Peptidyl arginine deiminase type IV (PADI4) haplotypes interact with shared epitope regardless of anti-cyclic citrullinated peptide antibody or erosive joint status in rheumatoid arthritis: a case control study
1 Department of Rheumatology, Hanyang University Hospital for Rheumatic Diseases, 17 Hangdang-dong Seongdong-gu, Seoul 133-792, South Korea
2 Department of Biological Sciences, Korea Advanced Institute of Science and Technology, 335 Gwahangno Yuseong-gu, Daejeon 305-701, South Korea
Arthritis Research & Therapy 2010, 12:R115 doi:10.1186/ar3051Published: 10 June 2010
Additional file 1:
Supplementary tables S1-S2. Supplementary table S1: Interaction between PADI4 haplotypes and smoking in susceptibility to anti-CCP-positive and -negative RA. Supplementary table S2: Interaction between PADI4 haplotypes and smoking in susceptibility to erosive and non-erosive RA.
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