Target capture of DNA from FFPE samples—recommendations for generating robust sequencing data

Cancer therapies that target specific pathways can be more effective than established, nonspecific chemotherapy and radiation treatments, and may prevent side effects on healthy tissues. Such targeted therapies can only be applied after underlying gene mutations have been identified. However, detecting low frequency variants from clinically relevant samples poses significant challenges. Specimens are routinely formalin-fixed and paraffin-embedded (FFPE) for histology, which can decrease the efficiency of NGS library preparation. In this presentation, we discuss approaches for extraction of DNA from FFPE samples, and recommend quality control assays to guide parameter selection for library construction and sequencing depth.


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