Identification of a Reservoir for HIV-1 in Patients on Highly Active Antiretroviral Therapy

Author:

Finzi Diana12345,Hermankova Monika12345,Pierson Theodore12345,Carruth Lucy M.12345,Buck Christopher12345,Chaisson Richard E.12345,Quinn Thomas C.12345,Chadwick Karen12345,Margolick Joseph12345,Brookmeyer Ronald12345,Gallant Joel12345,Markowitz Martin12345,Ho David D.12345,Richman Douglas D.12345,Siliciano Robert F.12345

Affiliation:

1. D. Finzi, M. Hermankova, T. Pierson, L. M. Carruth, C. Buck, R. E. Chaisson, T. C. Quinn, J. Gallant, R. F. Siliciano, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.

2. K. Chadwick and J. Margolick, Department of Molecular Microbiology and Immunology, Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205, USA.

3. R. Brookmeyer, Department of Biostatistics, Johns Hopkins University School of Hygiene and Public Health, Baltimore, MD 21205, USA.

4. M. Markowitz and D. D. Ho, Aaron Diamond AIDS Research Center, 455 First Avenue, New York, NY 10016, USA.

5. D. D. Richman, Departments of Medicine and Pathology, University of California San Diego, La Jolla CA 92093, USA.

Abstract

The hypothesis that quiescent CD4 + T lymphocytes carrying proviral DNA provide a reservoir for human immunodeficiency virus–type 1 (HIV-1) in patients on highly active antiretroviral therapy (HAART) was examined. In a study of 22 patients successfully treated with HAART for up to 30 months, replication-competent virus was routinely recovered from resting CD4 + T lymphocytes. The frequency of resting CD4 + T cells harboring latent HIV-1 was low, 0.2 to 16.4 per 10 6 cells, and, in cross-sectional analysis, did not decrease with increasing time on therapy. The recovered viruses generally did not show mutations associated with resistance to the relevant antiretroviral drugs. This reservoir of nonevolving latent virus in resting CD4 + T cells should be considered in deciding whether to terminate treatment in patients who respond to HAART.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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