IL23R and inflammatory bowel disease: GWAS showed that IL23R (rs11209026, rs1004819, rs10489629, rs11465804, rs1343151, rs10889677, rs11209032, rs1495965) and IL12B (rs6556416, rs10045431) single nuclear polymorphism (SNPs) are associated with the susceptibility to AS, as well as SpA related conditions, such as psoriasis and inflammatory bowel disease (IBD) (28–30).