Cited by 145Cholesterol and Lipid MetabolismAlzheimer's disease research and treatmentsDrug Transport and Resistance Mechanisms

ATP-binding cassette transporter A1: From metabolism to neurodegeneration

Open access
Koldamova, Radosveta, Fitz, Nicholas F., Lefterov, Iliya·2014·Neurobiology of Disease

Abstract

ATP-binding cassette transporter A1 (ABCA1) mediates cholesterol efflux to lipid-free apolipoprotein A-I (apoA-I) and apolipoprotein E (apoE). ABCA1 is an essential regulator of high density lipoproteins (HDL) and reverse cholesterol transport - a role that determines its importance for atherosclerosis. Over the last 10 years studies have provided convincing evidence that ABCA1, via its control of apoE lipidation, also has a role in Alzheimer's disease (AD). A series of reports have revealed a significant impact of ABCA1 on Aβ deposition and clearance in AD model mice, as well as an association of common and rare ABCA1 gene variants with the risk for AD. Since APOE is the major genetic risk factor for late onset AD, the regulation of apoE level or its functionality by ABCA1 may prove significant for AD pathogenesis. ABCA1 is transcriptionally regulated by Liver X Receptors (LXR) and Retinoic X Receptors (RXR) which provides a starting point for drug discovery and development of synthetic LXR and RXR agonists for treatment of metabolic and neurodegenerative disorders. This review summarizes the recent results of research on ABCA1, particularly relevant to atherosclerosis and AD.

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Registry

Crossref · 10.1016/j.nbd.2014.05.007

Cites

143 of 143 references verified0 citation errors · 0 not checkable

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  • ABCA1 indirectly facilitates amyloid β clearance through ApoE lipidation in brain.

    “In addition to its role in lipid transport, ABCA1 also indirectly facilitates amyloid β clearance through ApoE lipidation in brain [6].”

    From Apolipoprotein E metabolism and functions in brain and its role in Alzheimer's disease (2017) · cites this paper as [6]

    The Introduction says ABCA1 affects apoE lipidation and that apoE is implicated in Aβ clearance. In “ABCA1 and AD model mice,” the authors propose that ABCA1-generated apoE-containing particles facilitate clearance in the brain, but present that specific mechanism as a hypothesis rather than an established fact. Page numbers are unavailable in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Deletion of ABCA1 gene increases amyloid β accumulation, whereas its overexpression prevents amyloid β aggregation in amyloid mouse models.

    “Deletion of ABCA1 gene increases amyloid β accumulation, whereas its overexpression prevents amyloid β aggregation in amyloid mouse models [6].”

    From Apolipoprotein E metabolism and functions in brain and its role in Alzheimer's disease (2017) · cites this paper as [6]

    The “ABCA1 and AD model mice” section reports that ABCA1 deficiency increases amyloid plaques and that mice overexpressing ABCA1 in the brain have fewer plaques. It proposes decreased Aβ aggregation as a hypothesis, but does not establish that overexpression prevents aggregation. Page numbers were not provided. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Agonists of nuclear receptors LXR, RXR, and PPAR increased the levels of ABCA1 and decreased amyloid β accumulation in APP mouse models.

    “Agonists of these nuclear receptors increased the levels of ABCA1 and decreased amyloid β accumulation in APP mouse models [6].”

    From Apolipoprotein E metabolism and functions in brain and its role in Alzheimer's disease (2017) · cites this paper as [6]

    The “ABCA1 and Alzheimer’s disease” section reports that LXR and RXR ligands increase Abca1 expression in mice and ameliorate amyloid pathology; “Therapeutic implications” discusses these effects in APP mice. The paper says PPARs regulate ABCA1 transcription, but does not report that PPAR agonists both increased ABCA1 and decreased amyloid accumulation in APP mice. It also notes that follow-up studies did not confirm the reported plaque reduction with the RXR agonist bexarotene. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • ABCA1 is a major cholesterol transporter that transfers cellular cholesterol onto lipid-poor apolipoproteins and regulates ApoE lipidation in the brain.

    “ATP-binding cassette transporter A1 (ABCA1) is a major cholesterol transporter that transfers cellular cholesterol onto lipid-poor apolipoproteins and regulates ApoE lipidation in the brain (Koldamova et al., 2014).”

    From microRNA-33 Regulates ApoE Lipidation and Amyloid-β Metabolism in the Brain (2015) · cites this paper as Koldamova et al., 2014

  • Improvement of ApoE lipidation inhibits amyloid deposition in APP mouse models.

    “Previous animal studies demonstrated that improvement of ApoE lipidation inhibits amyloid deposition in APP mouse models.”

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Cites

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3 of the 146 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. Wahrle SE 2008b Overexpression of ABCA1 reduces amyloid deposition in the PDAPP mouse model of Alzheimer disease J Clin Invest 118 671 82 18202749 PMC2200302

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Authors
Koldamova, R., Fitz, N. F., & Lefterov, I.
Affiliations
University of Pittsburgh (US)
Corresponding author
  • Koldamova, Radosveta
  • Lefterov, Iliya
Venue
Neurobiology of Disease
Publisher
Elsevier BV
Published
2014-12
Volume
72
Pages
13-21
ISSN
0969-9961 (ISSN-L)
OpenAlex
W2013375919
Cited by
144
References
146
Citations by year
2026: 11 · 2025: 22 · 2024: 6 · 2023: 18 · 2022: 12 · 2021: 12 · 2020: 6 · 2019: 12 · 2018: 11 · 2017: 11 · 2016: 10 · 2015: 11 · 2014: 2
FWCI
2.14
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Disease (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • NIH (R01AG037481, R01AG037919, R21ES021243, K01AG044490)
  • DOD (W81XWH-13-1-0384)
Topics
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Oncology › Drug Transport and Resistance Mechanisms
Keywords
ABCA1, ABC transporters, Alzheimer's disease, atherosclerosis, reverse cholesterol transport, high-density lipoprotein, apolipoprotein E, apolipoprotein A-I, amyloid-beta clearance, liver X receptor, retinoid X receptor, LXR agonists, RXR agonists, cholesterol efflux, neurodegeneration
MeSH terms
Alzheimer Disease, Animals, Apolipoproteins E, Brain, Disease Models, Animal, Humans, Risk Factors, Tangier Disease, Amyloid beta-Peptides, Atherosclerosis, Mice, ATP Binding Cassette Transporter 1

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