Cited by 30Alzheimer's disease research and treatmentsGenetic Associations and EpidemiologyDementia and Cognitive Impairment Research

Translating Alzheimer’s disease-associated polymorphisms into functional candidates: a survey of IGAP genes and SNPs

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Katsumata, Yuriko, Nelson, Peter T., Estus, Steven, Fardo, David W.·2019·Neurobiology of Aging

Abstract

The International Genomics of Alzheimer's Project (IGAP) is a consortium for characterizing the genetic landscape of Alzheimer's disease (AD). The identified and/or confirmed 19 single-nucleotide polymorphisms (SNPs) associated with AD are located on non-coding DNA regions, and their functional impacts on AD are as yet poorly understood. We evaluated the roles of the IGAP SNPs by integrating data from many resources, based on whether the IGAP SNP was (1) a proxy for a coding SNP or (2) associated with altered mRNA transcript levels. For (1), we confirmed that 12 AD-associated coding common SNPs and five nonsynonymous rare variants are in linkage disequilibrium with the IGAP SNPs. For (2), the IGAP SNPs in CELF1 and MS4A6A were associated with expression of their neighboring genes, MYBPC3 and MS4A6A, respectively, in blood. The IGAP SNP in DSG2 was an expression quantitative trait loci (eQTL) for DLGAP1 and NETO1 in the human frontal cortex. The IGAP SNPs in ABCA7, CD2AP, and CD33 each acted as eQTL for AD-associated genes in brain. Our approach for identifying proxies and examining eQTL highlighted potentially impactful, novel gene regulatory phenomena pertinent to the AD phenotype.

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Crossref · 10.1016/j.neurobiolaging.2018.10.017

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  • Several studies have performed targeted analysis of the impact of identified AD SNPs on brain-specific gene expression.

    “Several studies have performed targeted analysis of the impact of identified AD SNPs on brain-specific gene expression [200–202].”

    From Genetic architecture of Alzheimer's disease (2020) · cites this paper as [201]

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Authors
Katsumata, Y., Nelson, P. T., Estus, S., & Fardo, D. W.
Affiliations
University of Kentucky (US)
Corresponding author
Katsumata, Yuriko
Venue
Neurobiology of Aging
Publisher
Elsevier BV
Published
2019-02
Volume
74
Pages
135-146
ISSN
0197-4580 (ISSN-L)
OpenAlex
W2896335844
Cited by
30
References
80
Citations by year
2026: 1 · 2025: 2 · 2024: 3 · 2023: 6 · 2022: 7 · 2021: 4 · 2020: 4 · 2019: 3
FWCI
1.89
Type
journal article
Language
en
Open access
Locations
  • Neurobiology of Aging (acceptedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Cell Repository for Alzheimer's Disease (U24 AG21886)
  • National Institute on Aging (K25 AG043546, UL1TR000117, UK-ADC P30 AG028383, R01 AG045775, R01 AG057187)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, single nucleotide polymorphisms, non-coding variants, linkage disequilibrium, expression quantitative trait loci, gene expression regulation, CELF1, MS4A6A, MYBPC3, desmoglein 2, DLGAP1, Neto1, ABCA7, CD2AP, CD33, blood gene expression
MeSH terms
CELF1 Protein, SAP90-PSD95 Associated Proteins, Myosin Binding Protein C, Aged, Aged, 80 and over, Alzheimer Disease, Carrier Proteins, Female, Humans, Male, Membrane Proteins, RNA, Messenger, Transcription, Genetic, Linkage Disequilibrium, Receptors, N-Methyl-D-Aspartate, Polymorphism, Single Nucleotide, RNA, Untranslated, Quantitative Trait Loci, Desmoglein 2, Genetic Association Studies

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