Abstract
Next-generation sequencing (NGS) has been implemented as a rapid and cost-effective BRCA1/2 test strategy. The Oncomine™ BRCA Research Assay is an NGS-based tool for simultaneous detection of small-scale mutations and large genomic rearrangements (LGRs). We evaluated this NGS assay using different versions of Ion Reporter™ (IR) software. A total of 258 patients with breast, ovarian, primary peritoneal, and fallopian tube cancer, or a family history thereof, were enrolled in the study. The NGS assay was implemented for all samples, and the results were compared with those of Sanger sequencing and MLPA. All small-scale variations in Sanger sequencing were successfully detected by NGS assay. For the detection of LGRs, this assay showed 100% sensitivity from IR v5.10, and the latest version of the software (v5.16) showed the highest sensitivity and specificity. NGS with an appropriately updated workflow proved reliable for comprehensive BRCA1/2 gene testing, including LGR screening, which could facilitate efficient and accurate decision-making regarding treatment.
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