Cited by 487Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchGenetic Associations and Epidemiology

GAB2 Alleles Modify Alzheimer's Risk in APOE ɛ4 Carriers

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Reiman, Eric M., Webster, Jennifer A., Myers, Amanda J., Hardy, John, Dunckley, Travis, Zismann, Victoria L., Joshipura, Keta D., Pearson, John V. +26 more·2007·Neuron

Abstract

The apolipoprotein E (APOE) epsilon4 allele is the best established genetic risk factor for late-onset Alzheimer's disease (LOAD). We conducted genome-wide surveys of 502,627 single-nucleotide polymorphisms (SNPs) to characterize and confirm other LOAD susceptibility genes. In epsilon4 carriers from neuropathologically verified discovery, neuropathologically verified replication, and clinically characterized replication cohorts of 1411 cases and controls, LOAD was associated with six SNPs from the GRB-associated binding protein 2 (GAB2) gene and a common haplotype encompassing the entire GAB2 gene. SNP rs2373115 (p = 9 x 10(-11)) was associated with an odds ratio of 4.06 (confidence interval 2.81-14.69), which interacts with APOE epsilon4 to further modify risk. GAB2 was overexpressed in pathologically vulnerable neurons; the Gab2 protein was detected in neurons, tangle-bearing neurons, and dystrophic neuritis; and interference with GAB2 gene expression increased tau phosphorylation. Our findings suggest that GAB2 modifies LOAD risk in APOE epsilon4 carriers and influences Alzheimer's neuropathology.

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Crossref · 10.1016/j.neuron.2007.05.022

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  • Prior genome-wide association studies of AD all identified strong evidence for association to APOE but less convincing evidence implicating other genes.

    “All have identified strong evidence for association to APOE, but less convincing evidence implicating other genes2 -9 .”
  • rs541458 was directly genotyped in the extension sample, the TGEN study and the Li et al. study, with p<0.05 in each, and in meta-analysis it was one of the most significant SNPs (meta-p=8×10-10).

    “This SNP is 8kb 5′ to the PICALM gene and was directly genotyped in the extension sample, the TGEN study and the Li et al. study, with p<0.05 in each.Following meta-analysis, this is one of our most significant SNPs (meta-p= 8×10 -10 )”
  • The first association studies covering most of the genome were published in 2007.

    “The first association studies covering most of the genome were published in 2007 [81, 82].”

    From Genetic architecture of Alzheimer's disease (2020) · cites this paper as [82]

  • GWAS hits for AD include genes Apoe, Ms4a6d, Plcg2 and Gab2.

    “GWAS hits for AD included genes that are currently under intense mechanistic investigation, including Apoe , Ms4a6d , Plcg2 and Gab2 (Reiman et al., 2007) (Figure 6B,H).”

    From Atlas of the aging mouse brain reveals white matter as vulnerable foci (2023) · cites this paper as Reiman et al., 2007

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Authors
Reiman, E. M., Webster, J. A., Myers, A. J., Hardy, J., Dunckley, T., Zismann, V. L., Joshipura, K. D., Pearson, J. V., Hu-Lince, D., Huentelman, M. J., Craig, D. W., Coon, K. D., Liang, W. S., Herbert, R. H., Beach, T., Rohrer, K. C., Zhao, A. S., Leung, D., Bryden, L., Marlowe, L., Kaleem, M., Mastroeni, D., Grover, A., Heward, C. B., Ravid, R., Rogers, J., Hutton, M. L., Melquist, S., Petersen, R. C., Alexander, G. E., Caselli, R. J., Kukull, W., Papassotiropoulos, A., & Stephan, D. A.
Affiliations
  • Translational Genomics Research Institute (US)
  • National Institutes of Health (US)
  • Arizona Alzheimer’s Consortium (US)
  • Netherlands Institute for Neuroscience (NL)
  • Mayo Clinic (US)
  • Mayo Clinic in Arizona (US)
  • University of Washington (US)
Corresponding author
  • Reiman, Eric M.
  • Stephan, Dietrich A.
Venue
Neuron
Publisher
Elsevier BV
Published
2007-06
Volume
54
Issue
5
Pages
713-720
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2008352401
Cited by
487
References
35
Citations by year
2026: 2 · 2025: 9 · 2024: 8 · 2023: 4 · 2022: 7 · 2021: 9 · 2020: 4 · 2019: 10 · 2018: 12 · 2017: 14 · 2016: 20 · 2015: 19 · 2014: 34 · 2013: 33 · 2012: 55
FWCI
40.33
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • UCL Discovery (University College London) (submittedVersion)
Funders
  • Mayo Clinic
  • National Institutes of Health (1k01ag024079-01a2)
  • National Institute on Aging (R01AG023193, P50AG005144, P50 AG17824, P30AG012300, P30AG017824, AG 025688, U01AG016976, K01-AG-024079, P50AG016570, P50AG005128, P30AG010161, P50AG008702, P50AG025711, P50AG005681, P50AG005142, P50AG008671, P30AG019610, P50AG005146, P30AG013846, P50AG005136, P50AG005134, R21AG029576, P50AG025688, P30 AG01542, P50AG016574)
  • National Heart, Lung, and Blood Institute (U01HL084744)
  • National Institute of Mental Health (R01 MH60451, P50MH060451)
  • National Institute of Neurological Disorders and Stroke (U24NS051872, R01 NS39764, P50NS039764)
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 › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
Alzheimer's disease, late-onset Alzheimer's disease, APOE ε4, Gab2, genetic susceptibility, gene-gene interaction, single nucleotide polymorphisms, haplotypes, tau phosphorylation, neurofibrillary tangles, dystrophic neurites
MeSH terms
Alzheimer Disease, Brain, Brain Chemistry, DNA Mutational Analysis, Gene Expression Regulation, Gene Frequency, Genetic Markers, Genetic Testing, Haplotypes, Humans, Mutation, Phosphorylation, Risk Factors, Neurofibrillary Tangles, tau Proteins, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Cell Line, Tumor, Adaptor Proteins, Signal Transducing, Apolipoprotein E4

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