Document Detail


C4 null genes in American whites and blacks with myositis.
MedLine Citation:
PMID:  2332854     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The frequencies of C4A and C4B alleles were determined in 66 adults with myositis in relation to HLA class I and II. In whites with myositis, the C4A*Q0 allele occurred in 13/31 (47%) as compared to 25/101 (25%) normal controls (p = 0.08, relative risk = 2.7). Only 11/35 (31%) of black patients with myositis had a C4A*Q0 allele compared to 11/55 (20%) of controls (p = NS, RR = 1.8). Thus, the MHC class III genes do not appear to be the primary genetic risk factors for myositis in adults.
Authors:
J M Moulds; C Rolih; R Goldstein; K F Whittington; N B Warner; I N Targoff; M Reichlin; F C Arnett
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The Journal of rheumatology     Volume:  17     ISSN:  0315-162X     ISO Abbreviation:  J. Rheumatol.     Publication Date:  1990 Mar 
Date Detail:
Created Date:  1990-06-05     Completed Date:  1990-06-05     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7501984     Medline TA:  J Rheumatol     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  331-4     Citation Subset:  IM    
Affiliation:
Department of Internal Medicine, University of Texas Medical School, Houston 77225.
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MeSH Terms
Descriptor/Qualifier:
African Continental Ancestry Group / genetics*
Alleles*
Chromosome Deletion
Complement C4 / genetics*
Dermatomyositis / ethnology,  genetics,  immunology
European Continental Ancestry Group / genetics*
Genes*
HLA Antigens / analysis,  genetics
Humans
Myositis / ethnology,  genetics*,  immunology
Phenotype
United States
Grant Support
ID/Acronym/Agency:
2R01AR32214-04A2/AR/NIAMS NIH HHS
Chemical
Reg. No./Substance:
0/Complement C4; 0/HLA Antigens

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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