Article (Scientific journals)
Depressive symptoms in cognitively unimpaired older adults are associated with lower structural and functional integrity in a frontolimbic network.
Touron, Edelweiss; Moulinet, Inès; Kuhn, Elizabeth et al.
2022In Molecular Psychiatry, 27 (12), p. 5086 - 5095
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Keywords :
Humans; Aged; Depression; Brain/metabolism; Gray Matter/metabolism; Neuroimaging; Magnetic Resonance Imaging; Positron-Emission Tomography/methods; Alzheimer Disease/metabolism; Alzheimer Disease; Brain; Gray Matter; Positron-Emission Tomography; Molecular Biology; Psychiatry and Mental Health; Cellular and Molecular Neuroscience
Abstract :
[en] Subclinical depressive symptoms are associated with increased risk of Alzheimer's disease (AD), but the brain mechanisms underlying this relationship are still unclear. We aimed to provide a comprehensive overview of the brain substrates of subclinical depressive symptoms in cognitively unimpaired older adults using complementary multimodal neuroimaging data. We included cognitively unimpaired older adults from the baseline data of the primary cohort Age-Well (n = 135), and from the replication cohort ADNI (n = 252). In both cohorts, subclinical depressive symptoms were assessed using the 15-item version of the Geriatric Depression Scale; based on this scale, participants were classified as having depressive symptoms (>0) or not (0). Voxel-wise between-group comparisons were performed to highlight differences in gray matter volume, glucose metabolism and amyloid deposition; as well as white matter integrity (only available in Age-Well). Age-Well participants with subclinical depressive symptoms had lower gray matter volume in the hippocampus and lower white matter integrity in the fornix and the posterior parts of the cingulum and corpus callosum, compared to participants without symptoms. Hippocampal atrophy was recovered in ADNI, where participants with subclinical depressive symptoms also showed glucose hypometabolism in the hippocampus, amygdala, precuneus/posterior cingulate cortex, medial and dorsolateral prefrontal cortex, insula, and temporoparietal cortex. Subclinical depressive symptoms were not associated with brain amyloid deposition in either cohort. Subclinical depressive symptoms in ageing are linked with neurodegeneration biomarkers in the frontolimbic network including brain areas particularly sensitive to AD. The relationship between depressive symptoms and AD may be partly underpinned by neurodegeneration in common brain regions.
Disciplines :
Neurosciences & behavior
Author, co-author :
Touron, Edelweiss ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Moulinet, Inès;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Kuhn, Elizabeth ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Sherif, Siya;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Ourry, Valentin;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France ; Unité 1077 NIMH "Neuropsychologie et Imagerie de la Mémoire Humaine," Institut National de la Santé et de la Recherche Médicale, Normandie Université, Université de Caen, PSL Université, EPHE, CHU de Caen-Normandie, GIP Cyceron, Caen, France
Landeau, Brigitte ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Mézenge, Florence;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Vivien, Denis ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France ; Département de Recherche Clinique, CHU de Caen-Normandie, Caen, France
Klimecki, Olga M;  Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, Technische Universität Dresden, 01187, Dresden, Germany
Poisnel, Géraldine ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France
Marchant, Natalie L ;  Division of Psychiatry, University College London, London, UK
Chételat, Gaël ;  Unité 1237 PhIND "Physiopathology and Imaging of Neurological Disorders", Institut National de la Santé et de la Recherche Médicale, Blood and Brain @ Caen-Normandie, GIP Cyceron, Normandie Université, Université de Caen, Caen, France. chetelat@cyceron.fr
Alzheimer’s Disease Neuroimaging Initiative
Medit-Ageing Research Group
More authors (4 more) Less
Other collaborator :
Requier, Florence  ;  Université de Liège - ULiège > Département de Psychologie > Neuropsychologie ; Université de Liège - ULiège > Psychologie et Neuroscience Cognitives (PsyNCog) ; ULiège - Université de Liège [BE] > GIGA > GIGA CRC In vivo Imaging - Aging and Memory
Language :
English
Title :
Depressive symptoms in cognitively unimpaired older adults are associated with lower structural and functional integrity in a frontolimbic network.
