Immunologic characterization of the mononuclear cell infiltrates in rheumatoid synovia, in rheumatoid nodules, and in lip biopsies from patients with sjö;ugren's syndrome
Open Access
- 1 July 1975
- journal article
- research article
- Published by Wiley in Arthritis & Rheumatism
- Vol. 18 (4), 305-314
- https://doi.org/10.1002/art.1780180403
Abstract
Two subcutaneous rheumatoid nodules and 8 rheumatoid synovia from patients with rheumatoid arthritis (RA); and 2 parotid glands, 1 “pseudolymphoma,” and 6 lip biopsies from patients with Sjögren' syndrome (SS) were studied to identify mononuclear cells. The palisading mononuclear cells in subcutaneous nodules had a surface membrane receptor for complement. B lymphocytes surrounded by larger numbers of non-B lymphocytes were found in RA synovium and between salivary ducts of SS lip biopsies. A “pseudolymphoma” obtained from a patient with SS consisted primarily of B lymphocytes. The predominant mononuclear cells in rheumatoid synovia and salivary glands in patients with RA and SS do not have surface membrane receptors for complement and are thus probably T lymphocytes or null cells.Keywords
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