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M9620829.TXT
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1996-02-26
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Document 0829
DOCN M9620829
TI Anti-human immunodeficiency virus type 1 antibodies of noninfected
subjects are not related to autoantibodies occurring in systemic
diseases.
DT 9602
AU Kammerer R; Burgisser P; Frei PC; Division of Immunology and Allergy,
Centre Hospitalier; Universitaire Vaudois, Lausanne, Switzerland.
SO Clin Diagn Lab Immunol. 1995 Jul;2(4):458-61. Unique Identifier :
AIDSLINE MED/96082424
AB Indeterminate Western blot (WB) (immunoblot) patterns for anti-human
immunodeficiency virus type 1 (HIV-1) antibodies are often observed when
testing serum samples from noninfected individuals. We investigated here
the possible involvement of some frequently occurring autoantibodies
(anti-SmB/B', U1snRNP [68 kDa, A, and C], Ro/SS-A [60 and 52 kDa], and
Jo-1) in the generation of such indeterminate HIV-1 WB. In particular,
the role of a reported sequence homology between p24 gag and the SmB/B'
autoantigen was investigated. Serum samples were obtained from 50
healthy controls, 51 patients with systemic lupus erythematosus (SLE),
46 with systemic sclerosis, 6 with Sjogren's disease, 3 with mixed
connective tissue disease, and 41 healthy subjects with persistent
indeterminate HIV-1 WB. Reactivity to HIV-1 p24 gag was slightly but not
significantly more frequent in patients with SLE than in controls (25.5%
versus 14.0%; P > 0.1), whereas reactivity to HIV-1 p17 gag was
significantly more frequent in the former subjects (23.5% versus 8.0%; P
= 0.03). Simultaneous reactivity to p17 and p24 was observed in patients
with SLE (11.8%; P = 0.014) or systemic sclerosis (8.7%; P = 0.049) but
not in controls. There was no association found between the presence of
any autoantibody and the occurrence of indeterminate HIV-1 WB nor
between the presence of p24-reactive antibodies and anti-SmB/B'; this
indicates that most p24-reactive antibodies are directed to epitopes
other than the proline-rich sequences shared by p24 gag and SmB/B'.
DE Aged Autoantibodies/*BLOOD Autoantigens/IMMUNOLOGY Autoimmune
Diseases/*IMMUNOLOGY Blotting, Western Cross Reactions Human HIV
Antibodies/BLOOD/*IMMUNOLOGY HIV Core Protein p24/IMMUNOLOGY HIV
Seropositivity/*DIAGNOSIS HIV-1/*IMMUNOLOGY Male Predictive Value of
Tests Ribonucleoproteins, Small Nuclear/IMMUNOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).