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Association between the HLA-DRB1 gene and clinical features of systemic sclerosis in Korea

Authors
Joung, Chung-ilJun, JaebumChung, Won-taeSong, GwangyuChoe, Jeong-yoonChang, HyunkyuYoo, Daehyun
Issue Date
Feb-2006
Publisher
TAYLOR & FRANCIS LTD
Citation
SCANDINAVIAN JOURNAL OF RHEUMATOLOGY, v.35, no.1, pp.39 - 43
Indexed
SCIE
SCOPUS
Journal Title
SCANDINAVIAN JOURNAL OF RHEUMATOLOGY
Volume
35
Number
1
Start Page
39
End Page
43
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/181780
DOI
10.1080/03009740510026751
ISSN
0300-9742
Abstract
Objective: To determine whether HLA-DR alleles are associated with the development and clinical features of systemic sclerosis (SSc) in Koreans. Methods: Seventy-nine patients ( 74 women and five men; 45 diffuse types and 34 limited types; mean age at diagnosis 43.9 years) fulfilling the American College of Rheumatology (ACR) classification criteria for SSc were enrolled. The controls were 144 healthy, disease-free Koreans. HLA-DRB1 genotypes were assessed by the polymerase chain reaction-sequence specific oligonucleotide probe (PCR-SSOP) method. Results: The HLA-DRB1* 15 allele was increased in anti-topoisomerase I autoantibody (anti-topo I)- positive SSc patients [p=0.003, p corrected (p(corr)) =0.039, odds ratio (OR) =3.43, 95% confidence interval (CI) 1.45 - 8.13] compared with controls. The DRB1* 11 allele was also observed more frequently in anti-topo I-positive SSc than in controls (13.3% vs. 4.2%) but not statistically significant (p=0.053, p(corr)=0.689). In patients with SSc, the DRB1* 04 allele was associated with subcutaneous calcinosis (p=0.048, OR=4.56, 95% CI 1.07 - 19.37). Patients with overlap syndrome showed a negative association with the DRB1* 04 allele ( p=0.036, OR=0.26, 95% CI 0.08 - 0.91). Conclusion: The HLA- DRB1* 15 allele was associated with the development of anti-topo I-positive SSc in Koreans. In addition, the DRB1* 04 allele was associated with certain clinical features in SSc patients.
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