Neutrophil Extracellular Traps Mediate in vitro and in vivo Degradation of α-Synuclein Amyloid Fibrils

Purpose

Neutrophil extracellular traps (NETs) are chromatin-based structures decorated with neutrophil enzymes such as elastase and myeloperoxidase (MPO). We previously demonstrated that amyloid fibrils (AFs), regardless of their protein composition, induce NET release in human neutrophils in vitro through a mechanism dependent on reactive oxygen species generated by NADPH oxidase 2 (NOX2). In this study, we investigated whether α-synuclein amyloid fibrils (αSF) induce NET formation in vivo and whether NETs modulate amyloid-associated pathology.