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Combination of peripheral blood mononuclear cell miR-19b-5p, miR-221, miR-25-5p, and hypertension correlates with an increased heart failure risk in coronary heart disease patients [Anatol J Cardiol]
Anatol J Cardiol. 2018; 20(2): 100-109 | DOI: 10.14744/AnatolJCardiol.2018.43255  

Combination of peripheral blood mononuclear cell miR-19b-5p, miR-221, miR-25-5p, and hypertension correlates with an increased heart failure risk in coronary heart disease patients

Yuan Yao1, Tao Song1, Gang Xiong2, Zhaogui Wu1, Qi Li1, Hao Xia1, Xuejun Jiang1
1Department of Cardiology, Renmin Hospital of Wuhan University, Hubei General Hospital; Cardiovascular Research Institute of Wuhan University, Hubei Key Laboratory of Cardiology; Wuhan-China
2Department of Cardiology, Wuhan Asia Heart Hospital; Wuhan-China

Objective: The aim of this study was to explore the differences in microRNA (miRNA) profiles in peripheral blood mononuclear cells (PBMCs) between coronary heart disease (CHD) patients with and without heart failure (HF) and to assess the values of differentially expressed miRNAs (DEMs) regarding HF risk in CHD patients.
Methods: Six CHD patients with HF and six age- and gender-matched CHD patients without HF were enrolled in the exploration stage, and 44 CHD patients with HF and 42 age- and gender-matched CHD patients without HF were recruited in the validation stage. Peripheral blood samples were collected from all the participants, and PBMCs were separated for miRNA detection. miRNA microarray and quantitative polymerase chain reaction were performed to assess the miRNA expression.
Results: In the exploration stage, heat map analysis showed that CHD patients with HF could be distinguished from those without HF using PMBC miRNA expressions; 63 downregulated DEMs and 84 upregulated DEMs in PBMCs were identified in CHD patients with HF using volcano map, and top 8 DEMs were selected based on their p values. In the validation stage, PBMC miR-221, miR-19b-5p, and miR-25-5p were found to be markedly dysregulated in CHD patients with HF. Multiple logistic regression analysis showed PBMC miR-221, miR-19b-5p, miR-25-5p, and hypertension to be the independent predictive factors for HF in CHD patients. A receiver operating characteristic curve demonstrated that area under curve of the combination of miR-221, miR-19b-5p, miR-25-5p, and hypertension was 0.871 (95% CI: 0.794-0.944).
Conclusion: CHD patients with and without HF could be differentiated according to PBMC miRNA profiles, and the combination of PBMC miR-19b-5p, miR-221, miR-25-5p, and hypertension correlates with an increased HF risk in CHD patients.

Keywords: miRNA, profile, risk, heart failure, coronary heart disease


Yuan Yao, Tao Song, Gang Xiong, Zhaogui Wu, Qi Li, Hao Xia, Xuejun Jiang. Combination of peripheral blood mononuclear cell miR-19b-5p, miR-221, miR-25-5p, and hypertension correlates with an increased heart failure risk in coronary heart disease patients. Anatol J Cardiol. 2018; 20(2): 100-109

Corresponding Author: Xuejun Jiang, China


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