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M9650222.TXT
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1996-03-09
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Document 0222
DOCN M9650222
TI Generalized immune activation in pulmonary tuberculosis: co-activation
with HIV infection.
DT 9605
AU Vanham G; Edmonds K; Qing L; Hom D; Toossi Z; Jones B; Daley CL; Huebner
B; Kestens L; Gigase P; Ellner JJ; Department of Infection and Immunity,
Institute of Tropical; Medicine, Antwerpen, Belgium.
SO Clin Exp Immunol. 1996 Jan;103(1):30-4. Unique Identifier : AIDSLINE
MED/96150278
AB Parameters of immune activation/differentiation were studied in a group
of newly diagnosed HIV- and HIV+ pulmonary tuberculosis (TB) patients.
Compared with controls, HLA-DR expression on both CD4 and CD8 T cells
from the HIV- TB patients was approximately doubled; HLA-DR on T cells
from the HIV+ group was tripled. The monocytes from both groups of
patients expressed abnormally high levels of the Fc gamma receptors I
and III. Serum levels of tumour necrosis factor-alpha (TNF-alpha),
neopterin and beta 2-microglobulin were increased in HIV- and even more
so in HIV+ TB patients. The expression of HLA-DR on T cell subsets and
of Fc gamma R on monocytes correlated with each other, but not with
serum activation markers. This pattern of non-specific activation during
TB infection may be associated with enhanced susceptibility to HIV
infection.
DE Adult Aged Antigens, Differentiation, T-Lymphocyte/*BIOSYNTHESIS
Biological Markers/ANALYSIS Female Human HIV
Infections/COMPLICATIONS/*IMMUNOLOGY HIV Seronegativity HLA-DR
Antigens/BIOSYNTHESIS Male Middle Age Monocytes/METABOLISM
Receptors, Fc/BIOSYNTHESIS Support, Non-U.S. Gov't Support, U.S.
Gov't, Non-P.H.S. Support, U.S. Gov't, P.H.S. T-Lymphocytes/METABOLISM
Tuberculosis, Pulmonary/COMPLICATIONS/*IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).