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1996-03-09
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Document 0123
DOCN M9650123
TI Relationship between infectious cell-associated human immunodeficiency
virus type 1 load, T lymphocyte subsets, and stage of infection in
homosexual men.
DT 9605
AU Margolick JB; Farzadegan H; Hoover DR; Saah AJ; Department of Molecular
Microbiology and Immunology, Johns; Hopkins University School of Hygiene
and Public Health, Baltimore; 21205, USA.
SO J Infect Dis. 1996 Feb;173(2):468-71. Unique Identifier : AIDSLINE
MED/96162111
AB The relationship between cell-associated infectious human
immunodeficiency virus type 1 (HIV) load (infectious units/10(6)
peripheral blood mononuclear cells [IUPM]) and phenotypes of CD4+ and
CD8+ lymphocytes was studied. IUPM were measured in 242 HIV-infected
homosexual men by quantitative microculture and T cell subsets by
two-color flow cytometry. In multivariate analysis, IUPM correlated
negatively with CD4+ lymphocyte level and with a diagnosis of AIDS and
positively with the proportion of CD8+ lymphocytes expressing the
activation marker CD38. After adjusting for level of CD4+ lymphocytes,
men with AIDS had significantly lower IUPM than those without AIDS. The
correlation between IUPM and CD4+ lymphocyte level was largely explained
by correlation with level of CD4+ lymphocytes with resting phenotypes
(HLA-DR-, CD38-) rather than with those expressing HLA-DR and CD38.
Thus, subsets of CD4+ lymphocytes may vary in cell-associated infectious
HIV content at different stages of HIV infection.
DE Acquired Immunodeficiency Syndrome/*IMMUNOLOGY/PHYSIOPATHOLOGY/
VIROLOGY Antigens, CD/IMMUNOLOGY Cross-Sectional Studies CD4
Lymphocyte Count CD4-Positive T-Lymphocytes/IMMUNOLOGY CD8-Positive
T-Lymphocytes/IMMUNOLOGY Flow Cytometry *Homosexuality, Male Human
HIV-1/*PHYSIOLOGY HLA-DR Antigens/IMMUNOLOGY Immunophenotyping
Leukocytes, Mononuclear/VIROLOGY Male Support, U.S. Gov't, P.H.S.
T-Lymphocyte Subsets/*IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).