Cd4+ cd28- T lymphocytes in rheumatoid arthritis (ra)

P. Martens, D. Schmidt, Daniel J Schaid, C. Weyand, J. Goronzy

Research output: Contribution to journalArticle

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Abstract

Patients with RA frequently carry clonally expanded CD4 T lymphocytes which carry the CD28- cell surface phenotype. CD4+ CD28- cells are an infrequent finding in normal individuals. To determine whether the CD4+ CD28- T cell compartment is expanded in RA patients and whether the expansion correlates with the clinical presentation of RA, we evaluated 106 RA patients and 36 age-matched controls by FACS analysis. The percent of CD4+ CD28- T cells was significantly higher in RA patients versus controls (2.5 vs 1.1%, p=0.04). In the RA as well as the normal population, the size distribution of the CD4+ CD28- compartment was bimodal. Thirty percent of all RA patients versus 54% of all normal controls had no, or a very low, number of CD4+ CD28- T cells. In 70% of the RA population, the compartment of CD4+ CD28- cells was expanded, in some patients as high as 45%. The major clinical variable which correlated with an expanded CD4+ CD28- T cell subset was the presence of extra-articular disease. Patients with rheumatoid vasculitis had a median of 17.6% CD4+ CD28- T cells compared to 1.5% for RA patients without extra-articular manifestations (p=0.005). Patients with nodular disease had a median of 6.9% (p=0.008). Large expansions of the CD4+ CD28- compartment were generally not seen in individuals younger than 45 years. In contrast, disease duration and HLA-DR polymorphism were not independent risk factors. Our data suggest that CD4+ CD28- T cells are important in the extra-articular manifestations of RA and are consistent with the model that the expansion of the CD4+ CD28- compartment is a risk factor for, rather than a consequence of, severe disease.

Original languageEnglish (US)
JournalJournal of Investigative Medicine
Volume44
Issue number3
StatePublished - 1996

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T-cells
Rheumatoid Arthritis
T-Lymphocytes
Joints
Rheumatoid Vasculitis
HLA-DR Antigens
Polymorphism
T-Lymphocyte Subsets
Population Density
Demography
Phenotype

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

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Martens, P., Schmidt, D., Schaid, D. J., Weyand, C., & Goronzy, J. (1996). Cd4+ cd28- T lymphocytes in rheumatoid arthritis (ra). Journal of Investigative Medicine, 44(3).

Cd4+ cd28- T lymphocytes in rheumatoid arthritis (ra). / Martens, P.; Schmidt, D.; Schaid, Daniel J; Weyand, C.; Goronzy, J.

In: Journal of Investigative Medicine, Vol. 44, No. 3, 1996.

Research output: Contribution to journalArticle

Martens, P, Schmidt, D, Schaid, DJ, Weyand, C & Goronzy, J 1996, 'Cd4+ cd28- T lymphocytes in rheumatoid arthritis (ra)', Journal of Investigative Medicine, vol. 44, no. 3.
Martens, P. ; Schmidt, D. ; Schaid, Daniel J ; Weyand, C. ; Goronzy, J. / Cd4+ cd28- T lymphocytes in rheumatoid arthritis (ra). In: Journal of Investigative Medicine. 1996 ; Vol. 44, No. 3.
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