ARHGAP31 and systemic lupus erythematosus: This locus has also been reported as a susceptibility region for celiac disease, multiple sclerosis, systemic lupus erythematosus, and vitiligo, represented by rs11712165 in ARHGAP31, rs2293370 in TIMMDC1, and rs6804441 and rs148136154 in CD80, respectively37–40.