Publication date :
December 2022
Journal title :
Molecular Psychiatry
ISSN :
1359-4184
eISSN :
1476-5578
Publisher :
Springer Nature, England
Volume :
27
Issue :
12
Pages :
5086 - 5095
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
H2020 - 667696 - MEDIT-AGEING - Investigating the impact of meditation training on mental health and wellbeing in the ageing population
Name of the research project :
MEDIT-AGEING - Investigating the impact of meditation training on mental health and wellbeing in the ageing population
Funders :
EU - European Union
Funding text :
The Age-Well randomized clinical trial is part of the Medit-Ageing project and is funded through the European Union’s Horizon 2020 Research and Innovation Program (grant 667696), Institut National de la Santé et de la Recherche Médicale, Région Normandie, and Fondation MMA des Entrepreneurs du Futur. Data collection and sharing for this project was funded by the Alzheimer’s Disease Neuroimaging Initiative (ADNI) (National Institutes of Health Grant U01 AG024904) and DOD ADNI (Department of Defense award number W81XWH-12-2-0012). ADNI is funded by the National Institute on Aging, the National Institute of Biomedical Imaging and Bioengineering, and through generous contributions from the following: AbbVie, Alzheimer’s Association; Alzheimer’s Drug Discovery Foundation; Araclon Biotech; BioClinica, Inc.; Biogen; Bristol-Myers Squibb Company; CereSpir, Inc.; Cogstate; Eisai Inc.; Elan Pharmaceuticals, Inc.; Eli Lilly and Company; EuroImmun; F. Hoffmann-La Roche Ltd and its affiliated company Genentech, Inc.; Fujirebio; GE Healthcare; IXICO Ltd.; Janssen Alzheimer Immunotherapy Research & Development, LLC.; Johnson & Johnson Pharmaceutical Research & Development LLC.; Lumosity; Lundbeck; Merck & Co., Inc.; Meso Scale Diagnostics, LLC.; NeuroRx Research; Neurotrack Technologies; Novartis Pharmaceuticals Corporation; Pfizer Inc.; Piramal Imaging; Servier; Takeda Pharmaceutical Company; and Transition Therapeutics. The Canadian Institutes of Health Research is providing funds to support ADNI clinical sites in Canada. Private sector contributions are facilitated by the Foundation for the National Institutes of Health ( www.fnih.org ). The grantee organization is the Northern California Institute for Research and Education, and the study is coordinated by the Alzheimer’s Therapeutic Research Institute at the University of Southern California. ADNI data are disseminated by the Laboratory for Neuro Imaging at the University of Southern California. The funders and sponsor had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.One hundred thirty-five CU older adults were included from the baseline visit of the Age-Well randomized controlled trial of the Medit-Ageing European project [], sponsored by the French National Institute of Health and Medical Research (INSERM). Participants were recruited from the general population with the main following eligibility criteria: native French speaker, aged at least 65 years, retired for at least 1 year, educated for at least 7 years and showing performance within the normal range for age and educational level on standardized cognitive tests (see Tables 1 and 2 in [] for details). Participants had no evidence of a major neurological or psychiatric disorder, chronic disease or acute unstable illness, no history of cerebrovascular disease, and no current or recent medication that may interfere with cognitive functioning (including antidepressants and anxiolytics). Notably, the absence of major depression was assessed using a clinician-administered questionnaire, the Montgomery-Åsberg Depression Rating Scale (MADRS) [], with a cut-off value of 6 (participants with MADRS > 6 were excluded). All participants gave their written informed consent prior to the examinations, and the Age-Well randomized clinical trial was approved by the ethics committee (Comité de Protection des Personnes Nord-Ouest III, Caen, France; trial registration number: EudraCT: 2016-002441-36; IDRCB: 2016-A01767-44; ClinicalTrials.gov Identifier: NCT02977819).OK, GP, NM and GC reported grants from European Union’s Horizon 2020 Research and Innovation Program under grant agreement No. 667696 during the conduct of the study. NM reported grants from a Senior Fellowship from the Alzheimer’s Society (AS-SF-15b-002). GC reported grants, personal fees and nonfinancial support from Institut National de la Santé et de la Recherche Médicale (INSERM); personal fees from Fondation Entrepreneurs MMA, grants and personal fees from Fondation Alzheimer, grants from Région Normandie, grants from Fondation Recherche Alzheimer, grants from Association France Alzheimer, outside the submitted work. No other disclosures were reported.
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