Cited by 24Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchGenetic Associations and Epidemiology

Use of Genetic Variation as Biomarkers for Alzheimer's Disease

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Reitz, Christiane, Mayeux, Richard·2009·Annals of the New York Academy of Sciences

Abstract

Late‐onset Alzheimer's disease (LOAD) is the most common cause of late‐onset dementia in western societies. Despite remarkable achievements in human genetics throughout the years, in particular technological advances in gene mapping and in statistical methods that relate genetic variants to disease, to date only a small proportion of the genetic contribution to LOAD can be explained leaving several remaining genetic risk factors to be identified. A possible explanation for the difficulty in gene identification is that LOAD is a multifactorial complex disorder with both genetic and environmental components. Multiple genes with small effects each (“quantitative trait loci”[QTLs]) are likely to contribute to the quantitative traits associated with the disease, such as memory performance, amyloid/tau pathology, or hippocampal atrophy. The motivation for identifying the genetics of LOAD is clear. Not only could it shed light on disease pathogenesis, but it may also provide potential targets for effective treatment, screening, and prevention. Here, we review the usefulness of genetic variation as diagnostic tools and biomarkers in LOAD and discuss the potentials and difficulties researchers face in designing appropriate studies for gene discovery.

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Crossref · 10.1111/j.1749-6632.2009.04945.x

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  • All high-penetrance AD genetic risk alleles (APOE ε4 allele, Down syndrome, APP mutations and duplications, PSEN1 and PSEN2 mutations) have been linked in various experimental systems with increased Aβ deposition and increased formation of putative toxic Aβ peptide species.

    “All high-penetrance AD genetic risk alleles (i.e. APOE ε4 allele, Down syndrome, APP mutations and duplications, PSEN1 and PSEN2 mutations) have been linked in various experimental systems with increased Aβ deposition and increased formation of putative toxic Aβ peptide species (46, 55-57).”

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Authors
Reitz, C., & Mayeux, R.
Affiliations
  • Columbia University Irving Medical Center (US)
  • Columbia University (US)
Corresponding author
Mayeux, Richard
Venue
Annals of the New York Academy of Sciences
Publisher
Wiley
Published
2009-10
Volume
1180
Issue
1
Pages
75-96
ISSN
  • 0077-8923 (ISSN-L)
  • 1749-6632
OpenAlex
W2003137011
Cited by
24
References
123
Citations by year
2024: 2 · 2022: 1 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 1 · 2016: 1 · 2014: 2 · 2013: 2 · 2012: 4
FWCI
0.40
Type
journal article
Language
en
Open access
Locations
  • Annals of the New York Academy of Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Blanchette Hooker Rockefeller Fund
  • National Institutes of Health (5r37ag015473-15)
  • National Institute on Aging (R37AG15473, P01AG007232, K23AG034550, R37-AG015473, R01AG015473, P50AG008702, P01AG07232, P50AG08702)
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
late-onset Alzheimer's disease, genetic biomarkers, genetic variation, genetic risk factors, quantitative trait loci, complex diseases, gene discovery, amyloid pathology, tau pathology, hippocampal atrophy, memory performance, dementia
MeSH terms
Alzheimer Disease, Humans, Phenotype, Genetic Variation, Biomarkers

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