Evidence for relationships between antiperinuclear and IgG rheumatoid factor |
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| Authors: | P. Youinou P. Le Goff R. Casburn-Budd C. Ferec Y. Pennec |
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| Affiliation: | (1) Department of Immunology, Universitary Hospital Medical School, F-29279 Brest-Cedex, France;(2) Department of Rheumatology, Universitary Hospital Medical School, F-29279 Brest-Cedex, France |
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| Abstract: | Summary Antiperinuclear factor (APF) and IgG-rheumatoid factor (IgG-RF) has been found in 64% and 48% of cases of rheumatoid arthritis, 36% and 50% of cases of psoriasis and 31% and 45% of cases of primary Sjögren's syndrome. A close relationship between APF and IgG-RF is suggested by statistical and experimental data. Purified IgG-RF has some degree of APF activity. |
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| Keywords: | Rheumatoid arthritis Rheumatoid factor Antiperinuclear factor |
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