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- W2520003389 abstract "The ability to evaluate individual HIV-1 virions from the quasispecies of vertically infected infants was evaluated in a field setting at the Centre for Infectious Disease Research in Zambia. Infant heel-prick blood specimens were spotted onto dried blood spot (DBS) filter paper cards at government health clinics. Nucleic acid was extracted and used as a template for HIV-1 proviral DNA detection by a commercial Amplicor HIV-1 PCR test (Roche, version 1.5). On samples that tested positive by commercial diagnostic assay, amplification of DNA was performed using an in-house assay of the 5′ and 3′ region of the HIV-1 genome. Additionally, fragments covering 1200 nucleotides within pol (full length protease and partial reverse transcriptase) and 1400 nucleotides within env (variable 1-variable 5 region) were further analyzed by single genome amplification (SGA). In summary, we have demonstrated an in-house assay for amplifying the 5′ and 3′ proviral HIV-1 DNA as well as pol and env proviral DNA fragments from DBS cards collected and analyzed entirely in Zambia. In conclusion, this study shows the feasibility of utilizing DBS cards to amplify the whole proviral HIV-1 genome as well as perform SGA on key HIV-1 genes." @default.
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- W2520003389 date "2015-09-01" @default.
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- W2520003389 title "The role of HIV-1 qualitative Total Nucleic Acid PCR in the Era of Ultrasensitive HIV-1 Quantitative RNA PCR for the Diagnosis of Human Immunodeficiency Virus Type 1" @default.
- W2520003389 doi "https://doi.org/10.1016/j.jcv.2015.07.234" @default.
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