PTGS2 and atrial septal defect: Another important set of genes increased in Post-CPB samples from both ToF and ASD patients coded for proinflammatory and chemotactic mediators (SOCS3, PTGS2, CCL2, CXCL2, RGS1, RGS2) and for molecules with metalloprotease (CYR61, ADAMTS1) and antioxidant activity (MT1M, MT2A).