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OBJECTIVES To address the diagnostic value of circulating microRNAs (miRNAs) in patients presenting with acute chest pain. DESIGN In a prospective, international, multicentre study, six miRNAs (miR-133a, miR-208b, miR-223, miR-320a, miR-451 and miR-499) were simultaneously measured in a blinded fashion in 1155 unselected patients presenting with acute(More)
The capacity of EPCs to repair injured tissues is limited. The role of miRNAs in EPCs is largely unknown. We tested whether miRNAs may be useful to enhance the regenerative capacity of EPCs. Early EPCs were isolated from human PBMCs, and late EPCs were amplified from enriched human peripheral CD34(+) cells. Expression profiles of miRNAs and mRNAs were(More)
BACKGROUND Rapid and correct diagnosis of acute myocardial infarction (MI) has an important impact on patient treatment and prognosis. We compared the diagnostic performance of high-sensitivity cardiac troponin T (hs-cTnT) and cardiac enriched microRNAs (miRNAs) in patients with MI. METHODS Circulating concentrations of cardiac-enriched miR-208b and(More)
BACKGROUND Administration of endothelial progenitor cells (EPC) represents a promising option to regenerate the heart after myocardial infarction, but is limited because of low recruitment and engraftment in the myocardium. Mobilization and migration of EPC are mainly controlled by stromal cell-derived factor 1α (SDF-1α) and its receptor CXCR4. We(More)
OBJECTIVE Prediction of clinical outcome after cardiac arrest is clinically important. While the potential of circulating microRNAs as biomarkers of acute coronary syndromes is an active field of investigation, it is unknown whether microRNAs are associated with outcome in cardiac arrest patients. DESIGN Prospective, single-center proof-of-concept study.(More)
miRNAs are small noncoding RNAs known to post-transcriptionally regulate gene expression. miRNAs are expressed in the heart where they regulate multiple pathophysiological processes. The discovery of stable cardiac miRNAs in the bloodstream has also motivated the investigation of their potential as biomarkers. This review gathers the current knowledge on(More)
BACKGROUND AND OBJECTIVES Diagnosis of acute myocardial injury with biomarkers is difficult in patients with advanced renal failure. Circulating microRNAs are promising new biomarkers of myocardial injury. It is unknown whether levels of microRNAs are affected in patients undergoing hemodialysis. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS(More)
BACKGROUND The biomarker value of circulating microRNAs (miRNAs) has been extensively addressed in patients with acute coronary syndrome. However, prognostic performances of miRNAs in patients with acute heart failure (AHF) has received less attention. METHODS A test cohort of 294 patients with acute dyspnea (236 AHF and 58 non-AHF) and 44 patients with(More)
The muscle LIM protein (MLP) is a nucleocytoplasmic shuttling protein playing important roles in the regulation of myocyte remodeling and adaptation to hypertrophic stimuli. Missense mutations in human MLP or its ablation in transgenic mice promotes cardiomyopathy and heart failure. The exact function(s) of MLP in the cytoplasmic compartment and the(More)