ABCA7 expression is associated with Alzheimer's disease polymorphism and disease status
Open accessAbstract
Genome-wide association studies (GWAS) have implicated a series of single nucleotide polymorphisms (SNPs) in Alzheimer's disease (AD) risk. Elucidating the function of these SNPs is critical to identify the underlying pathways and, potentially, novel therapeutic agents. SNPs within the gene ATP binding cassette A7 (ABCA7) reached significance in these studies, warranting investigation into their actions. Here, we analyzed ABCA7 expression in a set of human brain samples as a function of AD-associated SNPs and AD status. We report that the rs3764650T allele that decreases AD risk is associated with increased ABCA7 expression. However, ABCA7 expression is increased in AD individuals. We interpret our findings as suggesting a model wherein increased ABCA7 expression reduces AD risk and that the increased ABCA7 observed in AD reflects an inadequate compensatory change.
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For the 24 signals reported, other evidence indicates that APOE, ABCA7, BIN1, TREM2, SORL1, ADAM10, SPI1, and CR1 are the true Alzheimer's disease risk genes.
“For the 24 signals reported here, other evidence indicates that APOE35,36, ABCA7 (refs. 37–40), BIN1 (ref. 41), TREM2 (refs. 7,8), SORL1 (refs. 42,43), ADAM10 (ref. 44), SPI1 (ref. 45), and CR1 (ref. 46) are the true Alzheimer’s disease risk gene”
From Genetic meta-analysis of diagnosed Alzheimer’s disease identifies new risk loci and implicates Aβ, tau, immunity and lipid processing (2019) · cites this paper as [38]
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- Authors
- Vasquez, J. B., Fardo, D. W., & Estus, S.
- Affiliations
- University of Kentucky (US)
- Corresponding author
- Estus, Steven
- Venue
- Neuroscience Letters
- Publisher
- Elsevier BV
- Published
- 2013-11
- Volume
- 556
- Pages
- 58-62
- ISSN
- 0304-3940 (ISSN-L)
- PMC
- PMC3863933
- OpenAlex
- W2148236605
- Cited by
- 101
- References
- 46
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 7 · 2023: 5 · 2022: 5 · 2021: 5 · 2020: 13 · 2019: 12 · 2018: 9 · 2017: 12 · 2016: 11 · 2015: 11 · 2014: 8
- FWCI
- 6.96
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Neuroscience Letters (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- NIH (National Institutes of Health) (P01-AG030128, P30-AG028383, P20-GM103436)
- University of Kentucky Alzheimer's Center for tissue (P30-AG028383)
- 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
- ABCA7, Alzheimer's disease, single nucleotide polymorphisms, gene expression, brain, genetic risk, compensatory gene expression, ABC transporters
- MeSH terms
- Aged, Aged, 80 and over, Brain, Humans, ATP-Binding Cassette Transporters, Risk Assessment, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genetic Association Studies
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