SOD2 and alkaline phosphatase measurement: In the erythrocyte lysate of AP patients, increased activities of total SOD (SOD1 + SOD2 + SOD3) and Cu/Zn SOD (SOD1 + SOD3) were found compared to healthy subjects, in both the individuals with the AG and AA genotypes for SNP rs2070424 in SOD1 gene (Table 4).