Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death

BackgroundThe identification of coronary artery disease-induced sudden cardiac death (CAD-SCD) has always been a medical challenge. MicroRNAs (miRNAs) played vital roles in pathogenesis processes and served as potential biomarkers for cardiovascular and many other diseases. The aim of this study was...

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Main Authors: Linfeng Li, Xiangwang He, Min Liu, Libing Yun, Bin Cong
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Cardiovascular Medicine
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fcvm.2022.944317/full
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author Linfeng Li
Xiangwang He
Min Liu
Libing Yun
Bin Cong
Bin Cong
author_facet Linfeng Li
Xiangwang He
Min Liu
Libing Yun
Bin Cong
Bin Cong
author_sort Linfeng Li
collection DOAJ
description BackgroundThe identification of coronary artery disease-induced sudden cardiac death (CAD-SCD) has always been a medical challenge. MicroRNAs (miRNAs) played vital roles in pathogenesis processes and served as potential biomarkers for cardiovascular and many other diseases. The aim of this study was to investigate the diagnostic value of the specific miRNAs for CAD-SCD.MethodsA total of 30 autopsy-verified CAD-SCD victims were selected, including 18 individuals who experienced more than once asymptomatic myocardial ischemia (CAD-activated SCD) and 12 victims without prominent pathological features of insufficient blood supply (CAD-silent SCD). Meanwhile, 30 traumatic victims were enrolled as controls. Systematic postmortem examinations were performed in all study population. The expressions of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p were analyzed by real-time quantitative polymerase chain reaction (RT-qPCR).ResultsRT-qPCR showed significant downregulations of miR-126-5p and miR-499a-5p in CAD-SCD victims, with no obvious difference in miR-134-5p. Receiver-operating characteristic analysis revealed the diagnostic performance of miR-126-5p (areas under the curve [AUC] = 0.76) and validated miR-499a-5p (AUC = 0.82) as a sensitive marker. Additionally, the decreased expression of the two specific cardio-miRNAs was detected for discriminating CAD-silent SCD and CAD-activated SCD. Compared with the limited diagnostic value of single miR-126-5p and miR-499a-5p, their combination could achieve better discriminative capacity (AUC = 0.82, sensitivity = 91.7%, specificity = 77.8%).ConclusionCardiac miR-126-5p and miR-499a-5p presented good diagnostic abilities for CAD-SCD, and their combination could help evaluate CAD condition. These targeted miRNAs as novel biomarkers are expected to be useful to discriminate the detailed causes in real SCD cases.
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spelling doaj.art-ca9b1fe9612d4133a665caa7a0b916902022-12-22T02:16:39ZengFrontiers Media S.A.Frontiers in Cardiovascular Medicine2297-055X2022-08-01910.3389/fcvm.2022.944317944317Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac deathLinfeng Li0Xiangwang He1Min Liu2Libing Yun3Bin Cong4Bin Cong5Department of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Science, Sichuan University, Chengdu, ChinaDepartment of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Science, Sichuan University, Chengdu, ChinaDepartment of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Science, Sichuan University, Chengdu, ChinaDepartment of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Science, Sichuan University, Chengdu, ChinaDepartment of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Science, Sichuan University, Chengdu, ChinaDepartment of Forensic Medicine, Hebei Medical University, Shijiazhuang, ChinaBackgroundThe identification of coronary artery disease-induced sudden cardiac death (CAD-SCD) has always been a medical challenge. MicroRNAs (miRNAs) played vital roles in pathogenesis processes and served as potential biomarkers for cardiovascular and many other diseases. The aim of this study was to investigate the diagnostic value of the specific miRNAs for CAD-SCD.MethodsA total of 30 autopsy-verified CAD-SCD victims were selected, including 18 individuals who experienced more than once asymptomatic myocardial ischemia (CAD-activated SCD) and 12 victims without prominent pathological features of insufficient blood supply (CAD-silent SCD). Meanwhile, 30 traumatic victims were enrolled as controls. Systematic postmortem examinations were performed in all study population. The expressions of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p were analyzed by real-time quantitative polymerase chain reaction (RT-qPCR).ResultsRT-qPCR showed significant downregulations of miR-126-5p and miR-499a-5p in CAD-SCD victims, with no obvious difference in miR-134-5p. Receiver-operating characteristic analysis revealed the diagnostic performance of miR-126-5p (areas under the curve [AUC] = 0.76) and validated miR-499a-5p (AUC = 0.82) as a sensitive marker. Additionally, the decreased expression of the two specific cardio-miRNAs was detected for discriminating CAD-silent SCD and CAD-activated SCD. Compared with the limited diagnostic value of single miR-126-5p and miR-499a-5p, their combination could achieve better discriminative capacity (AUC = 0.82, sensitivity = 91.7%, specificity = 77.8%).ConclusionCardiac miR-126-5p and miR-499a-5p presented good diagnostic abilities for CAD-SCD, and their combination could help evaluate CAD condition. These targeted miRNAs as novel biomarkers are expected to be useful to discriminate the detailed causes in real SCD cases.https://www.frontiersin.org/articles/10.3389/fcvm.2022.944317/fullcoronary artery diseasesudden cardiac deathmicroRNAmyocardial hypertrophymyocardial fibrosis
spellingShingle Linfeng Li
Xiangwang He
Min Liu
Libing Yun
Bin Cong
Bin Cong
Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
Frontiers in Cardiovascular Medicine
coronary artery disease
sudden cardiac death
microRNA
myocardial hypertrophy
myocardial fibrosis
title Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
title_full Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
title_fullStr Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
title_full_unstemmed Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
title_short Diagnostic value of cardiac miR-126-5p, miR-134-5p, and miR-499a-5p in coronary artery disease-induced sudden cardiac death
title_sort diagnostic value of cardiac mir 126 5p mir 134 5p and mir 499a 5p in coronary artery disease induced sudden cardiac death
topic coronary artery disease
sudden cardiac death
microRNA
myocardial hypertrophy
myocardial fibrosis
url https://www.frontiersin.org/articles/10.3389/fcvm.2022.944317/full
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