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Association of Complement Receptor 2 Gene Polymorphisms with Susceptibility to Osteonecrosis of the Femoral Head in Systemic Lupus Erythematosus

Title
Association of Complement Receptor 2 Gene Polymorphisms with Susceptibility to Osteonecrosis of the Femoral Head in Systemic Lupus Erythematosus
Author
배상철
Keywords
RISK; PATHOGENESIS; CR2/CD21; NECROSIS; ISOFORM; THERAPY; BONE
Issue Date
2016-01
Publisher
HINDAWI PUBLISHING CORP
Citation
BIOMED RESEARCH INTERNATIONAL, Article number 9208035, Page. 1-6
Abstract
Osteonecrosis of the femoral head (ONFH) is a complex and multifactorial disease that is influenced by a number of genetic factors in addition to environmental factors. Some autoimmune disorders, including systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), and inflammatory bowel disease (IBD), are associated with the development of ONFH. Complement receptor type 2 (CR2) is membrane glycoprotein which binds C3 degradation products generated during complement activation. CR2 has many important functions in normal immunity and is assumed to play a role in the development of autoimmune disease. We investigated whether CR2 gene polymorphisms are associated with risk of ONFH in SLE patients. Eight polymorphisms in the CR2 gene were genotyped using TaqMan (TM) assays in 150 SLE patients and 50 ONFH in SLE patients (SLE ONFH). The association analysis of genotyped SNPs and haplotypes was performed with ONFH. It was found that three SNPs, rs3813946 in 5'-UTR (untranslated region), rs311306 in intron 1, and rs17615 in exon 10 (nonsynonymous SNP; G/A, Ser639Asn) of the CR2 gene, were associated with an increased risk of ONFH under recessive model (P values; 0.004 similar to 0.016). Haplotypes were also associated with an increased risk (OR; 3.73 similar to) of ONFH in SLE patients. These findings may provide evidences that CR2 contributes to human ONFH susceptibility in Korean SLE patients.
URI
https://www.hindawi.com/journals/bmri/2016/9208035/http://hdl.handle.net/20.500.11754/31438
ISSN
2314-6133; 2314-6141
DOI
10.1155/2016/9208035
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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