© 1994 British Society for Rheumatology
research-article |
THE HUMORAL IMMUNE RESPONSE TO CHLAMYDIA TRACHOMATIS IN PATIENTS WITH ACUTE REACTIVE ARTHRITIS



*Institute of Medical Microbiology, The Bartholin Building, University of Aarhus DK-8000 Aarhus C, Denmark
Howard Hughes Institute, The University of Utah Salt Lake City, Utah, USA
Statens Seruminstitut 5 Artillerivej, DK-2300 Copenhagen S
Holstebro County Hospital, Department of Rheumatology DK-7500 Holstebro
¶Department of Medicine TTA Rigshospitalet, DK-2200 Copenhagen N, Denmark
Correspondence to:
Correspondence to: S. Birkelund.
Sera from 25 patients with clinical signs of reactive arthritis were analysed for antibodies against Chlamydia trachomatis by immunoblotting. Purified elementary bodies, purified Chlamydia outer membrane complexes, and purified recombinant subcomponents were used as antigens. Antibodies against C. trachomatis cysteine rich outer membrane protein 2 (Omp2) and lipopolysaccharide (LPS) were detected in 10 patients. Thus 40% of the patients presented antibodies specific for C.trachomatis. There was no correlation between acute reactive arthritis and antibodies to heat-shock proteins GroEL, GroES and DnaK.
KEY WORDS: Chlamydia trachomatis, DnaK, GroEL, Omp2, Lipopolysaccharide, Humoral immune response
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