Evidence for impaired T cell DNA methylation in systemic lupus erythematosus and rheumatoid arthritis - PubMed (original) (raw)

Comparative Study

. 1990 Nov;33(11):1665-73.

doi: 10.1002/art.1780331109.

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Comparative Study

Evidence for impaired T cell DNA methylation in systemic lupus erythematosus and rheumatoid arthritis

B Richardson et al. Arthritis Rheum. 1990 Nov.

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Abstract

Procainamide and hydralazine inhibit T cell DNA methylation and induce autoreactivity in cloned CD4+ T cells. These drugs also induce an autoimmune syndrome, suggesting a possible relationship between DNA hypomethylation, T cell autoreactivity, and certain autoimmune diseases. To test this relationship, DNA methylation was studied in T cells from patients with rheumatoid arthritis and patients with systemic lupus erythematosus, and was found to be impaired. These results support a relationship between DNA hypomethylation and some forms of autoimmune disease.

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