Gm allotypes in blacks with systemic lupus erythematosus |
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| Authors: | J A Fedrick J P Pandey Z Chen H H Fudenberg S K Ainsworth R L Dobson |
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| Affiliation: | From the Departments of Basic and Clinical Immunology and Microbiology, Pathology, and Dermatology, Medical University of South Carolina, Charleston, Sc 29425, USA |
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| Abstract: | Serum samples were collected from 328 healthy American Blacks and from 61 American Blacks with systemic lupus erythematosus (SLE). Sera were typed for the Gm1,2,3,5,6,13,17, and 21 allotypes as well as for the Km(1) allotype. The frequency of Gm phenotype 1,17;5,6,13 was significantly increased in the SLE patients (p = 0.0001, RR = 3.19, EF = 0.29). Our data suggest the existence of at least two immunoglobulin allotype associated genes that somehow interact to increase susceptibility to SLE in Blacks. To our knowledge, this is the first report of an association of Gm and SLE in Blacks. |
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| Keywords: | SLE systemic lupus erythematosus EF etiologic fraction RR relative risk |
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