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1996-02-26
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Document 0719
DOCN M9620719
TI IgG autoantibody response in HTLV-I-infected patients.
DT 9602
AU Muller S; Boire G; Ossondo M; Ricchiuti V; Smadja D; Vernant JC; Ozden
S; Institut de Biologie Moleculaire et Cellulaire, UPR 9021 Centre;
National de la Recherche Scientifique, Strasbourg, France.
SO Clin Immunol Immunopathol. 1995 Dec;77(3):282-90. Unique Identifier :
AIDSLINE MED/96080356
AB Human T-cell leukemia virus type I (HTLV-I) is associated with a large
spectrum of clinical manifestation including adult T-cell leukemia (ATL)
and tropical spastic paraparesis or HTLV-I-associated myelopathy
(TSP/HAM). In most cases, however, infected patients remain
asymptomatic. The participation of the immune system in the pathogenesis
of TSP/HAM has been suggested. In this study the IgG antibody response
of HTLV-I-infected individuals has been investigated using both ELISA
with a panel of nuclear and cytoplasmic proteins and peptides known to
be recognized by antibodies from patients with various systemic
autoimmune diseases, and immunoprecipitation of ribonucleoproteins from
HeLa cell extracts. The results were compared with the reactivity of
sera from individuals with non-HTLV-I-related neurological diseases and
healthy blood donors. Raised levels of autoantibodies reacting with
several nuclear and cytoplasmic antigens were found in TSP/HAM and ATL
patients. In asymptomatic HTLV-I-seropositive individuals, both the
prevalence and level of IgG antibodies were lower and directed only
against a restricted set of antigens. The mechanism of induction of
these antibodies still remains obscure. However, the results show that a
significant autoimmune response exists in these patients and it may
contribute to the pathogenesis of the disease.
DE Adult Antibodies, Antinuclear/BLOOD/IMMUNOLOGY
Autoantibodies/*BLOOD/*IMMUNOLOGY Autoantigens/*IMMUNOLOGY
Enzyme-Linked Immunosorbent Assay Female Hela Cells Human HTLV-I
Infections/*IMMUNOLOGY IgG/*BLOOD/*IMMUNOLOGY Male
Peptides/IMMUNOLOGY Precipitin Tests Ribonucleoproteins/IMMUNOLOGY
RNA/IMMUNOLOGY Support, Non-U.S. Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).