Intracellular α-synuclein assemblies are sufficient to alter nanoscale diffusion in the striatal extracellular space. - Estaun-Panzano J; Nandi S; Gresil Q; Doudnikoff E; Mazzocco C; Arotcarena ML; Canron MH; Dehay B; Cognet L; Bezard E (NPJ Parkinson's disease, 2024)