Cited by 263Barrier Structure and Function StudiesAlzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 19 of the 19 references it cites were found in a registry or an index.

Cerebrovascular Effects of Apolipoprotein E: Implications for Alzheimer Disease

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Zlokovic, Berislav V.·2013·JAMA Neurology

Abstract

Human apolipoprotein E (apoE) has 3 isoforms: apoE2, apoE3, and apoE4. APOE4 is a major genetic risk factor for Alzheimer disease and is associated with dementia in Down syndrome and poor neurological outcome after traumatic brain injury, cerebral hemorrhage, and other neuropathological disorders. While apoE4 can induce neuropathology by participating in various cellular and molecular pathways, herein I review data supporting the hypothesis that apoE4 has direct toxic effects on the cerebrovascular system that in turn can lead to secondary neuronal dysfunction and degeneration as well as accumulation of neurotoxins in brain such as β-amyloid (Aβ) in Alzheimer disease. I review Aβ-independent cerebrovascular effects of apoE, particularly activation of a proinflammatory cyclophilin A-mediated pathway in brain vascular pericytes by apoE4 that has recently been shown to lead to a loss of cerebrovascular integrity and blood-brain barrier breakdown causing neuronal injury. I also review Aβ-dependent cerebrovascular effects of apoE such as faulty Aβ clearance from brain to circulation by apoE4. Finally, I discuss isoform-specific interactions of apoE with low-density lipoprotein receptor-related protein 1 on brain vascular cells (ie, endothelial cells, pericytes), which play an important role in Aβ-independent and Aβ-dependent effects of apoE on cerebral vasculature.

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Metadata

Authors
Zlokovic, B. V.
Venue
JAMA Neurology
Published
2013-04-01
Volume
70
Issue
4
Pages
440
ISSN
2168-6149 (ISSN-L)
OpenAlex
W1994259160
Cited by
263
References
19
Citations by year
2026: 9 · 2025: 15 · 2024: 13 · 2023: 15 · 2022: 17 · 2021: 21 · 2020: 14 · 2019: 17 · 2018: 17 · 2017: 23 · 2016: 24 · 2015: 30 · 2014: 42 · 2013: 5
FWCI
18.90
Type
journal article
Language
en
Open access
Locations
  • JAMA Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (NS34467)
  • National Institute on Aging (R01AG023084, R01AG039452, AG23084, R37AG023084, AG039452, RF1AG039452)
  • National Institute of Neurological Disorders and Stroke (R37NS034467, NS34467, R01NS034467)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
apolipoprotein E, APOE ε4, APOE isoforms, cerebrovascular dysfunction, Alzheimer's disease, amyloid-beta, blood-brain barrier disruption, cyclophilin A, vascular pericytes, neuroinflammation, amyloid clearance, LDL receptor-related protein 1, cerebral vasculature, Down syndrome, traumatic brain injury, cerebral hemorrhage
MeSH terms
Alzheimer Disease, Animals, Apolipoproteins E, Blood-Brain Barrier, Cerebrovascular Circulation, Humans, Amyloid beta-Peptides, NF-kappa B, Matrix Metalloproteinase 9, Cyclophilin A

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