Hong-Xin Zhang1, Yan-Gui Wang2, Shun-Yuan Lu1, Xiong-Xiong Lu3, Jie Liu4. 1. State Key Laboratory of Medical Genomics, Research Center for Experimental Medicine, Shanghai Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai. 2. Department of Clinical Laboratory, Yantaishan Hospital, Yantai. 3. Department of General Surgery, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine. 4. Shanghai Institute of Orthopaedics and Traumatology, Shanghai Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China liujie007007@hotmail.com.
Abstract
OBJECTIVES: Little is known about the biochemical mediators IL-7 that correlate with the initiation and progression of OA. We performed this study to assess the role of variants of IL-7 in OA susceptibility in the Chinese Han population. METHODS: We performed a retrospective, case-control study in the Chinese Han population from 2013 to 2015. Four single nucleotide polymorphisms were genotyped (using a ligase detection reaction) in 602 patients and 454 controls. Differences between groups were analysed, and association was assessed by the odds ratio (OR) and 95% CI. RESULTS: Among these polymorphisms, rs2583764, rs2583760 and rs6993386 showed no significant association with OA in the Chinese Han population {rs2583764 [P-allele = 0.98651, P-genotype = 0.40392, OR (95% CI): 1.00162 (0.83066, 1.20775)]; rs2583760 [P-allele = 0.384500, P-genotype = 0.58752, OR (95% CI): 0.69859 (0.30996, 1.57449)]; rs6993386 [P-allele = 0.69525, P-genotype = 0.50712, OR (95% CI): 0.96432 (0.80406, 1.15653)]}. However, the results showed that the rs2583759 polymorphism was significantly associated with OA [P-allele = 0.00 P-genotype = 3.86 × 10(-30), OR (95% CI): 0.27794 (0.22407, 0.34476)], even when the 10 000 times permutation was performed (P-allele-permutation < 0.00010, P-genotype-permutation = 0.00010). Haplotype analyses showed A-G-A-C, A-G-A-T and G-G-G-C of rs2583764-rs2583760-rs6993386-rs2583759 were risk factors for OA, both before or after the 10 000 times permutation, indicating IL-7 to be associated with OA. CONCLUSION: There was a significant association between IL-7, especially rs2583759, and OA in the Chinese Han population.
OBJECTIVES: Little is known about the biochemical mediators IL-7 that correlate with the initiation and progression of OA. We performed this study to assess the role of variants of IL-7 in OA susceptibility in the Chinese Han population. METHODS: We performed a retrospective, case-control study in the Chinese Han population from 2013 to 2015. Four single nucleotide polymorphisms were genotyped (using a ligase detection reaction) in 602 patients and 454 controls. Differences between groups were analysed, and association was assessed by the odds ratio (OR) and 95% CI. RESULTS: Among these polymorphisms, rs2583764, rs2583760 and rs6993386 showed no significant association with OA in the Chinese Han population {rs2583764 [P-allele = 0.98651, P-genotype = 0.40392, OR (95% CI): 1.00162 (0.83066, 1.20775)]; rs2583760 [P-allele = 0.384500, P-genotype = 0.58752, OR (95% CI): 0.69859 (0.30996, 1.57449)]; rs6993386 [P-allele = 0.69525, P-genotype = 0.50712, OR (95% CI): 0.96432 (0.80406, 1.15653)]}. However, the results showed that the rs2583759 polymorphism was significantly associated with OA [P-allele = 0.00 P-genotype = 3.86 × 10(-30), OR (95% CI): 0.27794 (0.22407, 0.34476)], even when the 10 000 times permutation was performed (P-allele-permutation < 0.00010, P-genotype-permutation = 0.00010). Haplotype analyses showed A-G-A-C, A-G-A-T and G-G-G-C of rs2583764-rs2583760-rs6993386-rs2583759 were risk factors for OA, both before or after the 10 000 times permutation, indicating IL-7 to be associated with OA. CONCLUSION: There was a significant association between IL-7, especially rs2583759, and OA in the Chinese Han population.
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