目的观察microRNA-4463(miR-4463)在下肢动脉硬化闭塞症(ASO)患者血浆和组织中的表达变化,推测其可能意义。方法采用miRNA芯片方法筛选ASO患者和对照人群血浆中差异表达miRNA,Real time PCR技术验证ASO患者和对照人群中miR-4463的表达水...目的观察microRNA-4463(miR-4463)在下肢动脉硬化闭塞症(ASO)患者血浆和组织中的表达变化,推测其可能意义。方法采用miRNA芯片方法筛选ASO患者和对照人群血浆中差异表达miRNA,Real time PCR技术验证ASO患者和对照人群中miR-4463的表达水平,并进行临床分期比较。靶基因预测软件分析miR-4463靶基因,Gene Ontology和KEGG数据库分析靶基因的功能和信号通路。结果与对照组相比,ASO患者血浆中有51个miRNA变化超过1.5倍(P<0.05)。miR-4463在ASO患者血浆和病变血管内膜组织中表达均显著降低,并随Fontaine分期呈逐渐下降趋势。生物信息学分析发现miR-4463靶基因与细胞迁移、脂质代谢、内吞作用等相关。结论 miR-4463参与了ASO的病程,其表达下降可能提示ASO的发生。展开更多
The purpose of this study is to measure the expression of microRNA-4463 and microRNA-6087 between normal persons and patients with hepatocellular carcinoma(HCC),and to clarify the meaning of them in the prognosis eval...The purpose of this study is to measure the expression of microRNA-4463 and microRNA-6087 between normal persons and patients with hepatocellular carcinoma(HCC),and to clarify the meaning of them in the prognosis evaluation in HCC.Forty-five samples from healthy people and patients,who had been diagnosed with hepatocellular carcinoma before any treatment,were collected to study respectively.Real-time PCR was used to detect the expression of miRNA-4463 and miRNA-6087 in the serum of control group and hepatocellular carcinoma patients.The expression of miR-4463 in the serum of HCC patients was significantly higher than that in control group(P<0.05),and the expression level was independent of gender,tumor size,cell types,stages,alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBIL)and HBsAg status(P>0.05).But there was a significant difference of different level of AFP in HCC(P<0.05),and the difference between the group of AFP lower than 400 ug/l and the control group is statistically significant(P<0.05).Besides,the survival time had showed a significant difference at the high and low expression levels(P<0.05).But the expression level of miRNA-6087 was no difference in HCC and control group.The disorder of miRNA-4463 occurred in HCC,even the AFP level doesn’t rises.What’s more,patients who get the high level of miRNA-4463 seem to have a shorter survival time.And it contributes great to the prognostic evaluation.This is the first study to illustrate the potential significance of miRNA-4463 in the prognosis in HCC.展开更多
文摘目的观察microRNA-4463(miR-4463)在下肢动脉硬化闭塞症(ASO)患者血浆和组织中的表达变化,推测其可能意义。方法采用miRNA芯片方法筛选ASO患者和对照人群血浆中差异表达miRNA,Real time PCR技术验证ASO患者和对照人群中miR-4463的表达水平,并进行临床分期比较。靶基因预测软件分析miR-4463靶基因,Gene Ontology和KEGG数据库分析靶基因的功能和信号通路。结果与对照组相比,ASO患者血浆中有51个miRNA变化超过1.5倍(P<0.05)。miR-4463在ASO患者血浆和病变血管内膜组织中表达均显著降低,并随Fontaine分期呈逐渐下降趋势。生物信息学分析发现miR-4463靶基因与细胞迁移、脂质代谢、内吞作用等相关。结论 miR-4463参与了ASO的病程,其表达下降可能提示ASO的发生。
基金National Nature Science Foundation of China,Grant number:81272960Key Research Program from Science and Technology Department of Hunan Province China,Grant number:2013WK2010 and 2014SK2015+1 种基金Key Research Program from Ministry of human Resources and Social Security of the People’s Republic of China,Grant number:(2016)176The fund of Tianqing liver disease research,Grant number:(TQGB20140155).
文摘The purpose of this study is to measure the expression of microRNA-4463 and microRNA-6087 between normal persons and patients with hepatocellular carcinoma(HCC),and to clarify the meaning of them in the prognosis evaluation in HCC.Forty-five samples from healthy people and patients,who had been diagnosed with hepatocellular carcinoma before any treatment,were collected to study respectively.Real-time PCR was used to detect the expression of miRNA-4463 and miRNA-6087 in the serum of control group and hepatocellular carcinoma patients.The expression of miR-4463 in the serum of HCC patients was significantly higher than that in control group(P<0.05),and the expression level was independent of gender,tumor size,cell types,stages,alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBIL)and HBsAg status(P>0.05).But there was a significant difference of different level of AFP in HCC(P<0.05),and the difference between the group of AFP lower than 400 ug/l and the control group is statistically significant(P<0.05).Besides,the survival time had showed a significant difference at the high and low expression levels(P<0.05).But the expression level of miRNA-6087 was no difference in HCC and control group.The disorder of miRNA-4463 occurred in HCC,even the AFP level doesn’t rises.What’s more,patients who get the high level of miRNA-4463 seem to have a shorter survival time.And it contributes great to the prognostic evaluation.This is the first study to illustrate the potential significance of miRNA-4463 in the prognosis in HCC.