多囊卵巢综合征是青春期及育龄期女性常见的内分泌疾病,临床发病率较高,约为5%~20%,是导致女性不孕的常见原因。目前临床上常将身体体质量指数(body mass index,BMI)正常的多囊卵巢综合征患者归为“非肥胖型”。导致“非肥胖型”多囊卵...多囊卵巢综合征是青春期及育龄期女性常见的内分泌疾病,临床发病率较高,约为5%~20%,是导致女性不孕的常见原因。目前临床上常将身体体质量指数(body mass index,BMI)正常的多囊卵巢综合征患者归为“非肥胖型”。导致“非肥胖型”多囊卵巢综合征发病原因复杂,主要包括情志因素、体质因素、循环和内分泌因素等。中医认为“非肥胖型”多囊卵巢综合征的病机主要以“肾虚肝郁”为主。在治疗方面中医药在辨证论治的理论基础上,将“辨病”和“辨证”相结合,对“非肥胖型”多囊卵巢综合征有着独特的治疗方法。中医常根据不同的证候类型使用相应的方药,同时针刺和灸法也发挥着重要的治疗作用。另外配合生活管理也可以获得更好的临床疗效。展开更多
Aiming at the time-optimal control problem of hypersonic vehicles(HSV)in ascending stage,a trigonometric regularization method(TRM)is introduced based on the indirect method of optimal control.This method avoids analy...Aiming at the time-optimal control problem of hypersonic vehicles(HSV)in ascending stage,a trigonometric regularization method(TRM)is introduced based on the indirect method of optimal control.This method avoids analyzing the switching function and distinguishing between singular control and bang-bang control,where the singular control problem is more complicated.While in bang-bang control,the costate variables are unsmooth due to the control jumping,resulting in difficulty in solving the two-point boundary value problem(TPBVP)induced by the indirect method.Aiming at the easy divergence when solving the TPBVP,the continuation method is introduced.This method uses the solution of the simplified problem as the initial value of the iteration.Then through solving a series of TPBVP,it approximates to the solution of the original complex problem.The calculation results show that through the above two methods,the time-optimal control problem of HSV in ascending stage under the complex model can be solved conveniently.展开更多
目的:探讨中医药治疗青春期功能失调性子宫出血(DUB)的组方用药规律及作用机制。方法:收集运用中药方剂治疗青春期DUB的文献,对文献所含方剂中涉及的中药进行频数、性味、归经及关联规则分析,并挖掘出潜在新方。通过检索TCMSP、GeneCard...目的:探讨中医药治疗青春期功能失调性子宫出血(DUB)的组方用药规律及作用机制。方法:收集运用中药方剂治疗青春期DUB的文献,对文献所含方剂中涉及的中药进行频数、性味、归经及关联规则分析,并挖掘出潜在新方。通过检索TCMSP、GeneCards、OMIM数据库,收集新方中药物有效成分的靶点与疾病靶点并取交集,利用CytoscapeV3.9.0构建“青春期DUB-药物-化合物-靶点”网络,采用STRING平台、David数据库对关键靶点进行PPI网络分析及KEGG通路分析,并运用PubChem、Uniport、PDB数据库,AutoDockVina、PyMol软件对药物有效活性成分与关键靶标作分子对接。结果:共筛选出154个中药复方,包含药物143味,其中药性以温、平为主,药味以甘、苦为主,归经以肝经、肾经、脾经为主;常用药对有黄芪-白术、女贞子-墨旱莲、熟地黄-山茱萸等;挖掘出潜在4个新方组合。新方2(党参+升麻+黄芪+女贞子+墨旱莲)治疗青春期DUB的关键成分有槲皮素和木犀草素等,关键靶点为Akt激酶1(AKT1)、血管内皮生长因子(VEGFA)等,主要通路为癌症通路(Pathways in cancer)、磷脂酰肌醇3-激酶/蛋白激酶B(PI3K/AKT)信号通路等。结论:中医主要从肝肾论治青春期DUB,网络药理学与分子对接结果表明新方药物治疗青春期DUB的机制可能与其止血、抗炎及子宫内膜修复有关。展开更多
文摘多囊卵巢综合征是青春期及育龄期女性常见的内分泌疾病,临床发病率较高,约为5%~20%,是导致女性不孕的常见原因。目前临床上常将身体体质量指数(body mass index,BMI)正常的多囊卵巢综合征患者归为“非肥胖型”。导致“非肥胖型”多囊卵巢综合征发病原因复杂,主要包括情志因素、体质因素、循环和内分泌因素等。中医认为“非肥胖型”多囊卵巢综合征的病机主要以“肾虚肝郁”为主。在治疗方面中医药在辨证论治的理论基础上,将“辨病”和“辨证”相结合,对“非肥胖型”多囊卵巢综合征有着独特的治疗方法。中医常根据不同的证候类型使用相应的方药,同时针刺和灸法也发挥着重要的治疗作用。另外配合生活管理也可以获得更好的临床疗效。
基金supported by the Na-tional Natural Science Foundation of China(No.52272369).
文摘Aiming at the time-optimal control problem of hypersonic vehicles(HSV)in ascending stage,a trigonometric regularization method(TRM)is introduced based on the indirect method of optimal control.This method avoids analyzing the switching function and distinguishing between singular control and bang-bang control,where the singular control problem is more complicated.While in bang-bang control,the costate variables are unsmooth due to the control jumping,resulting in difficulty in solving the two-point boundary value problem(TPBVP)induced by the indirect method.Aiming at the easy divergence when solving the TPBVP,the continuation method is introduced.This method uses the solution of the simplified problem as the initial value of the iteration.Then through solving a series of TPBVP,it approximates to the solution of the original complex problem.The calculation results show that through the above two methods,the time-optimal control problem of HSV in ascending stage under the complex model can be solved conveniently.
文摘目的:探讨中医药治疗青春期功能失调性子宫出血(DUB)的组方用药规律及作用机制。方法:收集运用中药方剂治疗青春期DUB的文献,对文献所含方剂中涉及的中药进行频数、性味、归经及关联规则分析,并挖掘出潜在新方。通过检索TCMSP、GeneCards、OMIM数据库,收集新方中药物有效成分的靶点与疾病靶点并取交集,利用CytoscapeV3.9.0构建“青春期DUB-药物-化合物-靶点”网络,采用STRING平台、David数据库对关键靶点进行PPI网络分析及KEGG通路分析,并运用PubChem、Uniport、PDB数据库,AutoDockVina、PyMol软件对药物有效活性成分与关键靶标作分子对接。结果:共筛选出154个中药复方,包含药物143味,其中药性以温、平为主,药味以甘、苦为主,归经以肝经、肾经、脾经为主;常用药对有黄芪-白术、女贞子-墨旱莲、熟地黄-山茱萸等;挖掘出潜在4个新方组合。新方2(党参+升麻+黄芪+女贞子+墨旱莲)治疗青春期DUB的关键成分有槲皮素和木犀草素等,关键靶点为Akt激酶1(AKT1)、血管内皮生长因子(VEGFA)等,主要通路为癌症通路(Pathways in cancer)、磷脂酰肌醇3-激酶/蛋白激酶B(PI3K/AKT)信号通路等。结论:中医主要从肝肾论治青春期DUB,网络药理学与分子对接结果表明新方药物治疗青春期DUB的机制可能与其止血、抗炎及子宫内膜修复有关。
