Clinical validation and the evaluation of a colorimetric SARS-CoV-2 RT-LAMP assay identify its robustness against RT-PCR
Erdem, M.; Andac-Ozketen, A.; Ozketen, A. C.; Karahan, G.; Tozluyurt, A.; Palaz, F.; Alp, A.; Unal, S.
Show abstract
The novel coronavirus has infected millions of people all around the world and has posed a great risk to global health. Rapid and accurate tests are needed to take early precautions and control the disease. The most routinely used method is real time polymerase chain reaction (RT-PCR) which stands as the gold standard in the detection of SARS-COV-2 viral RNA. However, robust assays as accurate as RT-PCR have been developed for rapid diagnosis and efficient control of the spread of the disease. Reverse transcriptase loop-mediated isothermal amplification (RT-LAMP) is one of the time-saving, accurate and cost-effective alternative methods to RT-PCR. In this study, we study the improved RT-LAMP colorimetric assay (N-Fact) to detect SARS-COV-2 viral RNA within 30 minutes using a primer sets special to N gene. Moreover, RT-LAMP colorimetric assay is subjected to authorized clinical studies to test its ability to detect COVID-19 in its early phases. The results reveal RT-LAMP colorimetric assay is an efficient, robust, and rapid assay to be used as in vitro diagnostic tool display competitiveness compared to RT-PCR.
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