A human GBA-L444P transgene drives early and persistent dopamine neurotransmission deficits and alpha-synuclein pathology in a mouse model of early Parkinson's disease
Natalie Connor‐Robson, Tara Diviney, Javier Alegre‐Abarrategui, Bradley M. Roberts, Katherine R. Brimblecombe, Nora Bengoa‐Vergniory, Harrison Waters, Milena Cioroch, B Luther Davies, Kateryna O. Bila, Martijn J. C. van der Lienden, Johannes M. F. G. Aerts, Stephanie Jane Cragg, Richard Wade‐Martins
This paper creates a humanised GBA-L444P mouse model to study GBA1 mutations in Parkinson's, finding gain-of-function effects on dopamine release and loss-of-function effects on alpha-synuclein pathology.
bioRxiv · May 27, 2026 · PreprintNeuroscience