Primary Progressive Aphasia Associated With GRN Mutations: New Insights Into the Nonamyloid Logopenic Variant

Dario Saracino¹, Sophie Ferrieux¹, Marie Noguès-Lassiaille¹+37

• ¹From Sorbonne Université (D.S., M.H., L.S., S.E., A.C., S.B., D.R., A.M., R.L., B.D., A.B., O.C., M.T., R.M., I.L.B.), Paris Brain Institute-Institut du Cerveau (ICM), Inserm U1127, CNRS UMR 7225, AP-HP-Hôpital Pitié-Salpêtrière; Reference Centre for Rare or Early Dementias (D.S., S.F., M.N.-L., M.H., A.F., L.S., S.E., D.R., A.M., R.L., B.D., M.T., R.M., I.L.B.), IM2A, Département de Neurologie, AP-HP-Hôpital Pitié-Salpêtrière; Aramis Project Team (D.S., S.E., S.B., A.M., O.C.), Inria Research Center of Paris; Centre of Excellence of Neurodegenerative Disease (CoEN) (M.H.), ICM, CIC Neurosciences, Département de Neurologie, AP-HP-Hôpital Pitié-Salpêtrière, Sorbonne Université; FrontLab (A.F., R.L., B.D., M.T., R.M., I.L.B.), Paris Brain Institute-Institut du Cerveau (ICM); Université Lille (V.D., F.P.), Inserm U1171, CHU Lille, DistAlz, LiCEND, CNR-MAJ; CMRR Service de Neurologie (P.C.), CHU de Limoges; Department of Neurology (J.P., A.G.), Toulouse University Hospital; ToNIC (J.P., A.G.), Toulouse NeuroImaging Centre, Inserm, UPS, University of Toulouse; Normandie Université (D.W., D.H.), UNIROUEN, Inserm U1245 and Rouen University Hospital, Department of Neurology and CNR-MAJ, Normandy Center for Genomic and Personalized Medicine; Rouen University Hospital (O.M.), Department of Neurology; Normandie Université (O.M.), UNICAEN, PSL Research University, EPHE, INSERM, U1077, CHU de Caen Normandie, Neuropsychologie et Imagerie de la Mémoire Humaine, Caen; UF de Neurogénétique Moléculaire et Cellulaire (F.C.), Département de Génétique, AP-HP, Hôpitaux Universitaires La Pitié Salpêtrière-Charles Foix; EPHE (A.C.), PSL Research University, Paris; CMRR Nouvelle Aquitaine/Institut des Maladies Neurodégénératives clinique (IMNc) (S.A.), CHU de Bordeaux Hôpital Pellegrin; Unit of Neurology of Memory and Language (M.S., J.L., C.R.-J.), GHU Paris Psychiatry and Neurosciences, University of Paris, Hôpital Sainte Anne; Université Paris-Saclay (M.S., J.L., C.R.-J.), CEA, CNRS, Inserm, BioMaps, Orsay; Aix Marseille Université (M.D.), INSERM, Institut de Neurosciences des Systèmes, Marseille; APHM (M.D.), Timone, Service de Neurologie et Neuropsychologie, APHM Hôpital Timone Adultes, Marseille; CHU Nantes (C.B.-B.), Inserm CIC04, Department of Neurology, Centre Mémoire de Ressources et Recherche, Nantes; Centre de génétique (C.T.-R.), Hôpital d'Enfants, CHU Dijon Bourgogne; CMRR Département de Neurologie (F.S.), Hôpitaux Civils, Colmar, INSERM U1118, Université de Strasbourg, Faculté de Médecine, 67085 Strasbourg; CMRR (A.G.), Département de Neurologie, CHU de Montpellier, Inserm U1061, Université de Montpellier i-site MUSE; Department of Neurology (F.E.-B.), CMRR Angers University Hospital, Angers, France; Department of Advanced Medical and Surgical Sciences (C.C.), University of Campania Luigi Vanvitelli, Naples, Italy; and Department of Neurology (M.L.G.-T.), Memory and Aging Center, University of California, San Francisco.