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Journal of Virology, August 1999, p. 6715-6720, Vol. 73, No. 8
Partners AIDS Research Center and Infectious
Disease Unit, Massachusetts General Hospital, and Harvard Medical
School, Boston, Massachusetts 02114,1 and
AIDS Office, Department of Public Health, San Francisco,
California 941402
Received 29 December 1998/Accepted 3 May 1999
Cellular immune responses are thought to be an important antiviral
host defense, but the relationship between virus-specific T-helper and
cytotoxic-T-lymphocyte (CTL) responses has not been defined. To
investigate a potential link between these responses, we examined
functional human immunodeficiency virus type 1 (HIV-1)-specific memory
CTL precursor frequencies and p24-specific proliferative responses in a
cohort of infected untreated persons with a wide range of viral loads
and CD4 cell counts. Levels of p24-specific proliferative responses
positively correlated with levels of Gag-specific CTL precursors and
negatively correlated with levels of plasma HIV-1 RNA. These data
linking the levels of HIV-specific CTL with virus-specific helper cell
function during chronic viral infection provide cellular immunologic
parameters to guide therapeutic and prophylactic vaccine development.
0022-538X/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Association between Virus-Specific Cytotoxic
T-Lymphocyte and Helper Responses in Human Immunodeficiency Virus
Type 1 Infection
*
Corresponding author. Mailing address: Massachusetts
General Hospital, AIDS Research Center, 149 13th St., Rm. 5217, Charlestown, MA 02129. Phone: (617) 724-4958. Fax: (617) 726-4691. E-mail: kalams{at}helix.mgh.harvard.edu.
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