Open AccessPredominance of T cells in the lymphocytic infiltrates of synovial tissues in rheumatoid arthritis
Author(s) -
Arthur D Bankhurst,
Gunnar Husby,
Ralph C Williams
Publication year - 2008
Publication title -
arthritis & rheumatism
Language(s) - English
Resource type - Journals
eISSN - 1529-0131
pISSN - 0004-3591
DOI - 10.1002/art.23359
Subject(s) - rheumatoid arthritis , medicine , citation , arthritis , rheumatism , dermatology , pathology , immunology , world wide web , computer science
Synovial tissues from 5 patients with rheumatoid arthritis (RA) were examined immunofluorescence microscopy for the presence of lymphocytes with either bone marrow-derived (B) or thymus-derived (T) surface markers. Five synovial tissues with severe to mild lymphocytic infiltrations by bright field microscopy were examined in parallel with immunofluorescence. B cells were identified with a pepsin-digested fluoresceinated anti-F (ab')2 antiserum and T cells were detected with a specific rabbit and anti-T lymphocyte antiserum. By these techniques 75-90% of the lymphocytes in these frozen sections were identified as T cells. Cell suspensions were also prepared by collagenase digestion of two of the five synovial tissues. The lymphocytes in these cell suspensions were predominantly T lymphocytes (78-85%) as shown by their ability to form spontaneous rosettes with sheep erythrocytes (E rosettes).