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|Title:||A genome-wide screen for susceptibility loci in ankylosing spondylitis|
|Author:||Brown, Matthew A.|
Pile, Kevin D.
Kennedy, L. Gail
Andrew, Lee K.
Shatford, Jane L.
Weeks, Daniel E.
Wordsworth, B. Paul
|Citation:||Arthritis and Rheumatism, 1998; 41(4):588-595|
|Matthew A. Brown, Kevin D. Pile, L. Gail Kennedy, Duncan Campbell, Lee Andrew, Ruth March, Jane L. Shatford, Daniel E. Weeks, Andrei Calin and B. Paul Wordsworth|
|Abstract:||Objective To localize the regions containing genes that determine susceptibility to ankylosing spondylitis (AS). Methods One hundred five white British families with 121 affected sibling pairs with AS were recruited, largely from the Royal National Hospital for Rheumatic Diseases AS database. A genome-wide linkage screen was undertaken using 254 highly polymorphic microsatellite markers from the Medical Research Council (UK) (MRC) set. The major histocompatibility complex (MHC) region was studied more intensively using 5 microsatellites lying within the HLA class III region and HLA-DRB1 typing. The Analyze package was used for 2-point analysis, and GeneHunter for multipoint analysis. Results When only the MRC set was considered, 11 markers in 7 regions achieved a P value of ≤0.01. The maximum logarithm of odds score obtained was 3.8 (P = 1.4 × 10-5) using marker D6S273, which lies in the HLA class III region. A further marker used in mapping of the MHC class III region achieved a LOD score of 8.1 (P = 1 × 10-9). Nine of 118 affected sibling pairs (7.6%) did not share parental haplotypes identical by descent across the MHC, suggesting that only 31% of the susceptibility to AS is coded by genes linked to the MHC. The maximum non-MHC LOD score obtained was 2.6 (P = 0.0003) for marker D16S422. Conclusion The results of this study confirm the strong linkage of the MHC with AS, and provide suggestive evidence regarding the presence and location of non-MHC genes influencing susceptibility to the disease.|
|Description:||Article first published online: 28 MAY 2004|
|Rights:||Copyright © 1998 by the American College of Rheumatology|
|Appears in Collections:||Medicine publications|
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