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Brain Pathol. 2012 Jan;22(1):99-109. doi: 10.1111/j.1750-3639.2011.00545.x.

Autophagy in dementias.

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1
Department of Biomedicine, University of Aarhus, Aarhus, Denmark.

Erratum in

  • Brain Pathol. 2012 Mar;22(2):259. Wyss-Corey, Tony [corrected to Wyss-Coray, Tony].

Abstract

Dementias are a varied group of disorders typically associated with memory loss, impaired judgment and/or language and by symptoms affecting other cognitive and social abilities to a degree that interferes with daily functioning. Alzheimer's disease (AD) is the most common cause of a progressive dementia, followed by dementia with Lewy bodies (DLB), frontotemporal dementia (FTD), (VaD) and HIV-associated neurocognitive disorders (HAND). The pathogenesis of this group of disorders has been linked to the abnormal accumulation of proteins in the brains of affected individuals, which in turn has been related to deficits in protein clearance. Autophagy is a key cellular protein clearance pathway with proteolytic cleavage and degradation via the ubiquitin-proteasome pathway representing another important clearance mechanism. Alterations in the levels of autophagy and the proteins associated with the autophagocytic pathway have been reported in various types of dementias. This review will examine recent literature across these disorders and highlight a common theme of altered autophagy across the spectrum of the dementias.

PMID:
22150925
PMCID:
PMC3243049
DOI:
10.1111/j.1750-3639.2011.00545.x
[Indexed for MEDLINE]
Free PMC Article
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