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M9490383.TXT
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1994-09-19
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Document 0383
DOCN M9490383
TI The model of arthritis induced by superantigen in mice.
DT 9411
AU Nagai H; Takaoka Y; Kamada H; Mori H; Department of Pharmacology, Gifu
Pharamaceutical University,; Japan.
SO Life Sci. 1994;55(12):PL233-7. Unique Identifier : AIDSLINE MED/94335520
AB Subcutaneous injection of Staphylococcal enterotoxin B (SEB) produced by
Staphylococcus aureus, caused severe arthritis in DBA/1J mice which had
been previously immunized with bovine type II collagen. The severity of
this arthritis was dose dependent and prolonged joint inflammation with
erosion of bone was observed. Anti- type II collage antibodies were
detected in the serum of arthritic mice. Effector T cells against type
II collagen were also detected by means of delayed type hypersensitivity
in the skin. Moreover, a significant decrease in the ratio between T
cells and B cells and an increase in the ratio between CD4+ cells and
CD8+ cells was observed in spleen cells from arthritic mice.
Prednisolone suppresses the induction and development of clinical signs
of arthritis in mice. This evidence suggests that this experimental
arthritis model may provide a means to examine the role of superantigens
and the efficacy of pharmacological agents for the treatment of
rheumatoid arthritis.
DE Animal Antibodies/BLOOD Arthritis/DRUG
THERAPY/*ETIOLOGY/IMMUNOLOGY/PATHOLOGY B-Lymphocytes/IMMUNOLOGY
Collagen/IMMUNOLOGY CD4-CD8 Ratio *Disease Models, Animal
Dose-Response Relationship, Drug *Enterotoxins Hypersensitivity,
Delayed Immunity, Cellular Male Mice *Mice, Inbred DBA
Prednisolone/THERAPEUTIC USE Spleen/CYTOLOGY/IMMUNOLOGY Staphylococcus
aureus/*IMMUNOLOGY *Superantigens T-Lymphocytes/IMMUNOLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).