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M9620505.TXT
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1996-02-26
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Document 0505
DOCN M9620505
TI Constitutive expression of major histocompatibility complex class II
antigens on monocytes and B cells correlates with disease in simian
immunodeficiency virus-infected rhesus macaques.
DT 9602
AU Ashworth LA; Hall GA; Sharpe SA; Dennis MJ; Thornton C; Cook RW; Smith
H; Cranage MP; Centre for Applied Microbiology and Research, Salisbury,
United; Kingdom.
SO J Infect Dis. 1995 Nov;172(5):1261-7. Unique Identifier : AIDSLINE
MED/96036382
AB Constitutive host factors that influence progression to AIDS are
understood poorly. In the macaque model for AIDS, 35 animals infected
with simian immunodeficiency virus (SIV) were analyzed for major
histocompatibility complex class II antigen expression on blood
monocytes and B cells by immunostaining and flow cytometry. Expression
varied widely between animals but was constant with time. Level of
expression and the proportion of monocytes and B cells that expressed
class II were not affected by SIV infection. Significantly more animals
developed AIDS in the group with low class II expression than in the
group with high expression (P < .001). Progression to disease was faster
in animals that expressed poorly (P < .01), and opportunistic pathogens
were more common (P < .05). Thus, the constitutive level of class II
antigen expression may be a useful prognostic indicator for human
immunodeficiency virus disease in humans and may be an important factor
in the design of vaccine trials.
DE Animal AIDS Vaccines B-Lymphocytes/*IMMUNOLOGY Comparative Study
Disease Progression Drug Design Female Flow Cytometry
Histocompatibility Antigens Class II/*BIOSYNTHESIS/BLOOD Human HIV
Infections/IMMUNOLOGY Macaca mulatta Male Monocytes/*IMMUNOLOGY
Opportunistic Infections/ETIOLOGY/IMMUNOLOGY Simian Acquired
Immunodeficiency Syndrome/COMPLICATIONS/ *IMMUNOLOGY/PHYSIOPATHOLOGY
Support, Non-U.S. Gov't *SIV JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).