IL21 and celiac disease: As regards coeliac disease diagnosis above 7 years of age in the case–control analysis, rs653178 (at SH2B3/ATXN2), rs13010713 (at ITGA4/UBE2E3), rs13151961 (at IL2/IL21), rs11712165 (at CD80) and rs10936599 (at MYNN) showed an association.