Cited by 27Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsCognitive Abilities and Testing

Magnetic Resonance Imaging Traits in Siblings Discordant for Alzheimer Disease

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Cuenco, Karen T., Green, Robert C., Zhang, J., Lunetta, Kathryn, Erlich, Porat M., Cupples, L. Adrienne, Farrer, Lindsay A., DeCarli, Charles +1 more·2008·Journal of Neuroimaging

Abstract

BACKGROUND: Magnetic resonance imaging (MRI) can aid clinical assessment of brain changes potentially correlated with Alzheimer disease (AD). MRI traits may improve our ability to identify genes associated with AD‐outcomes. We evaluated semi‐quantitative MRI measures as endophenotypes for genetic studies by assessing their association with AD in families from the Multi‐Institutional Research in Alzheimer Genetic Epidemiology (MIRAGE) Study. METHODS: Discordant siblings from multiple ethnicities were ascertained through a single affected proband. Semi‐quantitative MRI measures were obtained for each individual. The association between continuous/ordinal MRI traits and AD were analyzed using generalized estimating equations. Medical history and Apolipoprotein E (APOE)ɛ4 status were evaluated as potential confounders. RESULTS: Comparisons of 214 affected and 234 unaffected subjects from 229 sibships revealed that general cerebral atrophy, white matter hyperintensities (WMH), and mediotemporal atrophy differed significantly between groups (each at P < .0001) and varied by ethnicity. Age at MRI and duration of AD confounded all associations between AD and MRI traits. Among unaffected sibs, the presence of at least one APOE ɛ 4 allele and MRI infarction was associated with more WMH after adjusting for age at MRI. CONCLUSION: The strong association between MRI traits and AD suggests that MRI traits may be informative endophenotypes for basic and clinical studies of AD. In particular, WMH may be a marker of vascular disease that contributes to AD pathogenesis.

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Crossref · 10.1111/j.1552-6569.2007.00191.x

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  1. [19]Kantarci K Jack CR Jr Quantitative magnetic resonance techniques as surrogate markers of Alzheimer's disease NeuroRx: J Am Soc Exp NeuroTherapeutics 2004 1 196 205 PMC534925 15717020
  2. [58]Demissie S Green RC Mucci L Tziavas S Martelli K Bang K Coons L Bourque S Buchillon D Johnson K Smith T Sharrow N Lautenschlager N Friedland R Cupples LA Farrer LA Reliability of information collected by proxy in family studies of Alzheimer's disease Neuroepidemiology 2001 20 105 111 11359077

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Authors
Cuenco, K. T., Green, R. C., Zhang, J., Lunetta, K., Erlich, P. M., Cupples, L. A., Farrer, L. A., DeCarli, C., & for the MIRAGE Study Group
Affiliations
Boston University (US)
Corresponding author
  • Cuenco, Karen T.
  • Cupples, L. Adrienne
Venue
Journal of Neuroimaging
Publisher
Wiley
Published
2008-07
Volume
18
Issue
3
Pages
268-275
ISSN
  • 1051-2284 (ISSN-L)
  • 1552-6569
OpenAlex
W1986146023
Cited by
27
References
58
Citations by year
2023: 1 · 2020: 1 · 2019: 1 · 2017: 1 · 2015: 1 · 2014: 4 · 2013: 2 · 2012: 4
FWCI
2.81
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroimaging (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • IUScholarWorks (Indiana University) (submittedVersion)
Funders
  • National Institute on Aging (P30AG010129, R01-HG/AG-02213, K24AG027841, P30AG013846, R01AG009029, R01 AG09029, P30-AG13846))
  • National Human Genome Research Institute (R01HG002213)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Cognitive Abilities and Testing
Keywords
Alzheimer's disease, endophenotypes, brain atrophy, white matter hyperintensities, APOE ε4, vascular disease, ethnic differences
MeSH terms
Aged, Alzheimer Disease, Atrophy, Female, Genotype, Humans, Magnetic Resonance Imaging, Male, Phenotype, Regression Analysis, Risk Factors, Confounding Factors, Epidemiologic, Statistics, Nonparametric, Siblings, Apolipoprotein E4

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