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Título: | Circulating microRNAs as emerging cardiac biomarkers responsive to acute exercise |
Autor: | Gonzalo-Calvo, David de CSIC ORCID; Dávalos Herrera, Alberto; Fernández-Sanjurjo, Manuel; Amado-Rodríguez, Laura; Díaz-Coto, Susana; Tomás-Zapico, Cristina CSIC ORCID; Montero, Ana CSIC; García-González, Ángela; Llorente-Cortés, Vicenta CSIC ORCID; Heras, Maria Eugenia; Boraita Pérez, Araceli; Díaz-Martínez, Ángel E.; Úbeda, Natalia; Iglesias-Gutiérrez, Eduardo | Palabras clave: | Circulating microRNAs Exercise Biomarkers Heart diseases |
Fecha de publicación: | 1-ago-2018 | Editor: | Elsevier | Citación: | International Journal of Cardiology 264: 130-136 (2018) | Resumen: | [Background] Circulating microRNAs (c-miRNAs) are mediators of intercellular communication with great potential as cardiac biomarkers. The analysis of c-miRNAs in response to physiological stress, such as exercise, would provide valuable information for clinical practice and a deeper understanding of the molecular response to physical activity. Here, we analysed for the first time the acute exercise response of c-miRNAs reported as biomarkers of cardiac disease in a well-characterized cohort of healthy active adults. [Methods] Blood samples were collected immediately before and after (0 h, 24 h, 72 h) a 10-km race, a half-marathon (HM) and a marathon (M). Serum RNA from 10-km and M samples was extracted and a panel of 74 miRNAs analysed using RT-qPCR. c-miRNA response was compared with a panel of nine cardiac biomarkers. Functional enrichment analysis was performed. Pre- and post-M echocardiographic analyses were carried out. [Results]Serum levels of all cardiac biomarkers were upregulated in a dose-dependent manner in response to exercise, even in the absence of symptoms or signs of cardiac injury. A deregulation in the profiles of 5 and 19 c-miRNAs was observed for 10-km and M, respectively. Each race induced a specific qualitative and quantitative alteration of c-miRNAs implicated in cardiac adaptions. Supporting their discriminative potential, a number of c-miRNAs previously associated with cardiac disease were undetectable or stable in response to exercise. Conversely, “pseudo-disease” signatures were also observed. [Conclusions] c-miRNAs may be useful for the management of cardiac conditions in the context of acute aerobic exercise. [Translational aspects of the work] Circulating microRNAs could offer incremental diagnostic value to established and emerging cardiac biomarkers, such as hs-cTnT or NT-proBNP, in those patients with cardiac dysfunction symptoms after an acute bout of endurance exercise. Furthermore, circulating miRNAs could also show “pseudo-disease” signatures in response to acute exercise. Clinical practitioners should be aware of the impact caused by exercise in the interpretation of miRNA data. | Versión del editor: | https://doi.org/10.1016/j.ijcard.2018.02.092 | URI: | http://hdl.handle.net/10261/176569 | DOI: | 10.1016/j.ijcard.2018.02.092 | ISSN: | 0167-5273 |
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