A novel and universal method for microRNA RT-qPCR data normalization
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Genome Biology 2009, 10:R64 doi:10.1186/gb-2009-10-6-r64Published: 16 June 2009
Gene expression analysis of microRNA molecules is becoming increasingly important. In this study we assess the use of the mean expression value of all expressed microRNAs in a given sample as a normalization factor for microRNA real-time quantitative PCR data and compare its performance to the currently adopted approach. We demonstrate that the mean expression value outperforms the current normalization strategy in terms of better reduction of technical variation and more accurate appreciation of biological changes.