Abstract
This report describes the use of the polymerase chain reaction (PCR) for the non-radioactive detection of HIV-1 proviral genomic sequences in HIV-1 infected cells. We have developed a sensitive assay, using three different sets of nested primers and our results show that this method is superior to standard PCR for the detection of HIV-1 DNA. The assay described features the use of a simple and inexpensive sample preparation technique and a non-radioactive hybridization procedure for confirmation of results. To test the suitability of the assay for clinical purposes, we tested cell samples from 76 anti-HlV-1 positive patients. All were positive for at least one primer set: 88% were positive for all three sets of primers; 9% were positive for two sets of primers and 3% were positive for only one set of primers. It provides a useful approach to the study of HIV-1 infection in patient samples where genomic copies often are present at such low numbers that they are otherwise undetectable.
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