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1. Neuropsychiatric symptoms in genetic frontotemporal dementia: developing a new module for Clinical Rating Scales

Author

Samra, Kiran, Macdougall, Amy, Peakman, Georgia, Bouzigues, Arabella, Bocchetta, Martina, Cash, David M., Greaves, Caroline V., Convery, Rhian S., van Swieten, John C., Jiskoot, Lize C., Seelaar, Harro, Moreno, Fermin, Sánchez-Valle, Raquel, Laforce, Robert, Graff, Caroline, Masellis, Mario, Tartaglia, Maria Carmela, Rowe, James B., Borroni, Barbara, Finger, Elizabeth, Synofzik, Matthis, Galimberti, Daniela, Vandenberghe, Rik, de Mendonca, Alexandre, Butler, Christopher R., Gerhard, Alexander, Ducharme, Simon, Le Ber, Isabelle, Tiraboschi, Pietro, Santana, Isabel, Pasquier, Florence, Levin, Johannes, Otto, Markus, Sorbi, Sandro, Rohrer, Jonathan D., Russell, Lucy L., Rademakers, Rosa, Bruffaerts, Rose, Genetic FTD Initiative (GENFI), Neurology, Genetic FTD Initiative (GENFI), Samra, Kiran [0000-0002-3105-7099], Peakman, Georgia [0000-0002-3319-138X], Bocchetta, Martina [0000-0003-1814-5024], Convery, Rhian S [0000-0002-9477-1812], van Swieten, John C [0000-0001-6278-6844], Jiskoot, Lize C [0000-0002-1120-1858], Seelaar, Harro [0000-0003-1989-7527], Rowe, James B [0000-0001-7216-8679], Borroni, Barbara [0000-0001-9340-9814], Finger, Elizabeth [0000-0003-4461-7427], Synofzik, Matthis [0000-0002-2280-7273], Galimberti, Daniela [0000-0002-9284-5953], Gerhard, Alexander [0000-0002-8071-6062], Ducharme, Simon [0000-0002-7309-1113], Le Ber, Isabelle [0000-0002-2508-5181], Tiraboschi, Pietro [0000-0002-2171-1720], Sorbi, Sandro [0000-0002-0380-6670], Rohrer, Jonathan D [0000-0002-6155-8417], Apollo - University of Cambridge Repository, Miltenberger, Gabriel, Couto, Frederico Simões do, Gabilondo, Alazne, Gorostidi, Ana, Villanua, Jorge, Cañada, Marta, Tainta, Mikel, Zulaica, Miren, Barandiaran, Myriam, Alves, Patricia, Bender, Benjamin, Wilke, Carlo, Graf, Lisa, Vogels, Annick, Vandenbulcke, Mathieu, Damme, Philip Van, Bruffaerts, Rose, Poesen, Koen, Rosa-Neto, Pedro, Gauthier, Serge, Camuzat, Agnès, Brice, Alexis, Bertrand, Anne, Funkiewiez, Aurélie, Rinaldi, Daisy, Saracino, Dario, Colliot, Olivier, Sayah, Sabrina, Prix, Catharina, Wlasich, Elisabeth, Wagemann, Olivia, Loosli, Sandra, Schönecker, Sonja, Hoegen, Tobias, Lombardi, Jolina, Anderl-Straub, Sarah, Rollin, Adeline, Kuchcinski, Gregory, Bertoux, Maxime, Lebouvier, Thibaud, Deramecourt, Vincent, Santiago, Beatriz, Duro, Diana, Leitão, Maria João, Almeida, Maria Rosario, Tábuas-Pereira, Miguel, Afonso, Sónia, Nelson, Annabel, Thomas, David L, Todd, Emily, Benotmane, Hanya, Nicholas, Jennifer, Shafei, Rachelle, Timberlake, Carolyn, Cope, Thomas, Rittman, Timothy, Benussi, Alberto, Premi, Enrico, Gasparotti, Roberto, Archetti, Silvana, Gazzina, Stefano, Cantoni, Valentina, Arighi, Andrea, Fenoglio, Chiara, Scarpini, Elio, Fumagalli, Giorgio, Borracci, Vittoria, Rossi, Giacomina, Giaccone, Giorgio, Fede, Giuseppe Di, Caroppo, Paola, Prioni, Sara, Redaelli, Veronica, Tang-Wai, David, Rogaeva, Ekaterina, Castelo-Branco, Miguel, Freedman, Morris, Keren, Ron, Black, Sandra, Mitchell, Sara, Shoesmith, Christen, Bartha, Robart, Rademakers, Rosa, Poos, Jackie, Papma, Janne M, Giannini, Lucia, Minkelen, Rick van, Pijnenburg, Yolande, Nacmias, Benedetta, Ferrari, Camilla, Polito, Cristina, Lombardi, Gemma, Bessi, Valentina, Veldsman, Michele, Andersson, Christin, Thonberg, Hakan, Öijerstedt, Linn, Jelic, Vesna, Thompson, Paul, Langheinrich, Tobias, Lladó, Albert, Antonell, Anna, Olives, Jaume, Balasa, Mircea, Bargalló, Nuria, Borrego-Ecija, Sergi, Verdelho, Ana, Maruta, Carolina, Ferreira, Catarina B, and Repositório da Universidade de Lisboa

