Cited by 183Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The forgotten APOE allele: A review of the evidence and suggested mechanisms for the protective effect of APOE ɛ2

Suri, Sana, Heise, Verena, Trachtenberg, Aaron J., Mackay, Clare E.·2013·Neuroscience & Biobehavioral Reviews

Abstract

Ongoing efforts to improve survival, and enhance quality of life have led biomedical research to focus on disease and the mechanisms that increase risk for disease. The other side of that coin may be as important, i.e. examining the protective factors that allow some individuals to enjoy long, healthy lives. One of the best examples of a gene that positively influences cognitive health is the apolipoprotein (APOE) ɛ2 allele. The APOE ɛ4 allele is a well-established risk factor for Alzheimer's disease (AD) and has thus dominated the APOE literature, with the putative protective role of ɛ2 receiving little attention. This review describes the effects of APOE ɛ2 on the structure and function of the brain. With a focus on neurodegeneration, we discuss evidence for APOE ɛ2's protective effects, explore some key mechanisms through which this protection may be conferred, and address a few inconsistencies in the literature. Understanding the mechanisms that underlie the association between APOE ɛ2, cognition and longevity may provide new targets for research on promoting life-long health.

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Crossref · 10.1016/j.neubiorev.2013.10.010

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Authors
Suri, S., Heise, V., Trachtenberg, A. J., & Mackay, C. E.
Affiliations
John Radcliffe Hospital (GB)
Corresponding author
Mackay, Clare E.
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2013-12
Volume
37
Issue
10
Pages
2878-2886
ISSN
0149-7634 (ISSN-L)
OpenAlex
W2067079625
Cited by
183
References
126
Citations by year
2026: 6 · 2025: 9 · 2024: 14 · 2023: 15 · 2022: 15 · 2021: 24 · 2020: 26 · 2019: 14 · 2018: 11 · 2017: 14 · 2016: 18 · 2015: 14 · 2014: 3
FWCI
1.29
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • University of Oxford Clarendon scholarship
  • Alzheimer's Research UK studentship
  • Rhodes scholarship
  • National Institute for Health Research (NIHR), UK
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
APOE ε2 allele, APOE ε4, apolipoprotein E, Alzheimer's disease, neuroprotection, cognitive health, longevity, neurodegeneration, brain structure and function, protective genetic factor
MeSH terms
Alleles, Cognition Disorders, Genotype, Humans, Longevity, Risk Factors, Neurodegenerative Diseases, Apolipoprotein E2

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