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Title: APOE effect on Alzheimer's disease biomarkers in older adults with significant memory concern

Journal Article · · Alzheimer's & Dementia
 [1];  [2];  [2];  [3];  [2];  [4];  [5];  [6];  [7];  [8];  [9];  [10];  [10];  [11];  [12]
  1. Indiana Univ., Indianapolis, IN (United States). School of Medicine, Dept. of Radiology and Imaging Sciences, Center for Neuroimaging; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Indiana Alzheimer Disease Center
  2. Indiana Univ., Indianapolis, IN (United States). School of Medicine, Dept. of Radiology and Imaging Sciences, Center for Neuroimaging; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Indiana Alzheimer Disease Center; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Center for Computational Biology and Bioinformatics
  3. Indiana Univ., Indianapolis, IN (United States). School of Medicine, Indiana Alzheimer Disease Center; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Dept. of Medical and Molecular Genetics
  4. Mayo Clinic, Rochester, MN (United States). Dept. of Neurology
  5. Mayo Clinic, Rochester, MN (United States). Dept. of Radiology
  6. Univ. of California, Davis, CA (United States). Dept. of Public Health Sciences, Division of Biostatistics
  7. Univ. of California, San Diego, CA (United States). Dept. of Neurology
  8. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Radiology
  9. Univ. of California, Berkeley, CA (United States). Dept. of Neurology
  10. Univ. of Pennsylvania, Philadelphia, PA (United States). School of Medicine, Dept. of Pathology and Lab. Medicine
  11. Univ. of California, San Francisco, CA (United States). Dept. of Radiology, Medicine and Psychiatry; Dept. of Veterans Affairs Medical Center, San Francisco, CA (United States)
  12. Indiana Univ., Indianapolis, IN (United States). School of Medicine, Dept. of Radiology and Imaging Sciences, Center for Neuroimaging; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Indiana Alzheimer Disease Center; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Center for Computational Biology and Bioinformatics; Indiana Univ., Indianapolis, IN (United States). School of Medicine, Dept. of Medical and Molecular Genetics

This study assessed apolipoprotein E (APOE) ε4 carrier status effects on Alzheimer's disease imaging and cerebrospinal fluid (CSF) biomarkers in cognitively normal older adults with significant memory concerns (SMC). Cognitively normal, SMC, and early mild cognitive impairment participants from Alzheimer's Disease Neuroimaging Initiative were divided by APOE ε4 carrier status. Diagnostic and APOE effects were evaluated with emphasis on SMC. Additional analyses in SMC evaluated the effect of the interaction between APOE and [18F]Florbetapir amyloid positivity on CSF biomarkers. SMC ε4+ showed greater amyloid deposition than SMC ε4-, but no hypometabolism or medial temporal lobe (MTL) atrophy. SMC ε4+ showed lower amyloid beta 1-42 and higher tau/p-tau than ε4-, which was most abnormal in APOE ε4+ and cerebral amyloid positive SMC. Lastly, SMC APOE ε4+ show abnormal changes in amyloid and tau biomarkers, but no hypometabolism or MTL neurodegeneration, reflecting the at-risk nature of the SMC group and the importance of APOE in mediating this risk.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE; National Institutes of Health (NIH)
Grant/Contract Number:
AC02-05CH11231; U01 AG024904; W81XWH-12-2-0012; P30 AG010129; K01 AG030514
OSTI ID:
1378678
Journal Information:
Alzheimer's & Dementia, Vol. 11, Issue 12; ISSN 1552-5260
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 124 works
Citation information provided by
Web of Science

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Olfactory identification in subjective cognitive decline and mild cognitive impairment: Association with tau but not amyloid positron emission tomography journal January 2017
White matter alterations in early‐stage Alzheimer's disease: A tract‐specific study journal December 2019
Genetic studies of quantitative MCI and AD phenotypes in ADNI: Progress, opportunities, and plans journal July 2015
Implementation of subjective cognitive decline criteria in research studies journal November 2016
Recent publications from the Alzheimer's Disease Neuroimaging Initiative: Reviewing progress toward improved AD clinical trials journal April 2017
Altered bile acid profile in mild cognitive impairment and Alzheimer's disease: Relationship to neuroimaging and CSF biomarkers journal October 2018
Subjective cognitive decline and rates of incident Alzheimer's disease and non-Alzheimer's disease dementia journal December 2018
Spatial navigation deficits — overlooked cognitive marker for preclinical Alzheimer disease? journal July 2018
Impaired memory-guided attention in asymptomatic APOE4 carriers journal May 2019
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Cerebrospinal fluid and blood biomarkers for neurodegenerative dementias: An update of the Consensus of the Task Force on Biological Markers in Psychiatry of the World Federation of Societies of Biological Psychiatry journal October 2017
GWAS of longitudinal amyloid accumulation on 18 F-florbetapir PET in Alzheimer’s disease implicates microglial activation gene IL1RAP journal August 2015
Longitudinal brain imaging in preclinical Alzheimer disease: impact of APOE ε4 genotype journal April 2018
Subjective Cognitive Impairment Cohort (SCIENCe): study design and first results journal August 2018
Synergistic interaction between APOE and family history of Alzheimer’s disease on cerebral amyloid deposition and glucose metabolism journal August 2018
Clinical dementia severity associated with ventricular size is differentially moderated by cognitive reserve in men and women journal September 2018
Prevalence and risk of progression of preclinical Alzheimer’s disease stages: a systematic review and meta-analysis journal January 2019
Anxiety correlates with cortical surface area in subjective cognitive decline: APOE ε4 carriers versus APOE ε4 non-carriers journal June 2019
The use of back propagation neural networks and 18F-Florbetapir PET for early detection of Alzheimer’s disease using Alzheimer’s Disease Neuroimaging Initiative database journal December 2019
A Bayesian Model for the Prediction and Early Diagnosis of Alzheimer's Disease journal March 2017
The Relation Between Brain Amyloid Deposition, Cortical Atrophy, and Plasma Biomarkers in Amnesic Mild Cognitive Impairment and Alzheimer’s Disease journal June 2018
Dual-Model Radiomic Biomarkers Predict Development of Mild Cognitive Impairment Progression to Alzheimer’s Disease journal January 2019
Altered Bile Acid Profile in Mild Cognitive Impairment and Alzheimer’s Disease: Relationship to Neuroimaging and CSF Biomarkers journal March 2018
Association of Altered Liver Enzymes With Alzheimer Disease Diagnosis, Cognition, Neuroimaging Measures, and Cerebrospinal Fluid Biomarkers journal July 2019
Memory concerns in the early Alzheimer's disease prodrome: Regional association with tau deposition journal January 2018
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Visual short-term memory binding deficit with age-related hearing loss in cognitively normal older adults journal August 2019
Mining Outcome-relevant Brain Imaging Genetic Associations via Three-way Sparse Canonical Correlation Analysis in Alzheimer’s Disease journal March 2017
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Fine-mapping of the human leukocyte antigen locus as a risk factor for Alzheimer disease: A case–control study journal March 2017
Subjective cognitive decline: The first clinical manifestation of Alzheimer's disease? journal September 2016
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Classification of Early and Late Mild Cognitive Impairment Using Functional Brain Network of Resting-State fMRI journal August 2019
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