Prevalence of the NKG2D Thr72Ala polymorphism in patients with systemic lupus erythematosus
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- Piotrowski, P., Lianeri, M., Olesińska, M. et al. Mol Biol Rep (2012) 39: 1343. doi:10.1007/s11033-011-0868-1
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Multiple studies have indicated that SLE incidence exhibits a strong genetic background. We studied the frequency of the natural killer group 2, member D (NKG2D) receptor Thr72Ala (rs2255336) polymorphism in patients with SLE (n = 243) and controls (n = 502) in a sample of the Polish population. The p value for SLE patients with the Thr/Thr genotype was 0.0455 and Odds Ratio (OR) = 0.3846 (95% CI = 0.1458–1.014). For the Thr/Thr and Ala/Thr genotypes we found p = 0.0135 and OR = 0.6556 (95% CI = 0.4684–0.9177). The frequency of the NKG2D 72Thr allele in patients and controls was respectively, 15 and 21%, P = 0.0046, OR = 0.6547 (95% CI = 0.4877–0.8789). Our studies may confirm that the NKG2D 72Thr gene variant may protect against the incidence of SLE.