Subjects
genetics [Hallucinations], GENETICS, Hallucinations, Clinical Neurology, Medizin, C9ORF72, PROGRESSION, Anxiety, DIAGNOSIS, PHENOTYPE, AMYOTROPHIC-LATERAL-SCLEROSIS, diagnosis [Frontotemporal Dementia], SDG 3 - Good Health and Well-being, CRITERIA, Humans, ddc:610, MUTATION, genetics [Frontotemporal Dementia], Psychiatry, NEUROPSYCHIATRY, Science & Technology, PSYCHIATRIC-SYMPTOMS, FRONTOTEMPORAL DEMENTIA, Mental Status and Dementia Tests, HEXANUCLEOTIDE REPEAT EXPANSION, PREVALENCE, Psychiatry and Mental health, Psychotic Disorders, Frontotemporal Dementia, Surgery, Neurosciences & Neurology, Human medicine, Neurology (clinical), Life Sciences & Biomedicine
Abstract

Peer reviewed: True, Acknowledgements: We thank the research participants and their families for their contribution to the study. Several authors of this publication are members of the European Reference Network for Rare Neurological Diseases - Project ID No 739510., Funder: Bluefield Project, Funder: National Institute for Health Research Cambridge Biomedical Research Centre, BACKGROUND: Current clinical rating scales in frontotemporal dementia (FTD) often do not incorporate neuropsychiatric features and may therefore inadequately measure disease stage. METHODS: 832 participants from the Genetic FTD Initiative (GENFI) were recruited: 522 mutation carriers and 310 mutation-negative controls. The standardised GENFI clinical questionnaire assessed the frequency and severity of 14 neuropsychiatric symptoms: visual, auditory, and tactile hallucinations, delusions, depression, anxiety, irritability/lability, agitation/aggression, euphoria/elation, aberrant motor behaviour, hypersexuality, hyperreligiosity, impaired sleep, and altered sense of humour. A principal component analysis (PCA) was performed to identify key groupings of neuropsychiatric and behavioural items in order to create a new neuropsychiatric module that could be used as an addition to the Clinical Dementia Rating (CDR) plus National Alzheimer's Coordinating Center Behaviour and Language Domains (NACC FTLD) rating scale. RESULTS: Overall, 46.4% of mutation carriers had neuropsychiatric symptoms (51.6% C9orf72, 40.8% GRN, 46.6% MAPT) compared with 24.5% of controls. Anxiety and depression were the most common in all genetic groups but fluctuated longitudinally and loaded separately in the PCA. Hallucinations and delusions loaded together, with the remaining neuropsychiatric symptoms loading with the core behavioural features of FTD. These results suggest using a single 'psychosis' neuropsychiatric module consisting of hallucinations and delusions. Adding this to the CDR plus NACC FTLD, called the CDR plus NACC FTLD-N, leads to a number of participants being scored more severely, including those who were previously considered asymptomatic now being scored as prodromal. CONCLUSIONS: Neuropsychiatric symptoms occur in mutation carriers at all disease stages across all three genetic groups. However, only psychosis features provided additional staging benefit to the CDR plus NACC FTLD. Inclusion of these features brings us closer to optimising the rating scale for use in trials.

