ApoE4 (apolipoprotein E4) is the major known genetic risk factor for AD (Alzheimer's disease). In most clinical studies, apoE4 carriers account for 65–80% of all AD cases, highlighting the importance of apoE4 in AD pathogenesis. Emerging data suggest that apoE4, with its multiple cellular origins and multiple structural and biophysical properties, contributes to AD in multiple ways either independently or in combination with other factors, such as Aβ (amyloid β-peptide) and tau. Many apoE mouse models have been established to study the mechanisms underlying the pathogenic actions of apoE4. These include transgenic mice expressing different apoE isoforms in neurons or astrocytes, those expressing neurotoxic apoE4 fragments in neurons and human apoE isoform knock-in mice. Since apoE is expressed in different types of cells, including astrocytes and neurons, and in brains under diverse physiological and/or pathophysiological conditions, these apoE mouse models provide unique tools to study the cellular source-dependent roles of apoE isoforms in neurobiology and in the pathogenesis of AD. They also provide useful tools for discovery and development of drugs targeting apoE4's detrimental effects.
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Conference Article|
July 20 2011
Roles of apolipoprotein E4 (ApoE4) in the pathogenesis of Alzheimer's disease: lessons from ApoE mouse models
Yadong Huang
Yadong Huang
1
1Gladstone Institute of Neurological Disease, University of California, San Francisco, San Francisco, CA 94158, U.S.A., Gladstone Institute of Cardiovascular Disease, University of California, San Francisco, CA 94158, U.S.A., Department of Pathology, University of California, San Francisco, CA 94158, U.S.A., and Department of Neurology, University of California, San Francisco, CA 94158, U.S.A.
1email yhuang@gladstone.ucsf.edu
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Publisher: Portland Press Ltd
Received:
February 27 2011
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© The Authors Journal compilation © 2011 Biochemical Society
2011
Biochem Soc Trans (2011) 39 (4): 924–932.
Article history
Received:
February 27 2011
Citation
Yadong Huang; Roles of apolipoprotein E4 (ApoE4) in the pathogenesis of Alzheimer's disease: lessons from ApoE mouse models. Biochem Soc Trans 1 August 2011; 39 (4): 924–932. doi: https://doi.org/10.1042/BST0390924
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