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CSF Synaptic Biomar...
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Milà-Alomà, Marta
(author)
CSF Synaptic Biomarkers in the Preclinical Stage of Alzheimer Disease and Their Association With MRI and PET: A Cross-sectional Study.
- Article/chapterEnglish2021
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LIBRIS-ID:oai:gup.ub.gu.se/310891
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https://gup.ub.gu.se/publication/310891URI
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https://doi.org/10.1212/WNL.0000000000012853DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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To determine whether CSF synaptic biomarkers are altered in the early preclinical stage of the Alzheimer continuum and associated with Alzheimer disease (AD) risk factors, primary pathology, and neurodegeneration markers.This cross-sectional study was performed in the Alzheimer's and Families (ALFA+) cohort, comprising middle-aged cognitively unimpaired participants. CSF neurogranin and growth-associated protein-43 (GAP-43) were measured with immunoassays, and synaptosomal-associated protein-25 (SNAP-25) and synaptotagmin-1 were measured with immunoprecipitation mass spectrometry. AD CSF biomarkers β-amyloid (Aβ)42/40, phosphorylated tau (p-tau), and total tau and the neurodegeneration biomarker neurofilament light chain (NfL) were also measured. Participants underwent structural MRI and fluorodeoxyglucose and Aβ PET imaging. General linear modeling was used to test the associations between CSF synaptic biomarkers and risk factors, Aβ pathology, tau pathology, and neurodegeneration markers.All CSF synaptic biomarkers increased with age. CSF neurogranin was higher in females, while CSF SNAP-25 was higher in APOE ε4 carriers. All CSF synaptic biomarkers increased with higher Aβ load (as measured by CSF Aβ42/40 and Aβ PET Centiloid values), and it is important to note that the synaptic biomarkers were increased even in individuals in the earliest stages of Aβ deposition. Higher CSF synaptic biomarkers were also associated with higher CSF p-tau and NfL. Higher CSF neurogranin and GAP-43 were significantly associated with higher brain metabolism but lower cortical thickness in AD-related brain regions.CSF synaptic biomarkers increase in the early preclinical stages of the Alzheimer continuum even when a low burden of Aβ pathology is present, and they differ in their association with age, sex, APOE ε4, and markers of neurodegeneration.ClinicalTrials.gov Identifier NCT02485730.
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Brinkmalm, AnnGothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xbrian
(author)
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Ashton, Nicholas J.Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xashtn
(author)
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Kvartsberg, Hlin,1987Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xjohhl
(author)
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Shekari, Mahnaz
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Operto, Grégory
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Salvadó, Gemma
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Falcon, Carles
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Gispert, Juan Domingo
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Vilor-Tejedor, Natalia
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Arenaza-Urquijo, Eider M
(author)
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Grau-Rivera, Oriol
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Sala-Vila, Aleix
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Sanchez-Benavides, Gonzalo
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González-de-Echávarri, José María
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Minguillon, Carolina
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Fauria, Karine
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Niñerola-Baizán, Aida
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Perissinotti, Andrés
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Kollmorgen, Gwendlyn
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Suridjan, Ivonne
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Zetterberg, Henrik,1973Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xzethe
(author)
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Molinuevo, José Luis
(author)
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Blennow, Kaj,1958Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry(Swepub:gu)xbleka
(author)
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Suárez-Calvet, Marc
(author)
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Göteborgs universitetInstitutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi
(creator_code:org_t)
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Operto, Grégory
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Salvadó, Gemma
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Grau-Rivera, Ori ...
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Perissinotti, An ...
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