Increased frequencies of Sm and nRNP autoantibodies in American blacks compared to whites with systemic lupus erythematosus.
- Published Article
The Journal of rheumatology
- Publication Date
Dec 01, 1988
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.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/3230562