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β-Amyloid binding i...
β-Amyloid binding in elderly subjects with declining or stable episodic memory function measured with PET and [11C]AZD2184
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- Mattsson, Patrik (författare)
- Karolinska Institutet
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- Forsberg, Anton (författare)
- Karolinska Institutet
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- Persson, Jonas, 1971- (författare)
- Stockholms universitet,Karolinska Institutet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI)
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- Nyberg, Lars (författare)
- Umeå universitet,Diagnostisk radiologi
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- Nilsson, Lars-Göran (författare)
- Stockholms universitet,Centrum för forskning om äldre och åldrande (ARC), (tills m KI)
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- Halldin, Christer (författare)
- Karolinska Institutet
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- Farde, Lars (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2015-06-27
- 2015
- Engelska.
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Ingår i: European Journal of Nuclear Medicine and Molecular Imaging. - : Springer. - 1619-7070 .- 1619-7089. ; 42:10, s. 1507-1511
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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http://kipublication...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Purpose: Cognitive decline has been suggested as an early marker for later onset of Alzheimer's disease. We therefore explored the relationship between decline in episodic memory and β-amyloid using positron emission tomography (PET) and [11C]AZD2184, a radioligand with potential to detect low levels of amyloid deposits.Methods: Healthy elderly subjects with declining (n = 10) or stable (n = 10) episodic memory over 15 years were recruited from the population-based Betula study and examined with PET. Brain radioactivity was measured after intravenous administration of [11C]AZD2184 The binding potential BP ND was calculated using linear graphical analysis with the cerebellum as reference region.Results: The binding of [11C]AZD2184 in total grey matter was generally low in the declining group, whereas some binding could be observed in the stable group. Mean BP ND was significantly higher in the stable group compared to the declining group (p = 0.019). An observation was that the three subjects with the highest BPND were ApoE ε4 allele carriers.Conclusions: We conclude that cognitive decline in the general population does not seem to stand by itself as an early predictor for amyloid deposits.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Nyckelord
- aging
- amyloid
- cognitive decline
- positron emission tomography
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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