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Recent rodent models for Alzheimer’s disease: clinical implications and basic research

Recent rodent models for Alzheimer’s disease: clinical implications and basic research Alzheimer’s disease (AD) is the most common origin of dementia in the elderly. Although the cause of AD remains unknown, several factors have been identified that appear to play a critical role in the development of this debilitating disorder. In particular, amyloid precursor protein (APP), tau hyperphosphorylation, and the secretase enzymes, have become the focal point of recent research. Over the last two decades, several transgenic and non-transgenic animal models have been developed to elucidate the mechanistic aspects of AD and to validate potential therapeutic targets. Transgenic rodent models over-expressing human β-amyloid precursor protein (β-APP) and mutant forms of tau have become precious tools to study and understand the pathogenesis of AD at the molecular, cellular and behavioural levels, and to test new therapeutic agents. Nevertheless, none of the transgenic models of AD recapitulate fully all of the pathological features of the disease. Octodon degu , a South American rodent has been recently found to spontaneously develop neuropathological signs of AD in old age. This review aims to address the limitations and clinical relevance of transgenic rodent models in AD, and to highlight the potential for O. degu as a natural model for the study of AD neuropathology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neural Transmission Springer Journals

Recent rodent models for Alzheimer’s disease: clinical implications and basic research

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References (199)

Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer-Verlag
Subject
Medicine & Public Health; Neurosciences; Pharmacology/Toxicology; Psychiatry; Neurology
ISSN
0300-9564
eISSN
1435-1463
DOI
10.1007/s00702-011-0731-5
pmid
22086139
Publisher site
See Article on Publisher Site

Abstract

Alzheimer’s disease (AD) is the most common origin of dementia in the elderly. Although the cause of AD remains unknown, several factors have been identified that appear to play a critical role in the development of this debilitating disorder. In particular, amyloid precursor protein (APP), tau hyperphosphorylation, and the secretase enzymes, have become the focal point of recent research. Over the last two decades, several transgenic and non-transgenic animal models have been developed to elucidate the mechanistic aspects of AD and to validate potential therapeutic targets. Transgenic rodent models over-expressing human β-amyloid precursor protein (β-APP) and mutant forms of tau have become precious tools to study and understand the pathogenesis of AD at the molecular, cellular and behavioural levels, and to test new therapeutic agents. Nevertheless, none of the transgenic models of AD recapitulate fully all of the pathological features of the disease. Octodon degu , a South American rodent has been recently found to spontaneously develop neuropathological signs of AD in old age. This review aims to address the limitations and clinical relevance of transgenic rodent models in AD, and to highlight the potential for O. degu as a natural model for the study of AD neuropathology.

Journal

Journal of Neural Transmission – Springer Journals

Published: Feb 1, 2012

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