MPO and chronic granulomatous disease: ELISA analyses of plasma samples obtained from whole blood after stimulation with either PVL (50 nmol/L) or the positive control PMA (100 nmol/L or 1.6 μmol/L), revealed that neutrophils from the CGD patient were able to secrete α-defensins HNP1–3 and myeloperoxidase, and to produce acrolein and NETs.