Published
2023
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2. Comparison of clinical rating scales in genetic frontotemporal dementia within the GENFI cohort

Author

Peakman, Georgia, Russell, Lucy L., Convery, Rhian S., Nicholas, Jennifer M., van Swieten, John C., Jiskoot, Lize C., Moreno, Fermin, Sanchez-Valle, Raquel, Laforce, Robert, Graff, Caroline, Masellis, Mario, Tartaglia, Maria Carmela, Rowe, James B., Borroni, Barbara, Finger, Elizabeth, Synofzik, Matthis, Galimberti, Daniela, Vandenberghe, Rik, de Mendonça, Alexandre, Butler, Chris R., Gerhard, Alex, Ducharme, Simon, Le Ber, Isabelle, Tagliavini, Fabrizio, Santana, Isabel, Pasquier, Florence, Levin, Johannes, Danek, Adrian, Otto, Markus, Sorbi, Sandro, Rohrer, Jonathan D., Afonso, Sónia, Almeida, Maria Rosario, Anderl-Straub, Sarah, Andersson, Christin, Antonell, Anna, Archetti, Silvana, Arighi, Andrea, Balasa, Mircea, Barandiaran, Myriam, Bargalló, Nuria, Bartha, Robart, Bender, Benjamin, Benussi, Alberto, Bertoux, Maxime, Bertrand, Anne, Bessi, Valentina, Black, Sandra, Bocchetta, Martina, Borrego-Ecija, Sergi, Bras, Jose, Brice, Alexis, Bruffaerts, Rose, Camuzat, Agnès, Cañada, Marta, Cantoni, Valentina, Caroppo, Paola, Cash, David, Castelo-Branco, Miguel, Colliot, Olivier, Cope, Thomas, Deramecourt, Vincent, de Arriba, María, Di Fede, Giuseppe, Díez, Alina, Duro, Diana, Fenoglio, Chiara, Ferrari, Camilla, Ferreira, Catarina B., Fox, Nick, Freedman, Morris, Fumagalli, Giorgio, Funkiewiez, Aurélie, Gabilondo, Alazne, Gasparotti, Roberto, Gauthier, Serge, Gazzina, Stefano, Giaccone, Giorgio, Gorostidi, Ana, Greaves, Caroline, Guerreiro, Rita, Heller, Carolin, Hoegen, Tobias, Indakoetxea, Begoña, Jelic, Vesna, Karnath, Hans-Otto, Keren, Ron, Kuchcinski, Gregory, Langheinrich, Tobias, Lebouvier, Thibaud, Leitão, Maria João, Lladó, Albert, Lombardi, Gemma, Loosli, Sandra, Maruta, Carolina, Mead, Simon, Meeter, Lieke, Miltenberger, Gabriel, van Minkelen, Rick, Mitchell, Sara, Moore, Katrina, Nacmias, Benedetta, Nelson, Annabel, Öijerstedt, Linn, Olives, Jaume, Ourselin, Sebastien, Padovani, Alessandro, Panman, Jessica, Papma, Janne M., Pijnenburg, Yolande, Polito, Cristina, Premi, Enrico, Prioni, Sara, Prix, Catharina, Rademakers, Rosa, Redaelli, Veronica, Rinaldi, Daisy, Rittman, Tim, Rogaeva, Ekaterina, Rollin, Adeline, Rosa-Neto, Pedro, Rossi, Giacomina, Rossor, Martin, Santiago, Beatriz, Saracino, Dario, Sayah, Sabrina, Scarpini, Elio, Schönecker, Sonja, Seelaar, Harro, Semler, Elisa, Shafei, Rachelle, Shoesmith, Christen, Swift, Imogen, Tábuas-Pereira, Miguel, Tainta, Mikel, Taipa, Ricardo, Tang-Wai, David, Thomas, David L., Thompson, Paul, Thonberg, Hakan, Timberlake, Carolyn, Tiraboschi, Pietro, Todd, Emily, van Damme, Philip, Vandenbulcke, Mathieu, Veldsman, Michele, Verdelho, Ana, Villanua, Jorge, Warren, Jason, Wilke, Carlo, Woollacott, Ione, Wlasich, Elisabeth, Zetterberg, Henrik, Zulaica, Miren, Neurology, Amsterdam Neuroscience - Neurodegeneration, University College of London [London] (UCL), London School of Hygiene and Tropical Medicine (LSHTM), Erasmus University Medical Center [Rotterdam] (Erasmus MC), Donostia International Physics Center - DIPC (SPAIN), Donostia International Physics Center (DIPC), University of the Basque Country/Euskal Herriko Unibertsitatea (UPV/EHU)-University of the Basque Country/Euskal Herriko Unibertsitatea (UPV/EHU), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona (UB), Centre Hospitalier Université Laval [Quebec] (CHUL), CHU de Québec–Université Laval, Université Laval [Québec] (ULaval)-Université Laval [Québec] (ULaval), Karolinska Institutet [Stockholm], University of Toronto, University of Cambridge [UK] (CAM), University of Brescia, University of Western Ontario (UWO), Universitätsklinikum Tübingen - University Hospital of Tübingen, Eberhard Karls Universität Tübingen = Eberhard Karls University of Tuebingen, Fondazione IRCCS Ca' Granda - Ospedale Maggiore Policlinico, Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), Lusófona University [Lisbon], University of Oxford, University of Manchester [Manchester], McGill University = Université McGill [Montréal, Canada], Institut du Cerveau = Paris Brain Institute (ICM), Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut de la Mémoire et de la Maladie d'Alzheimer [CHU Pitié-Salpétriêre] (IM2A), CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Service de Neurologie [CHU Pitié-Salpêtrière], IFR70-CHU Pitié-Salpêtrière [AP-HP], Fondazione IRCCS Istituto Neurologico 'Carlo Besta', University of Coimbra [Portugal] (UC), Lille Neurosciences & Cognition - U 1172 (LilNCog), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Ludwig-Maximilians-Universität München (LMU), University of Ulm (UUlm), Università degli Studi di Firenze = University of Florence (UniFI), HAL-SU, Gestionnaire, Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), University of Oxford [Oxford], Institut du Cerveau et de la Moëlle Epinière = Brain and Spine Institute (ICM), Institut National de la Santé et de la Recherche Médicale (INSERM)-CHU Pitié-Salpêtrière [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut de la Mémoire et de la Maladie d'Alzheimer [Paris] (IM2A), Sorbonne Université (SU), Lille Neurosciences & Cognition - U 1172 (LilNCog (ex-JPARC)), Università degli Studi di Firenze = University of Florence [Firenze] (UNIFI), Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Peakman, Georgia [0000-0002-3319-138X], Convery, Rhian S [0000-0002-9477-1812], Van Swieten, John C [0000-0001-6278-6844], Jiskoot, Lize C [0000-0002-1120-1858], Rowe, James B [0000-0001-7216-8679], Borroni, Barbara [0000-0001-9340-9814], Finger, Elizabeth [0000-0003-4461-7427], Galimberti, Daniela [0000-0002-9284-5953], Gerhard, Alex [0000-0002-8071-6062], Ducharme, Simon [0000-0002-7309-1113], Le Ber, Isabelle [0000-0002-2508-5181], Danek, Adrian [0000-0001-8857-5383], Otto, Markus [0000-0002-6647-5944], Sorbi, Sandro [0000-0002-0380-6670], Rohrer, Jonathan D [0000-0002-6155-8417], Apollo - University of Cambridge Repository, and Genetic FTD Initiative (GENFI)

