Circulating MiR-133a as a biomarker predicts cardiac hypertrophy in chronic hemodialysis patients.

Circulating MiR-133a as a biomarker predicts cardiac hypertrophy in chronic hemodialysis patients.
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循环 MiR-133a 作为生物标志物预测慢性血液透析患者的心脏肥大

DOI:
10.1371/journal.pone.0103079
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
Yang J
Yang J
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wen P;Song D;Ye H;Wu X;Jiang L;Tang B;Zhou Y;Fang L;Cao H;He W;Yang Y;Dai C;Yang J

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背景microRNAs(miRNAs)是一类调控基因表达的小分子核糖核苷酸。microRNA以非常稳定的形式存在于血液中,并已成为心血管疾病患者的潜在诊断标志物。我们的研究旨在评估MHD患者的循环miR-133 a水平以及miR-133 a与心脏肥大的关系。方法我们使用从参与者血浆中分离的RNA分析miRNA。结果在64例MHD患者和18例健康对照中得到验证。结果MHD合并LVH患者血浆miR-133 a水平较健康对照组降低。血浆miR-133 a浓度与LVMI和IVS呈负相关。单次血液透析治疗后,血浆miR-133 a水平保持不变。心肌肌钙蛋白I和T与LVMI和IVS无关。结论循环miR-133 a可能是MHD患者心肌肥厚的替代生物标志物。
Background MicroRNAs (miRNAs) are small ribonucleotides regulating gene expression. MicroRNAs are present in the blood in a remarkably stable form and have emerged as potential diagnostic markers in patients with cardiovascular disease. Our study aimed to assess circulating miR-133a levels in MHD patients and the relation of miR-133a to cardiac hypertrophy. Methods We profiled miRNAs using RNA isolated from the plasma of participants. The results were validated in 64 MHD patients and 18 healthy controls. Results Levels of plasma miR-133a decreased in MHD patients with LVH compared with those in healthy controls. Plasma miR-133a concentrations were negatively correlated with LVMI and IVS. After single hemodialytic treatment, plasma miR-133a levels remained unchanged. Cardiac Troponin I and T were not associated with LVMI and IVS. Conclusions Our observations supplied the possibility that circulating miR-133a could be a surrogate biomarker of cardiac hypertrophy in MHD patients.
DOI: 10.1046/j.1523-1755.1999.00786.x
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