An human immunodeficiency virus (HIV)-1 integrase (IN) genotyping assay was developed to evaluate clinical samples from patients infected with HIV-1 subtype AE, a subtype highly prevalent in Asia. The HIV-1 IN gene was amplified from plasma-derived HIV-1 viral RNA via reverse transcription polymerase chain reaction followed by population sequencing. Assay sensitivity was also evaluated using serially diluted plasma samples. The genotyping assay successfully amplified the IN gene from patient plasma samples with HIV-1 RNA as low as 500 copies/mL. This assay is suitable for IN genotyping to identify IN drug resistance mutations in HIV-1 patients harboring subtype AE virus.
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Liu et al. (2018) studied this question.
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