目的探究程序性细胞死亡配体1(PD-L1)在原发性胆汁性肝硬化(PBC)患者外周血单个核细胞(PBMC)中的表达情况及意义。方法收集2013年2月~2015年12月于长海医院确诊的23例PBC患者和23例健康对照者外周血,用密度梯度离心法分离出PBMC后进行...目的探究程序性细胞死亡配体1(PD-L1)在原发性胆汁性肝硬化(PBC)患者外周血单个核细胞(PBMC)中的表达情况及意义。方法收集2013年2月~2015年12月于长海医院确诊的23例PBC患者和23例健康对照者外周血,用密度梯度离心法分离出PBMC后进行培养,以实时荧光定量PCR法(qRT-PCR)检测PBMC中PD-L1的mRNA表达状况,以酶联免疫吸附反应(ELISA)法检测培养液中TNF-α,TGF-β,IL-23和IL-17等细胞因子的表达量,两组之间的变量比较采用两独立样本t检验,以Pearson相关系数表示两变量之间的关系。结果实验组与对照组PD-L1的mRNA表达水平为0.23±0.08 vs 1.27±0.40(t=12.23,P<0.000 1),差异具有统计学意义。Pearson相关性分析显示PD-L1与IL-23成负相关(r=-0.531,P=0.009),差异具有统计学意义。结论 PD-L1可能参与了PBC疾病形成过程,是该病预测和治疗潜在的生物标志物。展开更多
[Objectives]The paper was to explore the pharmacodynamic substances and mechanism of Atractylodes macrocephala in treating primary dysmenorrhea(PD).[Methods]The components of A.macrocephala were qualitatively identifi...[Objectives]The paper was to explore the pharmacodynamic substances and mechanism of Atractylodes macrocephala in treating primary dysmenorrhea(PD).[Methods]The components of A.macrocephala were qualitatively identified by ultra high performance liquid chromatography quadrupole-time of flight mass spectrometry(UPLC-MS)combined with analyst TF 1.7.1 and peakview 2.2 software with reference to internal databases and literatures.The chemical components of A.macrocephala and the target of PD were collected by using network pharmacological data.The common genes were analyzed by Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)of genes and genomes with the help of String database and Metascape platform,and the affinity between core molecules and key targets was verified.[Results]A total of 23 chemical components of A.macrocephala were identified,and 301 gene targets of chemical components of A.macrocephala,614 targets of PD,and 25 intersection targets were obtained.GO analysis results obtained 505 biological processes,11 cellular components,and 33 molecular functions.KEGG pathway analysis showed that it mainly involved TNF signaling pathway,IL-17 signaling pathway,estrogen receptor signaling pathway and arachidonic acid metabolism.The top 4 targets of PPI network centrality and the top 5 compounds of A.macrocephala-component-target-disease network centrality were selected for docking.The docking results showed that atractylenolide I,Selinar-4(15),7(11)-dien-8-one,and atractylenolide II had strong binding ability.[Conclusions]A.macrocephala may exert a curative effect on PD by targeting atractylenolide I,Selinar-4(15),7(11)-dien-8-one,and atractylenolide II on key targets such as TNF,IL6,IL1β,PTGS2 to regulate cellular TNF signaling pathway,IL-17 signaling pathway,estrogen receptor signaling pathway,and arachidonic acid metabolism.展开更多
文摘目的探究程序性细胞死亡配体1(PD-L1)在原发性胆汁性肝硬化(PBC)患者外周血单个核细胞(PBMC)中的表达情况及意义。方法收集2013年2月~2015年12月于长海医院确诊的23例PBC患者和23例健康对照者外周血,用密度梯度离心法分离出PBMC后进行培养,以实时荧光定量PCR法(qRT-PCR)检测PBMC中PD-L1的mRNA表达状况,以酶联免疫吸附反应(ELISA)法检测培养液中TNF-α,TGF-β,IL-23和IL-17等细胞因子的表达量,两组之间的变量比较采用两独立样本t检验,以Pearson相关系数表示两变量之间的关系。结果实验组与对照组PD-L1的mRNA表达水平为0.23±0.08 vs 1.27±0.40(t=12.23,P<0.000 1),差异具有统计学意义。Pearson相关性分析显示PD-L1与IL-23成负相关(r=-0.531,P=0.009),差异具有统计学意义。结论 PD-L1可能参与了PBC疾病形成过程,是该病预测和治疗潜在的生物标志物。
基金Youth Science Foundation Project of National Natural Science Foundation of China(82104384)Science and Technology Research Project of Colleges and Universities in Hebei Province(QN2021008)+3 种基金Research Start-up Fund for High-level Talents of Chengde Medical University(202103)Key Discipline Construction Project of Colleges and Universities in Hebei Province(JJG[2013]4)"Technology Innovation Guidance Special-Science and Technology Work Consultation"Project of Hebei Provincial Department of Science and TechnologyYouth PI Science and Technology Innovation Team of TCM Pharmacodynamic Substance Foundation of Chengde Medical University.
文摘[Objectives]The paper was to explore the pharmacodynamic substances and mechanism of Atractylodes macrocephala in treating primary dysmenorrhea(PD).[Methods]The components of A.macrocephala were qualitatively identified by ultra high performance liquid chromatography quadrupole-time of flight mass spectrometry(UPLC-MS)combined with analyst TF 1.7.1 and peakview 2.2 software with reference to internal databases and literatures.The chemical components of A.macrocephala and the target of PD were collected by using network pharmacological data.The common genes were analyzed by Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)of genes and genomes with the help of String database and Metascape platform,and the affinity between core molecules and key targets was verified.[Results]A total of 23 chemical components of A.macrocephala were identified,and 301 gene targets of chemical components of A.macrocephala,614 targets of PD,and 25 intersection targets were obtained.GO analysis results obtained 505 biological processes,11 cellular components,and 33 molecular functions.KEGG pathway analysis showed that it mainly involved TNF signaling pathway,IL-17 signaling pathway,estrogen receptor signaling pathway and arachidonic acid metabolism.The top 4 targets of PPI network centrality and the top 5 compounds of A.macrocephala-component-target-disease network centrality were selected for docking.The docking results showed that atractylenolide I,Selinar-4(15),7(11)-dien-8-one,and atractylenolide II had strong binding ability.[Conclusions]A.macrocephala may exert a curative effect on PD by targeting atractylenolide I,Selinar-4(15),7(11)-dien-8-one,and atractylenolide II on key targets such as TNF,IL6,IL1β,PTGS2 to regulate cellular TNF signaling pathway,IL-17 signaling pathway,estrogen receptor signaling pathway,and arachidonic acid metabolism.