IDO1 and allergic disease: Eighteen of these were common to both comparisons, which were ADORA3, AOC3, C8B, CCL20, CHI3L1, CXCL10, CXCL11, CXCL9, CYP4F11, FCER1A, IDO1, IRG1, LIPA, MGLL, NCF1, PLA2G7, SERPING1, and VNN1, representing genes in the chemotaxis, allergy, tissue remodeling, and other pathways.