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Next-generation sequencing of BRCA1/2 in breast cancer patients: potential effects on clinical decision-making using rapid, high-accuracy genetic results

Authors
 Hyung Seok Park  ;  Seo-Jin Park  ;  Jee Ye Kim  ;  Sanghwa Kim  ;  Jaegyu Ryu  ;  Joohyuk Sohn  ;  Seho Park  ;  Gun Min Kim  ;  In Sik Hwang  ;  Jong-Rak Choi  ;  Seung Il Kim 
Citation
 Annals of Surgical Treatment and Research, Vol.92(5) : 331-339, 2017 
Journal Title
 Annals of Surgical Treatment and Research 
ISSN
 2288-6575 
Issue Date
2017
Keywords
BRCA1 ; BRCA2 ; Breast neoplasms ; High-throughput nucleotide sequencing
Abstract
PURPOSE: We evaluated the clinical role of rapid next-generation sequencing (NGS) for identifying BRCA1/2 mutations compared to traditional Sanger sequencing. METHODS: Twenty-four paired samples from 12 patients were analyzed in this prospective study to compare the performance of NGS to the Sanger method. Both NGS and Sanger sequencing were performed in 2 different laboratories using blood samples from patients with breast cancer. We then analyzed the accuracy of NGS in terms of variant calling and determining concordance rates of BRCA1/2 mutation detection. RESULTS: The overall concordance rate of BRCA1/2 mutation identification was 100%. Variants of unknown significance (VUS) were reported in two cases of BRCA1 and 3 cases of BRCA2 after Sanger sequencing, whereas NGS reported only 1 case of BRCA1 VUS, likely due to differences in reference databases used for mutation identification. The median turnaround time of Sanger sequencing was 22 days (range, 14-26 days), while the median time of NGS was only 6 days (range, 3-21 days). CONCLUSION: NGS yielded comparably accurate results to Sanger sequencing and in a much shorter time with respect to BRCA1/2 mutation identification. The shorter turnaround time and higher accuracy of NGS may help clinicians make more timely and informed decisions regarding surgery or neoadjuvant chemotherapy in patients with breast cancer.
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DOI
10.4174/astr.2017.92.5.331
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Yonsei Biomedical Research Center (연세의생명연구원) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Gun Min(김건민) ORCID logo https://orcid.org/0000-0001-9167-8682
Kim, Sang Hwa(김상화)
Kim, Seung Il(김승일)
Kim, Jee Ye(김지예) ORCID logo https://orcid.org/0000-0003-3936-4410
Park, Se Ho(박세호) ORCID logo https://orcid.org/0000-0001-8089-2755
Park, Hyung Seok(박형석) ORCID logo https://orcid.org/0000-0001-5322-6036
Sohn, Joo Hyuk(손주혁) ORCID logo https://orcid.org/0000-0002-2303-2764
Choi, Jong Rak(최종락) ORCID logo https://orcid.org/0000-0002-0608-2989
Hwang, In Sik(황인식)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/163605
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