CYP1B1 and allergic disease: Our study newly identified six loci associated with allergic diseases (MIIP, CXCR4, SCML4, CYP1B1, ICOS and LINC00824) and four pleiotropic loci associated with both autoimmune and allergic diseases (PRDM2, G3BP1, HBS1L and POU2AF1).