Abstract

MicroRNAs (miRNAs) are small non-coding RNA molecules involved in the post-transcriptional regulation of specific mRNA targets, thus possibly controlling many biological processes. The miRNA profiling analysis can contribute to understanding several signaling pathways, as biomarkers for molecular diagnostic, as well as potential to be used as therapeutic targets. The miRNAs expression can be analyzed by quantitative reverse transcription PCR (RT-qPCR), microarrays, and RNA sequencing. The RT-qPCR method is sensitive and specific and has a lower cost when compared to other techniques as microarrays and RNA sequencing. Therefore, the protocol presented in this chapter describes step by step all the details to perform miRNA analysis using primer-based RT-qPCR.

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