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024 7 _ |a 10.1080/09540261.2025.2600619
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037 _ _ |a DZNE-2026-00039
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Najar, Jenna
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245 _ _ |a Polygenic risk for psychiatric disorders and its association with neuropsychiatric symptoms in dementia.
260 _ _ |a Abingdon
|c 2025
|b Taylor & Francis Group
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520 _ _ |a Neuropsychiatric symptoms are common in Alzheimer's disease (AD), dementia with Lewy bodies (DLB), and frontotemporal dementia (FTD), yet their genetic underpinnings remain unclear. To gain insight into biological processes related to neuropsychiatric symptoms in dementia, we investigated whether polygenic risk scores (PRS) for psychiatric disorders - major depressive disorder (MDD), schizophrenia (SCZ), bipolar disorder (BD), and autism spectrum disorder (ASD) - are associated with neuropsychiatric symptoms in dementia. Data included genetic and neuropsychiatric data of 6240 AD patients, 428 FTD patients and 390 DLB patients from five European cohorts (ADC, GR@ACE, DELCODE, AgeCoDe, and DCN). PRS for MDD, BD, SCZ, and ASD were calculated using LDpred2. Neuropsychiatric symptoms were assessed using total scores from the Neuropsychiatric Inventory (NPI) (NPI-12 and NPI-Q) and Geriatric Depression scale (GDS). Associations between PRS and symptoms were examined using linear regression models, followed by meta-analyses. In FTD, higher SCZ-PRS associated with lower NPI scores in the meta-analysis (β = -0.12, p = .001). No associations were found in AD and DLB. This is the first study to show that genetic liability for SCZ associates with lower NPI in FTD, warranting further investigation.
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650 _ 7 |a Dementia
|2 Other
650 _ 7 |a frontotemporal dementia
|2 Other
650 _ 7 |a neuropsychiatric symptoms
|2 Other
650 _ 7 |a polygenic risk scores
|2 Other
650 _ 7 |a psychiatric disorders
|2 Other
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Multifactorial Inheritance: genetics
|2 MeSH
650 _ 2 |a Aged
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Alzheimer Disease: genetics
|2 MeSH
650 _ 2 |a Lewy Body Disease: genetics
|2 MeSH
650 _ 2 |a Frontotemporal Dementia: genetics
|2 MeSH
650 _ 2 |a Depressive Disorder, Major: genetics
|2 MeSH
650 _ 2 |a Bipolar Disorder: genetics
|2 MeSH
650 _ 2 |a Genetic Predisposition to Disease
|2 MeSH
650 _ 2 |a Schizophrenia: genetics
|2 MeSH
650 _ 2 |a Schizophrenia: physiopathology
|2 MeSH
650 _ 2 |a Autism Spectrum Disorder: genetics
|2 MeSH
650 _ 2 |a Dementia: genetics
|2 MeSH
650 _ 2 |a Middle Aged
|2 MeSH
650 _ 2 |a Mental Disorders: genetics
|2 MeSH
650 _ 2 |a Aged, 80 and over
|2 MeSH
700 1 _ |a de Rojas, Itziar
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700 1 _ |a Dalmasso, Maria Carolina
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700 1 _ |a Fernandez, Maria Victoria
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700 1 _ |a de Boer, Sterre C M
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700 1 _ |a Ramirez, Alfredo
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700 1 _ |a Priller, Josef
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700 1 _ |a Laske, Christoph
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700 1 _ |a Kleineidam, Luca
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700 1 _ |a Schneider, Anja
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700 1 _ |a Wagner, Michael
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700 1 _ |a Heilmann-Heimbach, Stefanie
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700 1 _ |a Scherer, Martin
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700 1 _ |a Froelich, Lutz
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700 1 _ |a Peters, Oliver
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700 1 _ |a Hellmann-Regen, Julian David Nicolai
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700 1 _ |a Wiltfang, Jens
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700 1 _ |a Düzel, Emrah
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700 1 _ |a Buerger, Katharina
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700 1 _ |a Perneczky, Robert
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700 1 _ |a Kornhuber, Johannes
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700 1 _ |a Lemstra, Afina W
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700 1 _ |a Pijnenburg, Yolande A L
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700 1 _ |a van der Lee, Sven J
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700 1 _ |a Reus, Lianne M
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773 _ _ |a 10.1080/09540261.2025.2600619
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