Circulating Extracellular Vesicles Contain miRNAs and are Released as Early Biomarkers for Cardiac Injury

Janine C Deddens, Krijn R Vrijsen, Johanna M Colijn, Marish Oerlemans, Corina H G Metz, Els J van der Vlist, Esther N M Nolte-'t Hoen, Krista den Ouden, SJ Jansen of Lorkeers, TIG van der Spoel, Stefan Koudstaal, Ger J Arkesteijn, Marca H M Wauben, Linda W van Laake, Pieter A Doevendans, Steven A J Chamuleau, Joost P G Sluijter*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Plasma-circulating microRNAs have been implicated as novel early biomarkers for myocardial infarction (MI) due to their high specificity for cardiac injury. For swift clinical translation of this potential biomarker, it is important to understand their temporal and spatial characteristics upon MI. Therefore, we studied the temporal release, potential source, and transportation of circulating miRNAs in different models of ischemia reperfusion (I/R) injury. We demonstrated that extracellular vesicles are released from the ischemic myocardium upon I/R injury. Moreover, we provided evidence that cardiac and muscle-specific miRNAs are transported by extracellular vesicles and are rapidly detectable in plasma. Since these vesicles are enriched for the released miRNAs and their detection precedes traditional damage markers, they hold great potential as specific early biomarkers for MI.

Original languageEnglish
Pages (from-to)291-301
Number of pages11
JournalJournal of Cardiovascular Translational Research
Volume9
Issue number4
DOIs
Publication statusPublished - 6 Jul 2016

Keywords

  • Biomarkers
  • Circulating microRNA
  • Exosomes
  • Extracellular vesicles
  • Myocardial infarction

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