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Systematic appraisa...
Systematic appraisal using immunohistochemistry of brain pathology in aged and demented subjects.
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Aho, Leena (författare)
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Parkkinen, Laura (författare)
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Pirttila, Tuula (författare)
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- Alafuzoff, Irina (författare)
- Department of Neuroscience and Neurology, University of Kuopio Finland
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(creator_code:org_t)
- 2008-04-03
- 2008
- Engelska.
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Ingår i: Dementia and Geriatric Cognitive Disorders. - : S. Karger AG. - 1420-8008 .- 1421-9824. ; 25:5, s. 423-32
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- BACKGROUND/AIMS: Abnormal processing of hyperphosphorylated tau (HPtau), amyloid-beta (Abeta) and alpha-synuclein (alphaS) proteins is considered as causative with regard to the clinical symptoms in age-related neurodegenerative diseases.METHODS: In this retrospective, postmortem study applying immunohistochemical methodology, we assessed Alzheimer's-disease (AD)-related HPtau and Abeta pathology in 178 subjects with alphaS pathology.RESULTS: These pathologies were frequently seen concomitantly, i.e. HPtau in 83% and Abeta in 62% of the alphaS-positive cases. Furthermore, the striatum was frequently involved, particularly in subjects with cognitive impairment (65%). The predictive value of widespread HPtau pathology, i.e. stages V-VI, with respect to cognitive impairment was high, since all 18 subjects presenting with this stage were demented. In contrast, the predictive value of widespread alphaS pathology, i.e. stages 5-6 according to Braak's Parkinson disease staging, was debatable. Fifty-three percent of the subjects with widespread alphaS pathology and no or mild AD-related HPtau pathology were cognitively unimpaired. It is noteworthy that striatal Abeta pathology was more often seen in demented subjects independently of HPtau and/or alphaS status.CONCLUSION: The causative pathology in subjects with clinically diagnosed dementia with Lewy bodies needs to be clarified in future studies.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
Nyckelord
- Pathology
- Patologi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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