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Neurites containing the neurofilament-triplet proteins are selectively vulnerable to cytoskeletal pathology in Alzheimer's disease and transgenic mouse models

Citation

Mitew, S and Kirkcaldie, MTK and Dickson, TC and Vickers, JC, Neurites containing the neurofilament-triplet proteins are selectively vulnerable to cytoskeletal pathology in Alzheimer's disease and transgenic mouse models, Frontiers in Neuroanatomy, 7 Article 30. ISSN 1662-5129 (2013) [Refereed Article]


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Copyright Statement

Copyright © 2013 Mitew, Kirkcaldie, Dickson and Vickers. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

DOI: doi:10.3389/fnana.2013.00030

Abstract

Amyloid-β plaque accumulation in Alzheimer's disease (AD) is associated with dystrophic neurite (DN) formation and synapse loss in principal neurons, but interneuron pathology is less clearly characterized. We compared the responses of neuronal processes immunoreactive for either neurofilament triplet (NF+) or calretinin (CR+) to fibrillar amyloid (Aβ) plaques in human end-stage and preclinical AD, as well as in APP/PS1 and Tg2576 transgenic mouse AD models. Neurites traversing the Aβ plaque core, edge, or periphery, defined as 50, 100, and 150% of the plaque diameter, respectively, in human AD and transgenic mouse tissue were compared to age-matched human and wild-type mouse controls. The proportion of NF+ neurites exhibiting dystrophic morphology (DN) was significantly larger than the proportion of dystrophic CR+ neurites in both human AD and transgenic mice (p < 0.01). Additionally, the number of NF+, but not CR+, DNs, correlated with Aβ plaque size. We conclude that CR+ interneurons appear to be more resistant than NF+ neurons to AD-mediated cytoskeletal pathology.

Item Details

Item Type:Refereed Article
Keywords:neurofilament triplet, interneuron, dystrophic neurites, amyloid plaque, Alzheimer's disease
Research Division:Biomedical and Clinical Sciences
Research Group:Neurosciences
Research Field:Neurology and neuromuscular diseases
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Mitew, S (Mr Stanislaw Mitew)
UTAS Author:Kirkcaldie, MTK (Dr Matthew Kirkcaldie)
UTAS Author:Dickson, TC (Professor Tracey Dickson)
UTAS Author:Vickers, JC (Professor James Vickers)
ID Code:87106
Year Published:2013
Web of Science® Times Cited:17
Deposited By:Menzies Institute for Medical Research
Deposited On:2013-11-07
Last Modified:2017-11-06
Downloads:351 View Download Statistics

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