Journal
CLINICA CHIMICA ACTA
Volume 507, Issue -, Pages 139-142Publisher
ELSEVIER
DOI: 10.1016/j.cca.2020.04.023
Keywords
COVID-19; SARS-CoV-2; Molecular diagnosis; Multiplex; rRT-PCR; High-sensitive
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Background: The detection of SARS-CoV-2 RNA by real-time reverse transcription-polymerase chain reaction (rRT-PCR) is used to confirm the clinical diagnosis of COVID-19 by molecular diagnostic laboratories. We developed a multiplex rRT-PCR methodology for the detection of SARS-CoV-2 RNA. Methods: Three genes were used for multiplex rRT-PCR: the Sarbecovirus specific E gene, the SARS-CoV-2 specific N gene, and the human ABL1 gene as an internal control. Results: Good correlation of C-q values was observed between the simplex and multiplex rRT-PCR methodologies. Low copies (< 25 copies/reaction) of SARS-CoV-2 RNA were detected by the novel multiplex rRT-PCR method. Conclusion: The proposed multiplex rRT-PCR methodology will enable highly sensitive detection of SARS-CoV-2 RNA, reducing reagent use and cost, and time required by clinical laboratory technicians.
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