、决明子、火麻仁、胡黄连,其主要成分可能通过影响炎症因子水平、修复肠道黏膜以恢复肠道平滑肌功能,改善便秘症状,对运脾法的临床应用及儿童功能性便秘的中医药治疗有一定借鉴意义。
文摘Objective To explore the construction of abdominal aortocaval fistula(ACF)model in adenine-induced renal failure rats,and to provide a suitable animal model for subsequent mechanism and intervention researches.Methods Adult female Sprague-Dawley rats(250-300 g)were fed with 0.75%adenine diet(renal failure group,n=60)and the same diet without adenine(control group,n=10)for 4 weeks,and the rats were randomly grouped by block randomization method with a ratio of 6:1.Thirty rats in the renal failure group were randomly selected by block randomization method at a ratio of 1:1 to undergo laparotomies to establish ACF models(renal failure+ACF group).The serum creatinine,blood urea nitrogen detection and Masson staining were used to evaluate the establishment of renal failure model.Small animal ultrasound imaging system was applied to verify the successful construction of the ACF model.After 6 weeks of ACF observation,blood samples were collected from the heart of rats,and ACF-vascular tissues were collected for pathological study(HE staining).Results At 4 weeks of feeding.