Knockout of the LRRK2-counteracting RAB phosphatase PPM1H disrupts axonal autophagy and exacerbates alpha-synuclein aggregation
Michel Fricke, Anna Mechel, Lennart Evers, Björn Twellsieck, Jessica M. Grein, Maria‐Sol Cima‐Omori, Mohammed Al‐Azzani, Tiago F. Outeiro, Markus Zweckstetter, Erika L.F. Holzbaur, C. Alexander Boecker
This study shows that PPM1H knockout disrupts axonal autophagy and increases alpha-synuclein aggregation in neurons, linking LRRK2 hyperactivity to Parkinson disease pathology.
Cell Reports · May 21, 2026Peer-reviewedNeuroscience