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M94A0162.TXT
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1994-10-01
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Document 0162
DOCN M94A0162
TI Normal immune function and inability to isolate virus in culture in an
individual with long-term human immunodeficiency virus type 1 infection.
DT 9412
AU Greenough TC; Somasundaran M; Brettler DB; Hesselton RM; Alimenti A;
Kirchhoff F; Panicali D; Sullivan JL; Department of Pediatrics,
University of Massachusetts Medical; School, Worcester 01605.
SO AIDS Res Hum Retroviruses. 1994 Apr;10(4):395-403. Unique Identifier :
AIDSLINE MED/94347464
AB A detailed, longitudinal study was undertaken to investigate the
immunological and virological features of an individual with hemophilia
infected with human immunodeficiency virus type-1 (HIV-1) for 10 years
without disease. Methods applied to serial samples of peripheral blood
included Western blot analysis, neutralizing antibody assays,
antibody-dependent cell-mediated cytotoxicity (ADCC) titration, HIV-1
specific cytotoxic T lymphocyte (CTL) assays, viral cultures, and PCR
with sequence analysis of viral regulatory genes. Strong antibody
responses against HIV-1 antigens as measured by Western blot and ADCC
assays have persisted throughout infection. Repeated attempts to isolate
HIV-1 using sensitive culture techniques and to demonstrate viremia with
standard PCR methods have failed. Using the booster PCR technique, a
period of viremia in peripheral blood mononuclear cells was
demonstrated. Concurrent with detection of circulating virus, titers of
neutralizing antibodies and circulating HIV-1-specific CTLs became
measurable. Sequencing studies of a portion of the viral genome showed
no significant abnormalities of the regulatory genes. In this
individual, the combination of low viral load in the peripheral blood
and a strong, responsive immune system is associated with long-term,
disease-free coexistence with HIV-1 infection.
DE Antibody-Dependent Cell Cytotoxicity Case Report DNA,
Viral/GENETICS/ISOLATION & PURIF Hemophilia/COMPLICATIONS Human HIV
Antibodies/BLOOD HIV Infections/COMPLICATIONS/*IMMUNOLOGY/MICROBIOLOGY
*HIV-1/GENETICS/ISOLATION & PURIF Male Middle Age Phenotype
Polymerase Chain Reaction Support, U.S. Gov't, P.H.S. T-Lymphocytes,
Cytotoxic/IMMUNOLOGY Time Factors Viremia/MICROBIOLOGY Virus
Cultivation Virus Replication JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).