Point-of-care diagnostic tools to detect circulating MicroRNAS as biomarkers of disease

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Abstract

MicroRNAs or miRNAs are a form of small non-coding RNAs (ncRNAs) of 19-22 nucleotides in length in their mature form. miRNAs are transcribed in the nucleus of all cells from large precursors, many of which have several kilobases in length. Originally identified as intracellular modulators of protein synthesis via posttranscriptional gene silencing, more recently it has been found that miRNAs can travel in extracellular human fluids inside specialized vesicles known as exosomes. We will be referring to this miRNAs as circulating microRNAs. More interestingly, the miRNA content inside exosomes changes during pathological events. In the present review we analyze the literature about circulating miRNAs and their possible use as biomarkers. Furthermore, we explore their future in point-of-care (POC) diagnostics and provide an example of a portable POC apparatus useful in the detection of circulating miRNAs. © 2014 by the authors; licensee MDPI, Basel, Switzerland.

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Vaca, L. (2014, May 22). Point-of-care diagnostic tools to detect circulating MicroRNAS as biomarkers of disease. Sensors (Switzerland). MDPI AG. https://doi.org/10.3390/s140509117

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