目的探讨急性脑梗死(acute cerebral infarction,ACI)患者的血清微小RNA(MicroRNA,miR)-151a-3p、基质金属蛋白酶-9(matrix metalloproteinase-9,MMP-9)、超敏C反应蛋白(high sensitivity C reactive protein,hs-CRP)变化特点及其与病...目的探讨急性脑梗死(acute cerebral infarction,ACI)患者的血清微小RNA(MicroRNA,miR)-151a-3p、基质金属蛋白酶-9(matrix metalloproteinase-9,MMP-9)、超敏C反应蛋白(high sensitivity C reactive protein,hs-CRP)变化特点及其与病情间的相关性。方法选取我院收治的ACI患者140例(ACI组)和健康体检者70例(对照组),检测两组的血清miR-151a-3p、MMP-9、hs-CRP水平,并分析这些指标与ACI患者美国国立卫生研究院卒中量表(National Institute of Health stroke scale,NIHSS)评分间的关系。结果ACI组的血清miR-151a-3p、MMP-9、hs-CRP水平均显著高于对照组,差异有统计学意义(P<0.05);重型ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平均显著的高于轻型组及中型ACI组,差异有统计学意义(P<0.05);中型ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平均显著高于轻型ACI组,差异具有统计学意义(P<0.05)。ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平与其NIHSS评分间均呈显著正相关性(P<0.05)。多元线性回归模型显示,miR-151a-3p、MMP-9、hs-CRP、TG、血糖水平升高是ACI患者NIHSS评分增高的独立危险因素(P<0.05)。结论ACI患者的血清miR-151a-3p、MMP-9、hs-CRP水平显著高于健康人群,且与ACI患者神经功能受损程度有一定的相关性。展开更多
MicroRNAs(miRNAs)function as important regulators in the immune response and inflammation.Several approaches have been reported to computationally predict miRNAs and their potential targets.However,there are still man...MicroRNAs(miRNAs)function as important regulators in the immune response and inflammation.Several approaches have been reported to computationally predict miRNAs and their potential targets.However,there are still many miRNA–target interactions that are unpredictable by using the current computational algorithms.We established a miRNA in vivo precipitation method(miRIP)to identify unpredictable miRNAs with definite targets in these cells.Because Stat3 is a well-known transcription factor involved in innate immunity and inflammation,we utilized the miRIP method to identify miRNAs that bind Stat3 mRNA in macrophages.Among the captured miRNAs,miR-151-3p was confirmed to interact with Stat3 mRNA 3′-UTR and downregulate the Stat3 protein levels.LPS stimulation decreased miR-151-3p expression,thereby increasing IL-6 production.Therefore,we found that miR-151-3p inhibited LPS-induced IL-6 production by targeting Stat3.These data further confirmed miRIP as an efficient method to identify unpredictable miRNAs and explore miRNAs-mediated regulation in innate immunity and inflammation.展开更多
目的探讨鼻咽癌患者血清miR-144-3p及miR-151-3p的表达水平及临床价值。方法选取2016年1月~2020年7月涿州市医院收治的106例鼻咽癌患者和50例健康对照组作为研究对象,采用实时定量PCR法检测miR-144-3p及miR-151-3p表达水平。应用受试者...目的探讨鼻咽癌患者血清miR-144-3p及miR-151-3p的表达水平及临床价值。方法选取2016年1月~2020年7月涿州市医院收治的106例鼻咽癌患者和50例健康对照组作为研究对象,采用实时定量PCR法检测miR-144-3p及miR-151-3p表达水平。应用受试者工作特征(ROC)曲线分析miR-144-3p及miR-151-3p诊断鼻咽癌的价值。Pearson相关分析鼻咽癌患者血清miR-144-3p与miR-151-3p表达水平的相关性。结果鼻咽癌组血清miR-144-3p(2.36±1.05 vs 0.82±0.27)及miR-151-3p(3.58±1.73 vs 0.97±0.36)表达水平均明显高于对照组,差异有统计学意义(均P<0.001)。鼻咽癌患者血清miR-144-3p及miR-151-3p表达水平升高与临床分期高、分化程度低、淋巴结转移及远处转移有关(t=5.824~19.307,均P<0.01)。ROC曲线显示,miR-144-3p为1.61及miR-151-3p为2.25是诊断鼻咽癌的最佳截断值,二者联合诊断鼻咽癌的曲线下面积(0.937,95%CI:0.875~0.99)最大,其敏感度和特异度为95.3%和87.0%。鼻咽癌患者血清miR-144-3p表达水平与miR-151-3p呈正相关(r=0.872,P<0.001)。结论鼻咽癌患者血清miR-144-3p及miR-151-3表达水平明显升高,二者联合诊断鼻咽癌的价值较高。展开更多
