Participation of antigens related to the psoriasis associated antigen, pso p27, in immune complex formation in patients with ankylosing spondylitis.
Open Access
- 1 August 1988
- journal article
- research article
- Published by BMJ in Annals Of The Rheumatic Diseases
- Vol. 47 (8), 628-633
- https://doi.org/10.1136/ard.47.8.628
Abstract
Analysis of five serum samples and three synovial fluids from patients with ankylosing spondylitis (AS) and five serum samples from healthy blood donors for the presence of antibodies cross reacting with the Fc part of rabbit IgG (rheumatoid factors (RFs] using an isotype specific, enzyme linked immunosorbent assay (ELISA) showed only insignificant amounts of free RFs, while IgG RFs were observed in alkaline dissociated circulating immune complexes (CICs). Only insignificant amounts of free antibodies reacting with the psoriasis associated antigen pso p27 could be detected in the samples, while extensive amounts of IgG antibodies and moderate amounts of IgM antibodies reacting with pso p27 were detected in alkaline dissociated CICs from the patients. Pso p27 has been reported to share a common determinant with the Fc part of human IgG. Removal of the RF activity from the CICs of patients with AS by absorption with IgG resulted in a decrease of the anti-pso p27 activity. Monoclonal anti-pso p27 antibodies in a sandwich ELISA were used to detect antigens cross reacting with pso p27. A positive reaction was observed in all serum CICs and in one of the synovial fluid CICs. The data indicate that antigens related to pso p27 participate in CIC formation in AS and may also be responsible for the elicitation of rheumatoid factors in patients with AS.This publication has 22 references indexed in Scilit:
- RHEUMATOID FACTORS IN PSORIATIC SCALE, SERUM AND CIRCULATING IMMUNE COMPLEXES DETECTED BY AN ISOTYPE‐SPECIFIC ELISAActa Pathologica Microbiologica Scandinavica Series C: Immunology, 1987
- Analysis of circulating immune complexes from patients with ankylosing spondylitis by gel electrophoresis and immunoblotting using antiserum against a psoriasis associated retrovirus-like particle.Annals Of The Rheumatic Diseases, 1986
- Antigens related to the major internal protein, p27, of a psoriasis associated retrovirus-like particle are expressed in patients with chronic arthritis.Annals Of The Rheumatic Diseases, 1985
- The major internal protein, p27, of a retrovirus-like particle participates in immune complex formation in psoriasisArchiv für die gesamte Virusforschung, 1985
- Preparative Isolation of Immune Complexes from Serum by Sucrose Gradient UltracentrifugationScandinavian Journal of Immunology, 1984
- URINE PROTEINS CROSS‐REACTING WITH ANTISERUM AGAINST VIRUS‐LIKE PARTICLES FROM CULTURED PSORIATIC EPITHELIAL CELLSActa Pathologica Microbiologica Scandinavica Series B: Microbiology, 1983
- ISOLATION OF VIRUS‐LIKE PARTICLES IN URINE FROM A PSORIATIC PATIENTActa Pathologica Microbiologica Scandinavica Series B: Microbiology, 1983
- A spontaneous rheumatoid arthritis-like disease in MRL/l mice.The Journal of Experimental Medicine, 1982
- The HLA system and the arthropathies associated with psoriasis.Annals Of The Rheumatic Diseases, 1977
- The pathogenesis of arthritis associated with acute hepatitis-B surface antigen-positive hepatitis. Complement activation and characterization of circulating immune complexes.JCI Insight, 1975