Journal of vector borne diseases · 2023
A rapid method for DNA Isolation from blood, dried blood spots and rapid diagnosis test.
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Sharma Supriya, Sen Aparajita, Ahmed Naseem, Swarnkar Deendayal, Singh Himmat
Аннотация
BACKGROUND & OBJECTIVES: Malaria is a parasitic disease spread by Plasmodium parasite. Microscopy, lateral flow devices such as the Rapid Diagnostic Test (RDT), molecular methods such as Polymerase Chain Reaction (PCR), isothermal methods such as Loop-mediated isothermal amplification (LAMP), and other diagnostic methods are available for malaria. On the other hand, the accuracy of molecular diagnosis is dependent on genomic DNA isolation. A quick method for isolating and subjectively determining the presence of genomic DNA from blood, dried blood spot (DBS), and rapid diagnostic test (RDT), was identified.
METHODS: We have developed a protocol for isolating DNA from blood, DBS, and RDTs using the HUDSON Buffer (TCEP and EDTA). Isolated genomic DNA was seen with SYBR Safe DNA stain (1X) under a UV transilluminator without running in 0.8 percent gel electrophoresis or using a spectrophotometer.
RESULTS: The technique for DNA isolation was accurate for the presence of malaria parasite genomic DNA from positive samples confirmed by microscopy with a sensitivity of 76% and specificity of 78.67% and RDT with a sensitivity of 88% and specificity of 66%. The requirements were minimal, and the process took 30 minutes for a hundred sample processing.
INTERPRETATION & CONCLUSION: Finding a fast and reliable method of separating nucleic acids from many samples is crucial. This approach extracts intact genomic DNA in under ten minutes, making it ideal for large-scale investigations.
METHODS: We have developed a protocol for isolating DNA from blood, DBS, and RDTs using the HUDSON Buffer (TCEP and EDTA). Isolated genomic DNA was seen with SYBR Safe DNA stain (1X) under a UV transilluminator without running in 0.8 percent gel electrophoresis or using a spectrophotometer.
RESULTS: The technique for DNA isolation was accurate for the presence of malaria parasite genomic DNA from positive samples confirmed by microscopy with a sensitivity of 76% and specificity of 78.67% and RDT with a sensitivity of 88% and specificity of 66%. The requirements were minimal, and the process took 30 minutes for a hundred sample processing.
INTERPRETATION & CONCLUSION: Finding a fast and reliable method of separating nucleic acids from many samples is crucial. This approach extracts intact genomic DNA in under ten minutes, making it ideal for large-scale investigations.