Subjects
Oncology, Medizin, LANGUAGE, Disease, Genetic FTD Initiative (GENFI), Cohort Studies, 0302 clinical medicine, diagnosis [Frontotemporal Dementia], ddc:150, C9orf72, CRITERIA, 030212 general & internal medicine, frontotemporal dementia, C9orf72 Protein, Cross-Sectional Studies, Disease Progression, Frontotemporal Dementia, Humans, Mutation, tau Proteins, Mental Status and Dementia Tests, VERSION, 11 Medical and Health Sciences, Psychiatry, UTILITY, DDC 150 / Psychology, biology, FTD, 17 Psychology and Cognitive Sciences, Psychiatry and Mental health, Mutation (genetic algorithm), Cohort, [SDV.NEU]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC], medicine.symptom, FTLD, Life Sciences & Biomedicine, Alzheimer’s disease, Frontotemporal dementia, medicine.medical_specialty, Clinical Dementia Rating, Tau protein, Clinical Neurology, Alzheimerkrankheit, [SDV.GEN.GH] Life Sciences [q-bio]/Genetics/Human genetics, DIAGNOSIS, Asymptomatic, VALIDATION, 03 medical and health sciences, SDG 3 - Good Health and Well-being, Internal medicine, mental disorders, medicine, ddc:610, [SDV.NEU] Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC], Neurodegeneration, Science & Technology, Neurology & Neurosurgery, [SDV.GEN.GPO]Life Sciences [q-bio]/Genetics/Populations and Evolution [q-bio.PE], business.industry, MUTATIONS, medicine.disease, [SDV.GEN.GH]Life Sciences [q-bio]/Genetics/Human genetics, biology.protein, [SDV.GEN.GPO] Life Sciences [q-bio]/Genetics/Populations and Evolution [q-bio.PE], Surgery, Neurology (clinical), Neurosciences & Neurology, business, 030217 neurology & neurosurgery
Abstract

