We found both the rs229527 allele within C1QTNF6 (odds ratio [OR] = 1.23, confidence interval [95% CI]: 1.12-1.33, p<sub>Allelic</sub> = 4.60 × 10<sup>-6</sup>) and the rs2284038 allele within RAC2 (OR = 1.10, 95% CI: 1.01-0.19, p<sub>Allelic</sub> = 3.00 × 10<sup>-2</sup>) showed significant associations with GD susceptibility.
In this study, we carried out a three-stage study in 9529 patients with GD and 9984 controls to identify new risk loci for GD and found genome-wide significant associations in the overall populations for five novel susceptibility loci: the GPR174-ITM2A at Xq21.1, C1QTNF6-RAC2 at 22q12.3-13.1, SLAMF6 at 1q23.2, ABO at 9q34.2 and an intergenic region harboring two non-coding RNAs at 14q32.2 and one previous indefinite locus, TG at 8q24.22 (Pcombined < 5 × 10(-8)).