Differential expression of phospholipase A2s (PLA2s) and related genes in the airway epithelium of asthma. Microarrays assessed the expression of PLA2-related genes from epithelial brushings of children with atopic asthma (AA) relative to healthy, nonatopic (HNA) control subjects. (A) Expression of secreted PLA2 groups 1B, 2E, 2F, 5, and 12A were differentially expressed at a false discovery rate (FDR) of 0.02 or less. (B) Cytosolic PLA2s and platelet activating factor acetylhydrolase (PAF) were not differentially expressed, whereas PLA2R1 and PLA2-activating protein (PLAA) were differentially expressed (*FDR ≤ 0.02). Data are represented as means ± SEM.