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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 230 - 234 (5page)
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초록· 키워드
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Background: The largest outbreak of Middle East respiratory syndrome coronavirus (MERS-CoV) infection outside Middle East Asia in 2015 has necessitated the rapid expansion of laboratories that conduct MERS-CoV molecular testing in Korea, together with external quality assessment (EQA) to evaluate the assays used.
Methods: The EQA program consisted of two phases; self-validation and blind assessment. For the first EQA phase, in vitro transcribed upstream region of the envelope gene (upE) and the open reading frame (ORF)1a RNAs were used at a concentration of 1,000 copies/μL. The test panel for the second EQA phase consisted of RNA extracts from three samples, which were obtained from two MERS-CoV positive patients and one MERS-CoV negative patient.
Results: The first EQA phase results for 46 participants showed a linear relationship between the threshold cycle (CT) values of RNA materials and the logarithmic concentrations for both upE and ORF1a gene targets (R2=0.73 and 0.75, respectively). The mean CT value for each concentration was different depending on which commercial kit was used for the assay. Among the three commonly used kits, PowerChek MERS Real-Time PCR kit (KogeneBiotech, Korea) showed the lowest CT values at all concentrations of upE and most concentrations of ORF1a. The second EQA phase results for 47 participants were 100% correct for all tested samples.
Conclusions: This EQA survey demonstrates that the MERS-CoV molecular testing performed in Korea during the 2015 outbreak is of robust capability. However, careful establishment and validation of a cut-off value are recommended to ensure good analytical sensitivity.
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참고문헌 (8)
참고문헌 신청
van Boheemen S / 2012 / Genomic characterization of a newly discovered coronavirus associated with acute respiratory distress syndrome in humans / MBio 3
Zaki AM / 2012 / Isolation of a novel coronavirus from a man with pneumonia in Saudi Arabia / N Engl J Med 367:1814~1820
Corman VM / 2012 / Detection of a novel human coronavirus by real-time reverse-transcription polymerase chain reaction / Euro Surveill 17
Corman VM / 2012 / Assays for laboratory confirmation of novel human coronavirus (hCoV-EMC) infections / Euro Surveill 17
WHO / Laboratory Testing for Middle East respiratory syndrome coronavirus. Interim recommendations (revised)
Zaki AM / 2012 / Isolation of a novel coronavirus from a man with pneumonia in Saudi Arabia / N Engl J Med 367:1814~1820
Corman VM / 2012 / Detection of a novel human coronavirus by real-time reverse-transcription polymerase chain reaction / Euro Surveill 17
Corman VM / 2012 / Assays for laboratory confirmation of novel human coronavirus (hCoV-EMC) infections / Euro Surveill 17
WHO / Laboratory Testing for Middle East respiratory syndrome coronavirus. Interim recommendations (revised)
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