目的检测子宫肌瘤患者血清和组织中hsa-miR-15b-5p和hsa-miR-21-5p水平,并分析其与组织中雌激素受体(estrogen receptor,ER)、孕激素受体(progesterone receptor,PR)蛋白之间的相关性,进而探讨子宫肌瘤发生发展的作用机制。方法选取2019...目的检测子宫肌瘤患者血清和组织中hsa-miR-15b-5p和hsa-miR-21-5p水平,并分析其与组织中雌激素受体(estrogen receptor,ER)、孕激素受体(progesterone receptor,PR)蛋白之间的相关性,进而探讨子宫肌瘤发生发展的作用机制。方法选取2019年8月~2020年12月于陆军军医大学士官学校附属医院妇科就诊的60例子宫肌瘤患者作为研究对象,另取同期因子宫脱垂行切除术的60例患者作为对照,通过免疫组化SP法和Westerblot法检测所有患者肌瘤组织和正常肌层组织中ER和PR蛋白的相对表达;术前采所有患者的空腹外周静脉血,通过qRT-PCR法分别检测患者血清和组织中hsa-miR-15b-5p和hsa-miR-21-5p mRNA的相对表达水平,并分析组织中hsa-miR-15b-5p和hsa-miR-21-5p水平与ER,PR蛋白表达的相关性。结果免疫组化结果显示,ER蛋白在子宫肌瘤组和正常子宫肌层组的阳性表达率分别为73.3%(44/60)和38.3%(23/60)(χ^(2)=14.903,P=0.002),PR蛋白在子宫肌瘤组和正常子宫肌层组阳性表达率分别为65.0%(39/60)和31.7%(19/60)(χ^(2)=13.348,P=0.005),差异均有统计学意义。Westernblot结果显示,子宫肌瘤组ER水平(0.98±0.21)较正常子宫肌层组(0.62±0.15)显著升高(t=22.147,P<0.001),子宫肌瘤组PR水平(0.80±0.14)较正常子宫肌层组(0.38±0.08)亦显著升高(t=38.265,P<0.001),差异均有统计学意义。qRT-PCR结果表明,与正常子宫肌层组相比,hsa-miR-15b-5p(1.98±0.12 vs 1.02±0.11)和hsa-miR-21-5p(2.21±0.15 vs 0.93±0.18)mRNA在子宫肌瘤患者血清中表达水平均显著增加(t=46.080,63.944,均P<0.001),在肌瘤组织中两者表达水平较正常肌层组织亦显著升高(t=39.852,52.046,均P<0.001),差异均有统计学意义。Pearson法分析发现,组织中hsa-miR-15b-5p和hsa-miR-21-5p表达水平与ER和PR蛋白表达水平呈明显正相关(r=0.744~0.902,均P<0.001)。结论hsa-miR-15b-5p和hsa-miR-21-5p在子宫肌瘤患者血清和组织中表达水平均显著升高,子宫肌瘤组织中ER和PR蛋白亦呈高表达,并且hsa-miR-15b-5p和hsa-miR-21-5p水平与ER和PR表达水平呈明显正相关,可能协同诱导子宫肌瘤发生发展。展开更多
Systemic sclerosis (SSc) is a highly heterogeneous autoimmune disease with a high mortality rate.However,the cellular and molecular mechanisms of SSc remain unclear.Here,we identified the key hub genes and microRNAs (...Systemic sclerosis (SSc) is a highly heterogeneous autoimmune disease with a high mortality rate.However,the cellular and molecular mechanisms of SSc remain unclear.Here,we identified the key hub genes and microRNAs (miRNAs) that modulate the occurrence and development of SSc.We downloaded the microarray dataset GSE95065 from the Gene Expression Omnibus (GEO) database and then analyzed the data by using GEO2R.The Database for Annotation,Visualization and Integrated Discovery (DAVID) was used for functional pathway enrichment analyses of differentially expressed genes (DEGs),and Cytoscape software was used to generate the protein-protein interaction (PPI) network.In addition,OmicsNet was used to predict the miRNAs for the hub genes of SSc.As a result,783 DEGs were identified,of which 770 genes (142 up-regulated genes and 628 down-regulated genes) were matched to the genes in SSc skin samples.Gene Ontology (GO) analyses by DAVID indicated that the up-regulated genes were mainly involved in immune response,and the down-regulated genes were greatly enriched in glycinergic synaptic transmission.In the PPI network,22 nodes were selected as key genes,including several members of the chemokine family.Furthermore,after uploading these key genes to the OmicsNet tool,we found that hsa-miR-26b-5p might target CXCL9 and CXCL13.Moreover,we demonstrated that the hsa-miR-26b-5p inhibitor might inhibit fibrosis in TGF-β-activated fibroblasts,which would be a promising target for SSc therapy.展开更多
