Antibodies to intermediate filaments in polymyalgia rheumatica and giant cell arteritis: a sequential study.
نویسندگان
چکیده
Serum specimens from 35 patients with polymyalgia rheumatica and giant cell arteritis (PMR/GCA) were obtained sequentially at variable time intervals up to a year from onset of disease. These were tested for antibodies to intermediate filaments by indirect immunofluorescence using HEp2 cells as substrate. Twenty four of 35 (68%) patients' sera at onset of disease were positive at an anti-intermediate filament antibody (AIFA) titre of greater than 1/40 compared with three outs of 19 (15%) control sera. AIFA were predominantly of IgM class, and there was no significant change in AIFA titres on follow up despite clinical remission of disease.
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عنوان ژورنال:
- Annals of the rheumatic diseases
دوره 46 10 شماره
صفحات -
تاریخ انتشار 1987