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Updated: Dec 20, 2025

Targeted RNA Sequencing Assay to Characterize Gene Expression and Genomic Alterations
Published on: August 4, 2016
Enhancing Diagnosis Through RNA Sequencing
1Department of Molecular and Human Genetics, Baylor College of Medicine, One Baylor Plaza, BCM225, Houston, TX 77030, USA.
Abstract:
The diagnostic rate of comprehensive genomic sequencing remains only 25% to 30% due to the difficulty in interpreting variants of uncertain significance and noncoding mutations and in elucidating downstream effects of these and other genetic changes. Unlike DNA sequencing, RNA sequencing (RNAseq) reveals the functional consequence of genetic variation through the detection of abnormal gene expression levels, differences in gene splicing, and allele-specific expression. RNAseq can provide nearly 40% improvement in diagnostic rates depending on disease and tissue source. In this burgeoning era of precision medicine, RNAseq offers a powerful tool to improve diagnostic rates and understand disease mechanisms.
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