Association between the level of CD4^+T lymphocyte microRNA-155 and coronary artery disease in patients with unstable angina pectoris

查看全文 作　　者：Zi-Liang [1]WE;Hai-Li [2]LU;Qiang [1]SU;Lang [1]Li

机构地区：[1]Department of Cardiology,the First Affiliated Hospital of Guangxi Medical University,Guangxi Cardiovascular Institute,Nanning,Guangxi,China;[2]Department of Orthodontics,the Affiliated Dental Hospitdl of Guangxi Medical University,Nanning,Cruangxi,China

出　　处：《Journal of Geriatric Cardiology》索引2018年第15卷第10期,共7页

摘　　要：Objective To study the association between the expression of microRNA-155(miRNA-155)in peripheral blood CD4^+T lymphocytes and the level of semrn interferon-7(IFN-7)concentration and the severity of coronary artery disease (CAD).Methods After coronary angiography,252patients with suspected unstable angina pectoris (UAP)were divided into the UAP group (128patients with CAD confirmed by angiography)and the control group (124patients without CAD confirmed by angiography).Fresh peripheral blood was extracted 16-24h before coronary angiography,CD4^+T lymphocytes was tested using immunomagnetic beads,the expression ofmiRNA-155was tested using quantitative PCR and the expression of IFN-7was tested using enzyme-linked immunosorbent assay (ELISA).According to the results of angiography,Gensini score of coronary artery lesions was analyzed.Furthermore,we also analysis the association between the level of miRNA-155in peripheral blood CD4^+T lymphocytes,the level of serum IFN-γand Gensini score of coronary lesion.Results The levels ofmiRNA-155(0.49±0.08vs.0.23±0.09)and IFN-7(227.58±26.01vs.141.23±17.89)in the UAP group were significantly higher than that of the control group,the difference was statistically significant.The level of miRNA-155and IFN-γwere positively correlated with Gensini score of CAD (r =0.534,r =0.713,respectively,all P <0.05).The level of miRNA-155was positively correlated with the level of IFN-γ,(r =0.686,P <0.05).Conclusions The level of miRNA-155in peripheral blood CD4^+T lymphocytes and the level of IFN-γ are closely correlated with the severity of CAD. 关键词：CD4^+T LYMPHOCYTE CORONARY ARTERY disease IFN-γ MicroRNA-155

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Association between the level of CD4^+T lymphocyte microRNA-155 and coronary artery disease in patients with unstable angina pectoris

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