BackgroundTherapeutic trials are now underway in genetic forms of frontotemporal dementia (FTD) but clinical outcome measures are limited. The two most commonly used measures, the Clinical Dementia Rating (CDR)+National Alzheimer’s Disease Coordinating Center (NACC) Frontotemporal Lobar Degeneration (FTLD) and the FTD Rating Scale (FRS), have yet to be compared in detail in the genetic forms of FTD.MethodsThe CDR+NACC FTLD and FRS were assessed cross-sectionally in 725 consecutively recruited participants from the Genetic FTD Initiative: 457 mutation carriers (77 microtubule-associated protein tau (MAPT), 187 GRN, 193 C9orf72) and 268 family members without mutations (non-carrier control group). 231 mutation carriers (51 MAPT, 92 GRN, 88 C9orf72) and 145 non-carriers had available longitudinal data at a follow-up time point.ResultsCross-sectionally, the mean FRS score was lower in all genetic groups compared with controls: GRN mutation carriers mean 83.4 (SD 27.0), MAPT mutation carriers 78.2 (28.8), C9orf72 mutation carriers 71.0 (34.0), controls 96.2 (7.7), p, publishedVersion

Published
2022
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3. Plasma glial fibrillary acidic protein is raised in progranulin-associated frontotemporal dementia