文摘目的检测子宫肌瘤患者血清和组织中hsa-miR-15b-5p和hsa-miR-21-5p水平,并分析其与组织中雌激素受体(estrogen receptor,ER)、孕激素受体(progesterone receptor,PR)蛋白之间的相关性,进而探讨子宫肌瘤发生发展的作用机制。方法选取2019年8月~2020年12月于陆军军医大学士官学校附属医院妇科就诊的60例子宫肌瘤患者作为研究对象,另取同期因子宫脱垂行切除术的60例患者作为对照,通过免疫组化SP法和Westerblot法检测所有患者肌瘤组织和正常肌层组织中ER和PR蛋白的相对表达;术前采所有患者的空腹外周静脉血,通过qRT-PCR法分别检测患者血清和组织中hsa-miR-15b-5p和hsa-miR-21-5p mRNA的相对表达水平,并分析组织中hsa-miR-15b-5p和hsa-miR-21-5p水平与ER,PR蛋白表达的相关性。结果免疫组化结果显示,ER蛋白在子宫肌瘤组和正常子宫肌层组的阳性表达率分别为73.3%(44/60)和38.3%(23/60)(χ^(2)=14.903,P=0.002),PR蛋白在子宫肌瘤组和正常子宫肌层组阳性表达率分别为65.0%(39/60)和31.7%(19/60)(χ^(2)=13.348,P=0.005),差异均有统计学意义。Westernblot结果显示,子宫肌瘤组ER水平(0.98±0.21)较正常子宫肌层组(0.62±0.15)显著升高(t=22.147,P<0.001),子宫肌瘤组PR水平(0.80±0.14)较正常子宫肌层组(0.38±0.08)亦显著升高(t=38.265,P<0.001),差异均有统计学意义。qRT-PCR结果表明,与正常子宫肌层组相比,hsa-miR-15b-5p(1.98±0.12 vs 1.02±0.11)和hsa-miR-21-5p(2.21±0.15 vs 0.93±0.18)mRNA在子宫肌瘤患者血清中表达水平均显著增加(t=46.080,63.944,均P<0.001),在肌瘤组织中两者表达水平较正常肌层组织亦显著升高(t=39.852,52.046,均P<0.001),差异均有统计学意义。Pearson法分析发现,组织中hsa-miR-15b-5p和hsa-miR-21-5p表达水平与ER和PR蛋白表达水平呈明显正相关(r=0.744~0.902,均P<0.001)。结论hsa-miR-15b-5p和hsa-miR-21-5p在子宫肌瘤患者血清和组织中表达水平均显著升高,子宫肌瘤组织中ER和PR蛋白亦呈高表达,并且hsa-miR-15b-5p和hsa-miR-21-5p水平与ER和PR表达水平呈明显正相关,可能协同诱导子宫肌瘤发生发展。
基金This project was supported by National Natural Science Foundation of China (No.81472886).
文摘Systemic sclerosis (SSc) is a highly heterogeneous autoimmune disease with a high mortality rate.However,the cellular and molecular mechanisms of SSc remain unclear.Here,we identified the key hub genes and microRNAs (miRNAs) that modulate the occurrence and development of SSc.We downloaded the microarray dataset GSE95065 from the Gene Expression Omnibus (GEO) database and then analyzed the data by using GEO2R.The Database for Annotation,Visualization and Integrated Discovery (DAVID) was used for functional pathway enrichment analyses of differentially expressed genes (DEGs),and Cytoscape software was used to generate the protein-protein interaction (PPI) network.In addition,OmicsNet was used to predict the miRNAs for the hub genes of SSc.As a result,783 DEGs were identified,of which 770 genes (142 up-regulated genes and 628 down-regulated genes) were matched to the genes in SSc skin samples.Gene Ontology (GO) analyses by DAVID indicated that the up-regulated genes were mainly involved in immune response,and the down-regulated genes were greatly enriched in glycinergic synaptic transmission.In the PPI network,22 nodes were selected as key genes,including several members of the chemokine family.Furthermore,after uploading these key genes to the OmicsNet tool,we found that hsa-miR-26b-5p might target CXCL9 and CXCL13.Moreover,we demonstrated that the hsa-miR-26b-5p inhibitor might inhibit fibrosis in TGF-β-activated fibroblasts,which would be a promising target for SSc therapy.
