IL10 and allergic bronchopulmonary aspergillosis: These include HLA-DR and HLA-DQ, IL-4 receptor alpha chain (IL-4RA)polymorphisms, IL-10-1082GA promoter polymorphisms, surfactant protein A2 (SP-A2)polymorphisms, and cystic fibrosis transmembrane conductance regulator gene (CFTR) mutations.The studies indicate that ABPA patients are genetically at risk to develop skewed and heightenedTh2 responses to A. fumigatus antigens.