文摘目的探讨急性脑梗死(acute cerebral infarction,ACI)患者的血清微小RNA(MicroRNA,miR)-151a-3p、基质金属蛋白酶-9(matrix metalloproteinase-9,MMP-9)、超敏C反应蛋白(high sensitivity C reactive protein,hs-CRP)变化特点及其与病情间的相关性。方法选取我院收治的ACI患者140例(ACI组)和健康体检者70例(对照组),检测两组的血清miR-151a-3p、MMP-9、hs-CRP水平,并分析这些指标与ACI患者美国国立卫生研究院卒中量表(National Institute of Health stroke scale,NIHSS)评分间的关系。结果ACI组的血清miR-151a-3p、MMP-9、hs-CRP水平均显著高于对照组,差异有统计学意义(P<0.05);重型ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平均显著的高于轻型组及中型ACI组,差异有统计学意义(P<0.05);中型ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平均显著高于轻型ACI组,差异具有统计学意义(P<0.05)。ACI组患者的血清miR-151a-3p、MMP-9、hs-CRP水平与其NIHSS评分间均呈显著正相关性(P<0.05)。多元线性回归模型显示,miR-151a-3p、MMP-9、hs-CRP、TG、血糖水平升高是ACI患者NIHSS评分增高的独立危险因素(P<0.05)。结论ACI患者的血清miR-151a-3p、MMP-9、hs-CRP水平显著高于健康人群,且与ACI患者神经功能受损程度有一定的相关性。
基金We thank Dr Taoyong Chen and Dr Mingjin Yang for helpful discussion and Ms Mei Jin for technical assistanceThis work was supported by Grants from the National Key Basic Research Program of China(2013CB530502,2015CB964403)+1 种基金the National Natural Science Foundation of China(31470849,31390431 and 81471569)the Shanghai Committee of Science and Technology(2015QA1404700).
文摘MicroRNAs(miRNAs)function as important regulators in the immune response and inflammation.Several approaches have been reported to computationally predict miRNAs and their potential targets.However,there are still many miRNA–target interactions that are unpredictable by using the current computational algorithms.We established a miRNA in vivo precipitation method(miRIP)to identify unpredictable miRNAs with definite targets in these cells.Because Stat3 is a well-known transcription factor involved in innate immunity and inflammation,we utilized the miRIP method to identify miRNAs that bind Stat3 mRNA in macrophages.Among the captured miRNAs,miR-151-3p was confirmed to interact with Stat3 mRNA 3′-UTR and downregulate the Stat3 protein levels.LPS stimulation decreased miR-151-3p expression,thereby increasing IL-6 production.Therefore,we found that miR-151-3p inhibited LPS-induced IL-6 production by targeting Stat3.These data further confirmed miRIP as an efficient method to identify unpredictable miRNAs and explore miRNAs-mediated regulation in innate immunity and inflammation.
文摘目的探讨鼻咽癌患者血清miR-144-3p及miR-151-3p的表达水平及临床价值。方法选取2016年1月~2020年7月涿州市医院收治的106例鼻咽癌患者和50例健康对照组作为研究对象,采用实时定量PCR法检测miR-144-3p及miR-151-3p表达水平。应用受试者工作特征(ROC)曲线分析miR-144-3p及miR-151-3p诊断鼻咽癌的价值。Pearson相关分析鼻咽癌患者血清miR-144-3p与miR-151-3p表达水平的相关性。结果鼻咽癌组血清miR-144-3p(2.36±1.05 vs 0.82±0.27)及miR-151-3p(3.58±1.73 vs 0.97±0.36)表达水平均明显高于对照组,差异有统计学意义(均P<0.001)。鼻咽癌患者血清miR-144-3p及miR-151-3p表达水平升高与临床分期高、分化程度低、淋巴结转移及远处转移有关(t=5.824~19.307,均P<0.01)。ROC曲线显示,miR-144-3p为1.61及miR-151-3p为2.25是诊断鼻咽癌的最佳截断值,二者联合诊断鼻咽癌的曲线下面积(0.937,95%CI:0.875~0.99)最大,其敏感度和特异度为95.3%和87.0%。鼻咽癌患者血清miR-144-3p表达水平与miR-151-3p呈正相关(r=0.872,P<0.001)。结论鼻咽癌患者血清miR-144-3p及miR-151-3表达水平明显升高,二者联合诊断鼻咽癌的价值较高。
