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Circulating miR-185-5p as a Potential Biomarker for Arrhythmogenic Right Ventricular Cardiomyopathy

: Sacchetto, C.; Mohseni, Z.; Colpaert, R.M.W.; Vitiello, L.; Bortoli, M.D.; Vonhögen, I.G.C.; Xiao, K.; Poloni, G.; Lorenzon, A.; Romualdi, C.; Bariani, R.; Mazzotti, E.; Daliento, L.; Bauce, B.; Corrado, D.; Thum, T.; Rampazzo, A.; Windt, L.J. de; Calore, M.

Fulltext ()

Cells 10 (2021), No.10, Art. 2578, 9 pp.
ISSN: 2073-4409
Journal Article, Electronic Publication
Fraunhofer ITEM ()

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a genetic cardiac disease characterized by progressive myocardial fibro-fatty replacement, arrhythmias and risk of sudden death. Its diagnosis is challenging and often it is achieved after disease onset or postmortem. In this study, we sought to identify circulating microRNAs (miRNAs) differentially expressed in ARVC patients compared to healthy controls. In the pilot study, we screened the expression of 754 miRNAs from 21 ARVC patients and 20 healthy controls. After filtering the miRNAs considering a log fold-change cut-off of ±1, p-value < 0.05, we selected five candidate miRNAs for a subsequent validation study in which we used TaqMan-based real-time PCR to analyse samples from 37 ARVC patients and 30 healthy controls. We found miR-185-5p significantly upregulated in ARVC patients. Receiver operating characteristic analysis indicated an area under the curve of 0.854, corroborating the link of this miRNA and ARVC pathophysiology.