Author

Heller, Carolin, Foiani, Martha S, Shafei, Rachelle, Miltenberger, Gabriel, Maruta, Carolina, Verdelho, Ana, Afonso, Sónia, Taipa, Ricardo, Caroppo, Paola, Fede, Giuseppe Di, Giaccone, Giorgio, Prioni, Sara, Redaelli, Veronica, Van Swieten, John C, Rossi, Giacomina, Tiraboschi, Pietro, Duro, Diana, Almeida, Maria Rosario, Castelo-Branco, Miguel, Leitão, Maria João, Tabuas-Pereira, Miguel, Santiago, Beatriz, Gauthier, Serge, Rosa-Neto, Pedro, Moreno, Fermin, Veldsman, Michele, Flanagan, Toby, Prix, Catharina, Hoegen, Tobias, Wlasich, Elisabeth, Loosli, Sandra, Schonecker, Sonja, Semler, Elisa, Anderl-Straub, Sarah, Benussi, Luisa, Sanchez-Valle, Raquel, Binetti, Giuliano, Ghidoni, Roberta, Pievani, Michela, Lombardi, Gemma, Nacmias, Benedetta, Ferrari, Camilla, Bessi, Valentina, Borroni, Barbara, Laforce, Robert, Masellis, Mario, Tartaglia, Maria Carmela, Graff, Caroline, Galimberti, Daniela, Moore, Katrina, Rowe, James B, Finger, Elizabeth, Synofzik, Matthis, Vandenberghe, Rik, de Mendonca, Alexandre, Tagliavini, Fabrizio, Santana, Isabel, Ducharme, Simon, Butler, Christopher R, Gerhard, Alex, Convery, Rhian, Levin, Johannes, Danek, Adrian, Frisoni, Giovanni, Sorbi, Sandro, Otto, Markus, Heslegrave, Amanda J, Zetterberg, Henrik, Rohrer, Jonathan D, GENFI, Rossor, Martin N, Bocchetta, Martina, Warren, Jason D, Fox, Nick C, Guerreiro, Rita, Bras, Jose, Nicholas, Jennifer, Mead, Simon, Jiskoot, Lize, Meeter, Lieke, Panman, Jessica, Papma, Janne, Neason, Mollie, Minkelen, Rick van, Pijnenburg, Yolanda, Barandiaran, Myriam, Indakoetxea, Begoña, Gabilondo, Alazne, Tainta, Mikel, Arriba, Maria de, Gorostidi, Ana, Zulaica, Miren, Villanua, Jorge, Cash, David M, Diaz, Zigor, Borrego-Ecija, Sergi, Olives, Jaume, Lladó, Albert, Balasa, Mircea, Antonell, Anna, Bargallo, Nuria, Premi, Enrico, Cosseddu, Maura, Gazzina, Stefano, Thomas, David, Padovani, Alessandro, Gasparotti, Roberto, Archetti, Silvana, Black, Sandra, Mitchell, Sara, Rogaeva, Ekaterina, Freedman, Morris, Keren, Ron, Tang-Wai, David, Öijerstedt, Linn, Greaves, Caroline V, Andersson, Christin, Jelic, Vesna, Thonberg, Hakan, Arighi, Andrea, Fenoglio, Chiara, Scarpini, Elio, Fumagalli, Giorgio, Cope, Thomas, Timberlake, Carolyn, Rittman, Timothy, Woollacott, Ione Oc, Shoesmith, Christen, Bartha, Robart, Rademakers, Rosa, Wilke, Carlo, Karnarth, Hans-Otto, Bender, Benjamin, Bruffaerts, Rose, Vandamme, Philip, Vandenbulcke, Mathieu, Ferreira, Catarina B, Amsterdam Neuroscience - Neurodegeneration, Neurology, Heller, Carolin [0000-0002-1934-6162], Foiani, Martha S [0000-0003-4157-2606], Moore, Katrina [0000-0002-4458-8390], Convery, Rhian [0000-0002-9477-1812], Bocchetta, Martina [0000-0003-1814-5024], Neason, Mollie [0000-0001-9419-7171], Thomas, David [0000-0003-1491-1641], Greaves, Caroline V [0000-0002-6446-1960], Woollacott, Ione Oc [0000-0003-1166-6417], Shafei, Rachelle [0000-0002-4760-8684], Van Swieten, John C [0000-0001-6278-6844], Borroni, Barbara [0000-0001-9340-9814], Rowe, James B [0000-0001-7216-8679], Finger, Elizabeth [0000-0003-4461-7427], Otto, Markus [0000-0002-6647-5944], Rohrer, Jonathan D [0000-0002-6155-8417], Apollo - University of Cambridge Repository, Repositório da Universidade de Lisboa, and Woollacott, Ione OC [0000-0003-1166-6417]

Subjects
blood [Frontotemporal Dementia], Male, blood [Neurofilament Proteins], Gastroenterology, genetics [Progranulins], Progranulins, 0302 clinical medicine, Neurofilament Proteins, C9orf72, blood [Glial Fibrillary Acidic Protein], genetics [Frontotemporal Dementia], 0303 health sciences, blood [Biomarkers], Glial fibrillary acidic protein, biology, Middle Aged, Astrogliosis, Psychiatry and Mental health, Frontotemporal Dementia, Biomarker (medicine), Female, Frontotemporal dementia, Adult, medicine.medical_specialty, genetics [Mutation], tau Proteins, 03 medical and health sciences, Atrophy, Internal medicine, Glial Fibrillary Acidic Protein, medicine, Humans, ddc:610, Neurodegeneration, genetics [C9orf72 Protein], Pathological, Aged, 030304 developmental biology, C9orf72 Protein, business.industry, Case-control study, medicine.disease, genetics [tau Proteins], Case-Control Studies, Mutation, biology.protein, Surgery, Neurology (clinical), business, GENFI, Biomarkers, 030217 neurology & neurosurgery
Abstract

