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18F-AV-1451 tau PET...
18F-AV-1451 tau PET imaging correlates strongly with tau neuropathology in MAPT mutation carriers
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- Smith, Ruben (författare)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Skåne University Hospital
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- Puschmann, Andreas (författare)
- Lund University,Lunds universitet,Neurologi, Lund,Sektion IV,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Klinisk neurogenetik,Forskargrupper vid Lunds universitet,Neurology, Lund,Section IV,Department of Clinical Sciences, Lund,Faculty of Medicine,Clinical Neurogenetics,Lund University Research Groups,Skåne University Hospital
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- Schöll, Michael, 1980 (författare)
- University of Gothenburg,Lund University,Lunds universitet,Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi, sektionen för klinisk neurovetenskap och rehabilitering,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience and Rehabilitation,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups
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- Ohlsson, T. (författare)
- Skåne University Hospital
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- van Swieten, J. (författare)
- Erasmus University Medical Center
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- Honer, M. (författare)
- Roche Innovation Center
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- Englund, Elisabet (författare)
- Lund University,Lunds universitet,Tumörmikromiljö,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Tumor microenvironment,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Hansson, Oskar (författare)
- Lund University,Lunds universitet,Klinisk minnesforskning,Forskargrupper vid Lunds universitet,Clinical Memory Research,Lund University Research Groups
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(creator_code:org_t)
- 2016-06-29
- 2016
- Engelska.
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Ingår i: Brain. - : Oxford University Press (OUP). - 0006-8950 .- 1460-2156. ; 139:9, s. 2372-2379
- Relaterad länk:
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https://academic.oup...
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http://dx.doi.org/10... (free)
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Tau positron emission tomography ligands provide the novel possibility to image tau pathologyin vivo. However, little is known about howin vivo brain uptake of tau positron emission tomography ligands relates to tau aggregates observed post-mortem. We performed tau positron emission tomography imaging with F-18-AV-1451 in three patients harbouring a p.R406W mutation in theMAPT gene, encoding tau. This mutation results in 3- and 4-repeat tau aggregates similar to those in Alzheimer's disease, and many of the mutation carriers initially suffer from memory impairment and temporal lobe atrophy. Two patients with short disease duration and isolated memory impairment exhibited F-18-AV-1451 uptake mainly in the hippocampus and adjacent temporal lobe regions, correlating with glucose hypometabolism in corresponding regions. One patient died after 26 years of disease duration with dementia and behavioural deficits. Pre-mortem, there was F-18-AV-1451 uptake in the temporal and frontal lobes, as well as in the basal ganglia, which strongly correlated with the regional extent and amount of tau pathology in post-mortem brain sections. Amyloid-beta (F-18-flutemetamol) positron emission tomography scans were negative in all cases, as were stainings of brain sections for amyloid. This provides strong evidence that F-18-AV-1451 positron emission tomography can be used to accurately quantifyin vivo the regional distribution of hyperphosphorylated tau protein.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- tau
- frontotemporal dementia
- Alzheimer's disease
- positron emission tomography
- MAPT R406W mutation
- positron-emission-tomography
- alzheimer-disease
- presenile-dementia
- bitemporal atrophy
- r406w mutation
- ftdp-17
- brain
- hypometabolism
- patient
- Neurosciences & Neurology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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