Staphylococcal enterotoxin B increases the severity of type II collagen induced arthritis in mice.

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Staphylococcal enterotoxin B increases the severity of type II collagen induced arthritis in mice.

OBJECTIVE To observe the influence of T cell subset changes on the development of experimental arthritis, by using the bacterial superantigen staphylococcal enterotoxin B (SEB) to modulate the T cell repertoire during the arthritogenic response to type II collagen (CII) in vivo. METHODS DBA/1 mice were injected with SEB before immunisation with CII, and assessed for the development of collage...

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Type Ii Collagen - Induced Arthritis in Mice

The induction of immunological reactivity to type II collagen, a major component of cartilage, has recently been used to establish an experimental model of arthritis in the rat (1). Trentham and colleagues (1) have shown that the intradermal injection of collagen in Freund's complete or incomplete adjuvant elicits an arthritogenic reaction, specifically with native type II collagen. Arthritis o...

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Bacterial lipopolysaccharide potentiates type II collagen-induced arthritis in mice

Collagen-induced arthritis (CIA) is an immunologically relevant animal model of human rheumatoid arthritis. Studies comparing the disease incidence in genetically susceptible male and female DBA/1LacJ mice demonstrated that under low density/low stress housing conditions, female mice had earlier onset (day 35) and higher disease incidence (25%) than the male mice (17% at day 49) when immunized ...

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Intranasal Rapamycin Rescues Mice from Staphylococcal Enterotoxin B-Induced Shock

Staphylococcal enterotoxin B (SEB) and related exotoxins produced by Staphylococcus aureus are potent activators of the immune system and cause toxic shock in humans. Currently there is no effective treatment except for the use of intravenous immunoglobulins administered shortly after SEB exposure. Intranasal SEB induces long-lasting lung injury which requires prolonged drug treatment. We inves...

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Purification of Type B Staphylococcal Enterotoxin.

Frea, James I. (University of Wisconsin, Madison), Elizabeth McCoy, and F. M. Strong. Purification of type B staphylococcal enterotoxin. J. Bacteriol. 86:1308-1313. 1963.-A procedure for the production and isolation of type B staphylococcal enterotoxin in yields up to 4 mg per liter of toxic culture is presented. Staphylococcus aureus S6 was grown in shake flask cultures at 37 C for 24 hr in a ...

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ژورنال

عنوان ژورنال: Annals of the Rheumatic Diseases

سال: 1995

ISSN: 0003-4967

DOI: 10.1136/ard.54.4.298