© Author(s) (or their employer(s)). No commercial re-use. See rights and permissions. Published by BMJ., Background: There are few validated fluid biomarkers in frontotemporal dementia (FTD). Glial fibrillary acidic protein (GFAP) is a measure of astrogliosis, a known pathological process of FTD, but has yet to be explored as potential biomarker. Methods: Plasma GFAP and neurofilament light chain (NfL) concentration were measured in 469 individuals enrolled in the Genetic FTD Initiative: 114 C9orf72 expansion carriers (74 presymptomatic, 40 symptomatic), 119 GRN mutation carriers (88 presymptomatic, 31 symptomatic), 53 MAPT mutation carriers (34 presymptomatic, 19 symptomatic) and 183 non-carrier controls. Biomarker measures were compared between groups using linear regression models adjusted for age and sex with family membership included as random effect. Participants underwent standardised clinical assessments including the Mini-Mental State Examination (MMSE), Frontotemporal Lobar Degeneration-Clinical Dementia Rating scale and MRI. Spearman's correlation coefficient was used to investigate the relationship of plasma GFAP to clinical and imaging measures. Results: Plasma GFAP concentration was significantly increased in symptomatic GRN mutation carriers (adjusted mean difference from controls 192.3 pg/mL, 95% CI 126.5 to 445.6), but not in those with C9orf72 expansions (9.0, -61.3 to 54.6), MAPT mutations (12.7, -33.3 to 90.4) or the presymptomatic groups. GFAP concentration was significantly positively correlated with age in both controls and the majority of the disease groups, as well as with NfL concentration. In the presymptomatic period, higher GFAP concentrations were correlated with a lower cognitive score (MMSE) and lower brain volume, while in the symptomatic period, higher concentrations were associated with faster rates of atrophy in the temporal lobe. Conclusions: Raised GFAP concentrations appear to be unique to GRN-related FTD, with levels potentially increasing just prior to symptom onset, suggesting that GFAP may be an important marker of proximity to onset, and helpful for forthcoming therapeutic prevention trials., The GENFI study has been supported by the Medical Research Council UK (MR/M023664/1), the Italian Ministry of Health and the Canadian Institutes of Health Research as part of a Centres of Excellence in Neurodegeneration grant, as well as other individual funding to investigators. This work was supported by the NIHR Queen Square Dementia Biomedical Research Unit, the NIHR UCL/H Biomedical Research Centre and the Leonard Wolfson Experimental Neurology Centre (LWENC) Clinical Research Facility, Alzheimer’s Research UK, the Brain Research Trust and the Wolfson Foundation as well as an Alzheimer's Society grant (AS-PG-16-007). The biomarker measurements were funded in part by the UK Dementia Research Institute at UCL and by a Wellcome Trust Multi-User Equipment Grant. KM has received funding from an Alzheimer’s Society PhD studentship. IOCW is supported by a MRC Clinical Research Training Fellowship (MR/M018288/1). RS-V is supported by an Alzheimer's Research UK Clinical Research Training Fellowship (ARUK-CRF2017B-2). JCVS was supported by the Dioraphte Foundation grant 09-02-03-00, the Association for Frontemporal Dementias Research Grant 2009, The Netherlands Organization for Scientific Research (NWO) grant HCMI 056-13-018, ZonMw Memorabel (Deltaplan Dementie, project number 733 051 042), Alzheimer Nederland and the Bluefield project. CG received funding from JPND-Prefrontals VR Dnr 529-2014-7504, VR 2015-02926 and 2018-02754, the Swedish FTD Initiative-Schörling Foundation, Alzheimer Foundation, Brain Foundation and Stockholm County Council ALF. DG received support from the EU Joint Programme—Neurodegenerative Disease Research (JPND) and the Italian Ministry of Health (PreFrontALS) grant 733051042. RS-V has received funding from Fundació Marató de TV3, Spain (grant no. 20143810). FM received funding from the Tau Consortium and the Center for Networked Biomedical Research on Neurodegenerative Disease (CIBERNED). JBR has received funding from the Wellcome Trust (103838) and the National Institute for Health Research (NIHR) Cambridge Biomedical Research Centre. MO has received funding from BMBF (FTLDc). MM has received funding from a Canadian Institutes of Health Research operating grant and the Weston Brain Institute and Ontario Brain Institute. RV has received funding from the Mady Browaeys Fund for Research into Frontotemporal Dementia. EF has received funding from a CIHR grant #327387. HZ is a Wallenberg Academy Fellow. JR is a MRC Clinician Scientist (MR/M008525/1) and has received funding from the NIHR Rare Diseases Translational Research Collaboration (BRC149/NS/MH), the Bluefield Project and the Association for Frontotemporal Degeneration.

