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BACKGROUND Molecular tests for diagnosis of disease, particularly cancer, are gaining increased acceptance by physicians and their patients for disease prognosis and selection of treatment options. Gene expression profiles and genetic mutations are key parameters used for the molecular characterization of tumors. A variety of methods exist for mutation(More)
We report a method for Selective Depletion of abundant RNA (SDRNA) species from Human total RNA isolated from formalin-fixed, paraffin-embedded (FFPE) tissue, here demonstrating removal of ribosomal and mitochondrial transcripts from clinical FFPE tissue RNA archived up to 20 years. Importantly, SDRNA removes 98% of targeted RNAs while preserving relative(More)
RNA biomarkers discovered by RT-PCR-based gene expression profiling of archival formalin-fixed paraffin-embedded (FFPE) tissue form the basis for widely used clinical diagnostic tests; however, RT-PCR is practically constrained in the number of transcripts that can be interrogated. We have developed and optimized RNA-Seq library chemistry as well as(More)
Molecular analysis of archival tumor specimens has accelerated the discovery of clinically useful biomarkers. RNA-seq of RNA extracted from formalin fixed, paraffin embedded (FFPE) specimens, a potentially valuable source of biomarkers, is hampered by the presence of highly abundant ribosomal RNA (rRNA), which is difficult to remove due to extensive RNA(More)
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