mpo netNeutrophil extracellular traps (NETs) are extracellular chromatin fibers adorned with antimicrobial proteins, such as myeloperoxidase (MPO), which are extruded from activated neutrophils.Net foren direct investment inflow (% of GDP). 1.7. 4.6. 2.7. 2.5. 2.5. 2.4. Fiscal balance (% of GDP). 1.4. -2.3. -2.5. -3.2. -2.8.