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FältnamnIndikatorerMetadata
00005886naa a2200409 4500
001oai:gup.ub.gu.se/337771
003SwePub
008240910s2024 | |||||||||||000 ||eng|
024a https://gup.ub.gu.se/publication/3377712 URI
024a https://doi.org/10.1093/brain/awae0322 DOI
040 a (SwePub)gu
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Nilsson, Johanna,d 1993u Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xnijoy
2451 0a Cerebrospinal fluid biomarker panel for synaptic dysfunction in a broad spectrum of neurodegenerative diseases.
264 1c 2024
520 a Synaptic dysfunction and degeneration is likely the key pathophysiology for the progression of cognitive decline in various dementia disorders. Synaptic status can be monitored by measurement of synaptic proteins in cerebrospinal fluid (CSF). In the current study, the aim was to investigate and compare both known and new synaptic proteins as potential biomarkers of synaptic dysfunction, especially in the context of Alzheimer's disease (AD). Seventeen synaptic proteins were quantified in CSF using two different targeted mass spectrometry assays in the prospective Swedish BioFINDER-2 study. The study included 958 individuals, characterized as having mild cognitive impairment (MCI, n=205), AD dementia (n=149), and a spectrum of other neurodegenerative diseases (n=171), as well as cognitively unimpaired (CU, n=443). Synaptic protein levels were compared between diagnostic groups and their associations with cognitive decline and key neuroimaging measures (Aβ-PET, tau-PET, and cortical thickness) were assessed. Among the 17 synaptic proteins examined, 14 were specifically elevated in the AD continuum. SNAP-25, 14-3-3 zeta/delta, beta-synuclein, and neurogranin exhibited the highest discriminatory accuracy to differentiate AD dementia from controls (AUCs=0.81-0.93). SNAP-25 and 14-3-3 zeta/delta also had the strongest associations with tau-PET, Aβ-PET, and cortical thickness at baseline, and were associated with longitudinal changes in these imaging biomarkers (β(SE)=-0.056(0.0006) to 0.058(0.005), p<0.0001). SNAP-25 was the strongest predictor of progression to AD dementia in non-demented individuals (Hazard ratio=2.11). In contrast, neuronal pentraxins were decreased in all neurodegenerative diseases (except for Parkinson's disease), and NPTX2 showed the strongest associations with subsequent cognitive decline (longitudinal MMSE; β(SE)=0.57(0.1), p≤0.0001 and mPACC; β(SE)=0.095(0.024), p≤0.001) across the AD continuum. Interestingly, utilizing a ratio of the proteins that displayed higher levels in AD, such as SNAP-25 or 14-3-3 zeta/delta, over NPTX2 improved the biomarkers' association with cognitive decline and brain atrophy. We found that especially 14-3-3 zeta/delta and SNAP-25 are promising synaptic biomarkers of pathophysiological changes in AD. Neuronal pentraxins were identified as general indicators of neurodegeneration and associated with cognitive decline across various neurodegenerative dementias. The ratios of SNAP-25/NPTX2 and 14-3-3 zeta/delta/NPTX2 were found to best predict cognitive decline and brain atrophy.
650 7a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Neurovetenskaper0 (SwePub)301052 hsv//swe
650 7a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Neurosciences0 (SwePub)301052 hsv//eng
700a Pichet Binette, Alexa4 aut
700a Palmqvist, Sebastian4 aut
700a Scheeren Brum, Wagner,d 1997u Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xschew
700a Janelidze, Shorena4 aut
700a Ashton, Nicholas J.u Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xashtn
700a Spotorno, Nicola4 aut
700a Stomrud, Erik4 aut
700a Gobom, Johanu Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xgobjo
700a Zetterberg, Henrik,d 1973u Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xzethe
700a Brinkmalm, Annu Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xbrian
700a Blennow, Kaj,d 1958u Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry4 aut0 (Swepub:gu)xbleka
700a Hansson, Oskar4 aut
710a Göteborgs universitetb Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi4 org
773t Brain : a journal of neurologyx 1460-2156
8564 8u https://gup.ub.gu.se/publication/337771
8564 8u https://doi.org/10.1093/brain/awae032

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