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KMID : 0361620100450050379
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Journal of the Korean Orthopaedic Association
2010 Volume.45 No. 5 p.379 ~ p.385
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Association of GnRH1 Polymorphisms with Rheumatoid Arthritis in a Korean Female
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Kim Yu-Mi
Han Kye-Young
Kwak Eun-Bi
Chun Wan-Joo
Kim Sung-Soo
Lee Hee-Jae
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Abstract
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Purpose: Rheumatoid arthritis (RA) is a common, chronic inflammatory arthritis that develops most often in women. Gonadal hormones may account for the sexual dimorphism in the immune response and for the greater incidence of autoimmune disease in females. Gonadotrophin- releasing hormone (GnRH), one of the gonadal hormones, plays an important role in immune system modulation. This study examined the effects of single nucleotide polymorphisms (SNP) in GnRH on gender differences in the pathophysiology of RA.
Materials and Methods: The presence of SNPs rs2659590, rs2321248, rs6186, rs6185, and rs2321049 in the human GnRH1 gene was confirmed in Korean RA patients by Taqman® SNP genotyping assays. A total of 153 unrelated female, Korean RA patients and 96 female Korean controls participated.
Results: There were no significant associations between GnRH1 polymorphisms and RA. However, we found that the rs2659590, rs6185 and rs2321248 polymorphism might be associated with a susceptibility to aberrantly high erythrocyte sedimentation rates in female RA patients.
Conclusion: Additional studies, with a larger number of patients and in different populations will be required to assess whether GnRH1 polymorphisms and these haplotypes could be used as susceptibility or resistance markers in RA. To our knowledge, this study is the first to analyze associations between SNPs of GnRH1 and RA.
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KEYWORD
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gonadotrophin-releasing hormone 1, rheumatoid arthritis, single nucleotide polymorphism, association study, GnRH1
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