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[The expression and clinical implication of plasma miR-328 in patients with atrial fibrillation]
Xi Wang1, Chun-guang Qiu, Zhen-wen Huang
1Cardiovascular Department, First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
Objective:
To observe the expression and clinical implication of plasma miR-328 in patients with atrial fibrillation (AF).
Methods:
Fifty-eight patients with AF (AF group: 17 paroxysmal AF, 21 persistent AF, and 20 permanent AF) and 15 healthy volunteers (Control group) were included. General clinical data and related biochemical parameters were collected. Plasma miR-328 levels were detected with quantitative real-time polymerase chain reaction (qRT-PCR) analysis. The correlation between plasma miR-328 and AF risk factors was analyzed.
Results:
(1) Compared with the control group, the expression level of plasma miR-328 was significantly elevated in AF group (fold 7.72 ± 9.32) (P < 0.05). (2) In AF group, the expression of plasma miR-328 was significantly different in different type of AF[paroxysmal AF with (1.98 ± 0.81), persistent AF with (6.57 ± 5.82) and permanent AF with (13.47 ± 12.29)] (P < 0.05), and which was increased in proportion to the duration of AF. (3) There was a positive correlation between plasma miR-328 level and left atrial diameter in the AF group (r = 0.310, P < 0.05).
Conclusion:
miR-328 expression is significantly increased in patients with AF, which may be involved in the atrial remodeling process of AF.
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