Meta-analysis of the association between functional MICA-TM polymorphisms and systemic lupus erythematosus, rheumatoid arthritis and ankylosing spondylitis

Title
Meta-analysis of the association between functional MICA-TM polymorphisms and systemic lupus erythematosus, rheumatoid arthritis and ankylosing spondylitis
Authors
배상철
Keywords
HLA-B27 antigen; Major histocompatibility complex; Autoimmune disease; Ethnic groups; Genetic association studies
Issue Date
2015-03
Publisher
SPRINGER HEIDELBERG
Citation
ZEITSCHRIFT FUR RHEUMATOLOGIE, v. 74, NO 2, Page. 146-152
Abstract
Objective The aim of this study was to determine whether the major histocompatibility complex class I chain-related gene A transmembrane (MICA-TM) polymorphism is associated with susceptibility to systemic lupus erythematous (SLE), rheumatoid arthritis (RA) and ankylosing spondylitis (AS). Methods A meta-analysis was conducted to establish the association between MICA-TM polymorphisms and SLE, RA and AS in the overall study population, as well as in each ethnic group. Results A total of 13 comparison studies, including five SLE (1601 patients; 1846 controls), four RA (701 patients; 887 controls) and four AS (346 patients; 356 controls) studies were considered in the meta-analysis. An association between the MICA-TM A5.1 allele and SLE was demonstrated in Europeans but not in Asians: odds ratio (OR) = 1.699, 95 % confidence interval (CI) = 1.123–2.569, p = 0.012 and OR = 0.949, 95 % CI = 0.502–1.793, p = 0.871, respectively. However, no association was found in Europeans after Bonferroni correction (pcorrected = 0.060). An association was found between the MICA-TM A9 allele and RA in Asians (OR = 0.527, 95 % CI = 0.408–0.681, p = 8.9 × 10−7) but not in Europeans; the association in Asians remained significant after Bonferroni correction (pcorrected = 4.5 × 10−6). An association between the MICA-TM A4 phenotype and AS was observed in European and Asian populations (OR = 12.87, 95 % CI = 6.747–24.58, p < 1.0 × 10−9 and OR = 9.461, 95 % CI = 5.754–15.55, p < 1.0 × 10−9, respectively). Meta-analysis stratified by human leukocyte antigen (HLA)-B27 status revealed an association between the MICA-TM A4 phenotype and HLA-B27 positivity AS in Asians, but not in Europeans (OR = 0.318, 95 % CI = 0.102–0.995, p = 0.049 and OR = 2.080, 95 % CI = 0.422–10.25, p = 0.368, respectively). However, the association in Asians was not significant after Bonferroni correction (pcorrected = 0.245). Conclusion This meta-analysis demonstrated that there was no association between MICA-TM polymorphisms and SLE susceptibility, but that the MICA-TM A9 allele was associated with an RA risk in Asians. Moreover, the association between the MICA-TM A4 phenotype and AS was HLA-B27-dependent.
URI
http://link.springer.com/article/10.1007%2Fs00393-014-1409-9http://hdl.handle.net/20.500.11754/23216
ISSN
0340-1855; 1435-1250
DOI
http://dx.doi.org/10.1007/s00393-014-1409-9
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COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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