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CSF neurogranin or tau distinguish typical and atypical Alzheimer disease

Wellington, H. (författare)
Paterson, R. W. (författare)
Suarez-Gonzalez, A. (författare)
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Poole, T. (författare)
Frost, C. (författare)
Sjobom, U. (författare)
Slattery, C. F. (författare)
Magdalinou, N. K. (författare)
Lehmann, M. (författare)
Portelius, Erik, 1977 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
Fox, N. C. (författare)
Blennow, Kaj, 1958 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
Zetterberg, Henrik, 1973 (författare)
Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi,Institute of Neuroscience and Physiology, Department of Psychiatry and Neurochemistry
Schott, J. M. (författare)
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2018
2018
Engelska.
Ingår i: Annals of Clinical and Translational Neurology. - 2328-9503. ; 5:2, s. 162-171
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
Stäng  
  • Objective: To assess whether high levels of cerebrospinal fluid neurogranin are found in atypical as well as typical Alzheimer's disease. Methods: Immunoassays were used to measure cerebrospinal fluid neurogranin in 114 participants including healthy controls (n=27), biomarker-proven amnestic Alzheimer's disease (n=68), and the atypical visual variant of Alzheimer's (n=19) according to international criteria. CSF total-tau, A beta 42, and neurofilament light concentrations were investigated using commercially available assays. All affected individuals had T1-weighted volumetric MR images available for analysis of whole and regional brain volumes. Associations between neurogranin, brain volumes, total-tau, A beta 42, and neurofilament light were assessed. Results: Median cerebrospinal fluid neurogranin concentrations were higher in typical and atypical Alzheimer's compared to controls (P<0.001 and P=0.005). Both neurogranin and total-tau concentrations, but not neurofilament light and A beta 42, were higher in typical Alzheimer's compared to atypical patients (P=0.004 and P=0.03). There were significant differences in the left hippocampus and right and left superior parietal lobules in atypical patients, which were larger (P=0.03) and smaller (P=0.001 and P<0.001), respectively, compared to typical patients. We found no evidence of associations between neurogranin and brain volumes but a strong association with total-tau (P<0.001) and a weaker association with neurofilament light (P=0.005). Interpretation: These results show significant differences in neurogranin and total-tau between typical and atypical patients, which may relate to factors other than disease topography. The differential relationships between neurogranin, total-tau and neurofilament light in the Alzheimer's variants, provide evidence for mechanistically distinct and coupled markers of neurodegeneration.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine (hsv//eng)

Nyckelord

posterior cortical atrophy
cerebrospinal-fluid biomarkers
neurofilament light
cognitive impairment
neuronal-activity
synapse
loss
in-vivo
dementia
association
sclerosis

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ref (ämneskategori)
art (ämneskategori)

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