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J Rheumatol. 1988 Dec;15(12):1773-6.

Increased frequencies of Sm and nRNP autoantibodies in American blacks compared to whites with systemic lupus erythematosus.

Author information

1
Department of Internal Medicine, University of Texas Medical School, Houston 77225.

Abstract

Frequencies of autoantibodies to Sm, nRNP, Ro (SSA) and La (SSB) were determined by countercurrent immunoelectrophoresis (CIE) and/or enzyme linked immunosorbent assays (ELISA) in 106 whites and 60 blacks with systemic lupus erythematosus. Anti-Sm occurred significantly more frequently in blacks (25%) than whites (10%) (p = 0.02), as did anti-nRNP (40% versus 23%; p = 0.03). By CIE, anti-Sm and/or nRNP occurred in 47% of blacks and 24% of whites (p = 0.004), and by ELISA the Sm/nRNP complex was detected in 52% of blacks versus 26% of whites (p = 0.003). Antibodies to Ro and La occurred with equal frequencies between the races.

PMID:
3230562
[Indexed for MEDLINE]

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