Circular viral DNA and anomalous junction sequence in PBMC of HIV-infected individuals with no detectable plasma HIV RNA.


Conference Paper

Closed circular (cc) forms of extrachromosomal HIV DNA are detected in patients with high viral loads; however, it is unclear whether these forms remain if virus replication is suppressed to undetectable levels by combination antiretroviral therapy. A nested primer polymerase chain reaction amplification assay was used to detect the presence of ccDNA containing two long terminal repeat sequences (2-LTR) in PBMC of patients with low or undetectable plasma HIV RNA. Fifty percent of patients with plasma RNA levels <50 copies/ml of blood had detectable 2-LTR DNA. Sequencing of the products identified normal LTR--LTR junctions in the minority of cases with the majority containing anomalies including deletions and insertions. The persistence of HIV ccDNA in patients with no detectable plasma RNA could be consistent with ongoing de novo infection of dividing cells or with stability of this form of DNA in nondividing cells.

Full Text

Duke Authors

Cited Authors

  • Cara, A; Vargas, J; Keller, M; Jones, S; Mosoian, A; Gurtman, A; Cohen, A; Parkas, V; Wallach, F; Chusid, E; Gelman, IH; Klotman, ME

Published Date

  • January 5, 2002

Published In

Volume / Issue

  • 292 / 1

Start / End Page

  • 1 - 5

PubMed ID

  • 11878902

Pubmed Central ID

  • 11878902

International Standard Serial Number (ISSN)

  • 0042-6822

Digital Object Identifier (DOI)

  • 10.1006/viro.2001.1243

Conference Location

  • United States