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Adaptation of the intact proviral DNA assay to a nanowell-based digital PCR platform.

Tumpach C, Cochrane CR, Kim Y, Ong J, Rhodes A, Angelovich TA, Churchill MJ, Lewin SR, Telwatte S, Roche M

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  • Journal Journal of virus eradication

  • Published 28 Jun 2023

  • Volume 9

  • ISSUE 2

  • Pagination 100335

  • DOI 10.1016/j.jve.2023.100335

Abstract

T cells from people with HIV on antiretroviral therapy, there was a strong correlation in the quantification of intact (rs = 0.93; p < 0.001) and 3' defective proviruses (rs = 0.96; p < 0.001) with a significant but less strong correlation for 5' defective proviruses (rs = 0.7; p = 0.04). We demonstrate that the dPCR platform enables sensitive and accurate quantification of genetically intact and defective proviruses similar to the ddPCR system but with greater speed and efficiency. This flexible system can be further optimized in the future, to detect up to 5 targets, enabling a more precise detection of intact and potentially replication-competent proviruses.