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A novel and universal method for microRNA RT-qPCR data normalization |
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| Authors: | Pieter Mestdagh Pieter Van Vlierberghe An De Weer Daniel Muth Frank Westermann Frank Speleman Jo Vandesompele |
| Affiliation: | (1) Center for Medical Genetics, Ghent University Hospital, De Pintelaan 185, Ghent, Belgium;(2) Department of Tumour Genetics, German Cancer Center, Im Neuenheimer Feld 280, Heidelberg, Germany |
| Abstract: | 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. |
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