Published
2020
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4. Neuronal pentraxin 2: a synapse-derived CSF biomarker in genetic frontotemporal dementia

Author

Elise G.P. Dopper, Desheng Xu, Christopher C Butler, Alexandre de Mendonça, James B. Rowe, Isabel Santana, Fabrizio Tagliavini, Barbara Borroni, Lize C. Jiskoot, Robert Laforce, Jessica L. Panman, Jackie M. Poos, Yolande A.L. Pijnenburg, Lieke H.H. Meeter, Emma L. van der Ende, Harro Seelaar, Georgia Peakman, Alexander Gerhard, Daniela Galimberti, Jonathan D. Rohrer, Simon Ducharme, Janne M. Papma, Mollie Neason, Charlotte E. Teunissen, Rik Vandenberghe, Meifang Xiao, Elizabeth Finger, Maria Carmela Tartaglia, Adrian Danek, Raquel Sánchez-Valle, Johannes Levin, Markus Otto, Paul F. Worley, Fermin Moreno, Carolin Heller, David M. Cash, Katrina M. Moore, Martina Bocchetta, Rhian S Convery, Caroline Graff, Matthis Synofzik, John C. van Swieten, Mario Masellis, Neurology, van der Ende, Emma L [0000-0003-2570-8796], Poos, Jackie M [0000-0001-8843-7247], Jiskoot, Lize C [0000-0002-1120-1858], Heller, Carolin [0000-0002-1934-6162], Convery, Rhian [0000-0002-9477-1812], Bocchetta, Martina [0000-0003-1814-5024], Finger, Elizabeth [0000-0003-4461-7427], Rowe, James B [0000-0001-7216-8679], Otto, Markus [0000-0002-6647-5944], Borroni, Barbara [0000-0001-9340-9814], van Swieten, John C [0000-0001-6278-6844], Apollo - University of Cambridge Repository, Laboratory Medicine, Amsterdam Neuroscience - Neurodegeneration, and Amsterdam Reproduction & Development (AR&D)

Subjects
Oncology, Male, VARIANT, Medizin, cerebrospinal fluid [Frontotemporal Dementia], NARP, 0302 clinical medicine, Cerebrospinal fluid, diagnosis [Frontotemporal Dementia], Neurofilament Proteins, C9orf72, CRITERIA, Verbal fluency test, genetics [Frontotemporal Dementia], Psychiatry, 0303 health sciences, biology, Middle Aged, 3. Good health, ALZHEIMERS-DISEASE, Psychiatry and Mental health, C-Reactive Protein, medicine.anatomical_structure, cerebrospinal fluid [Biomarkers], Frontotemporal Dementia, Disease Progression, Biomarker (medicine), Female, Life Sciences & Biomedicine, Frontotemporal dementia, Adult, medicine.medical_specialty, Heterozygote, Clinical Dementia Rating, Clinical Neurology, Nerve Tissue Proteins, Grey matter, cerebrospinal fluid [C-Reactive Protein], 03 medical and health sciences, CEREBROSPINAL-FLUID, Internal medicine, medicine, Humans, ddc:610, Neurodegeneration, 030304 developmental biology, Aged, Science & Technology, Pentraxins, business.industry, cerebrospinal fluid [Nerve Tissue Proteins], medicine.disease, DYSFUNCTION, cerebrospinal fluid [Neurofilament Proteins], biology.protein, Surgery, Neurosciences & Neurology, Neurology (clinical), business, Biomarkers, 030217 neurology & neurosurgery
Abstract

IntroductionSynapse dysfunction is emerging as an early pathological event in frontotemporal dementia (FTD), however biomarkers are lacking. We aimed to investigate the value of cerebrospinal fluid (CSF) neuronal pentraxins (NPTXs), a family of proteins involved in homeostatic synapse plasticity, as novel biomarkers in genetic FTD.MethodsWe included 106 presymptomatic and 54 symptomatic carriers of a pathogenic mutation in GRN, C9orf72 or MAPT, and 70 healthy non-carriers participating in the Genetic Frontotemporal dementia Initiative (GENFI), all of whom had at least one CSF sample. We measured CSF concentrations of NPTX2 using an in-house ELISA, and NPTX1 and NPTX receptor (NPTXR) by Western blot. We correlated NPTX2 with corresponding clinical and neuroimaging datasets as well as with CSF neurofilament light chain (NfL) using linear regression analyses.ResultsSymptomatic mutation carriers had lower NPTX2 concentrations (median 643 pg/mL, IQR (301–872)) than presymptomatic carriers (1003 pg/mL (624–1358), pDiscussionWe conclude that NPTX2 is a promising synapse-derived disease progression biomarker in genetic FTD.

Published
2020
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