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Accession IconGSE104561

Systematic evaluation of RNA quality and microarray data reliability in rat formalin-fixed paraffin-embedded and fresh frozen tissue samples

Organism Icon Rattus norvegicus
Sample Icon 6 Downloadable Samples
Technology Badge Icon Affymetrix Human Gene 2.0 ST Array (hugene20st)

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We assessed the feasibility and reliability of microarray studies using formalin-fixed paraffin-embedded (FFPE) tissue-derived RNA compared with transcriptome data from paired fresh-frozen (FF) material. We established a robust workflow to generate highly reproducible microarray datasets from only 2 ng RNA input. For prior quality assessment, inspection of Agilent Bioanalyzer electropherograms, calculation of RNA fragment size distribution (DV200) and routine qPCR for selected references genes were done.
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