Abstract:
:Risk stratification is crucial in prevention. Circulating microRNAs have been proposed as biomarkers in cardiovascular disease. Here a miR panel consisting of miRs related to different cardiovascular pathophysiologies, was evaluated to predict outcome in the context of prevention. MiR-34a, miR-223, miR-378, miR-499 and miR-133 were determined from peripheral blood by qPCR and combined to a risk panel. As derivation cohort, 178 individuals of the DETECT study, and as validation cohort, 129 individuals of the SHIP study were used in a case-control approach. Overall mortality and cardiovascular events were outcome measures. The Framingham Risk Score(FRS) and the SCORE system were applied as risk classification systems. The identified miR panel was significantly associated with mortality given by a hazard ratio(HR) of 3.0 (95% (CI): 1.09-8.43; p = 0.034) and of 2.9 (95% CI: 1.32-6.33; p = 0.008) after adjusting for the FRS in the derivation cohort. In a validation cohort the miR-panel had a HR of 1.31 (95% CI: 1.03-1.66; p = 0.03) and of 1.29 (95% CI: 1.02-1.64; p = 0.03) in a FRS/SCORE adjusted-model. A FRS/SCORE risk model was significantly improved to predict mortality by the miR panel with continuous net reclassification index of 0.42/0.49 (p = 0.014/0.005). The present miR panel of 5 circulating miRs is able to improve risk stratification in prevention with respect to mortality beyond the FRS or SCORE.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Keller T,Boeckel JN,Groß S,Klotsche J,Palapies L,Leistner D,Pieper L,Stalla GK,Lehnert H,Silber S,Pittrow D,Maerz W,Dörr M,Wittchen HU,Baumeister SE,Völker U,Felix SB,Dimmeler S,Zeiher AMdoi
10.1038/s41598-017-04040-wsubject
Has Abstractpub_date
2017-07-03 00:00:00pages
4511issue
1issn
2045-2322pii
10.1038/s41598-017-04040-wjournal_volume
7pub_type
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