Evidence map›Paper›PMID 35794023›Full record

ArticleNeurology2022

Association of Pace of Aging Measured by Blood-Based DNA Methylation With Age-Related Cognitive Impairment and Dementia.

Karen Sugden, Avshalom Caspi, Maxwell L Elliott, Kyle J Bourassa, Kartik Chamarti, David L Corcoran, Ahmad R Hariri, Renate M Houts, Meeraj Kothari, Stephen Kritchevsky and 6 more

Open access · hybridAbstract read
In one paragraph

Article in Neurology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 99 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
99citing papers in PubMed, 1 pooled it
15.6field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

99 citing papers in PubMed, 1 synthesis or guideline pooled it, 135 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Trial
  4. Epigenetic Clock Trajectories and Brain Health in Midlife.medRxiv : the preprint server for health sciences · 2026
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39 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors at 2 institutions in 2 countries.

Karen SugdenFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York. karen.sugden@duke.edu.ORCID 0000-0002-4076-5927
Avshalom CaspiFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0003-0082-4600
Maxwell L ElliottFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0003-1083-6277
Kyle J BourassaFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0001-9372-2309
Kartik ChamartiFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.
David L CorcoranFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0001-7460-9247
Ahmad R HaririFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.
Renate M HoutsFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0002-1518-2631
Meeraj KothariFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.
Stephen KritchevskyFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0003-3336-6781
George A KuchelFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0001-8387-7040
Jonathan S MillFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0003-1115-3224
Benjamin S WilliamsFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0003-3274-5317
Daniel W BelskyFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0001-5463-2212
Terrie E MoffittFrom the Department of Psychology and Neuroscience (K.S., A.C., M.L.E., K.C., A.R.H., R.M.H., B.S.W., T.E.M.), and Center for Genomic and Computational Biology (K.S., A.C., B.S.W., T.E.M.), Duke University, Durham, NC; Department of Psychiatry and Behavioral Sciences (A.C., T.E.M.), Duke University School of Medicine, Durham, NC; Social, Genetic, and Developmental Psychiatry Centre (A.C, T.E.M.), Institute of Psychiatry, Psychology, and Neuroscience, King's College London, UK. Center for the Study of Aging and Human Development (K.J.B.), Duke University, Durham, NC; Department of Genetics (D.L.C.), University of North Carolina School of Medicine, Chapel Hill; Butler Columbia Aging Center (M.K., D.W.B.), Columbia University, New York, New York; Sticht Center for Healthy Aging and Alzheimer's Prevention (S.K.), Wake Forest School of Medicine, Winston-Salem, NC; UConn Center on Aging (G.A.K.), University of Connecticut, Farmington, Connecticut, USA; College of Medicine and Health (J.S.M.), University of Exeter Medical School, Devon, UK; and Department of Epidemiology (D.W.B.), Columbia University Mailman School of Public Health, New York, New York.ORCID 0000-0002-8589-6760
Alzheimer's Disease Neuroimaging Initiative*
University of North Carolina at Chapel Hill · USDuke University · US

Funding

Alzheimer's Disease Neuroimaging Initiative - SupplementU01AG024904 · NIA · NORTHERN CALIFORNIA INSTITUTE RES &EDUC · PI WEINER, MICHAEL W · 2004 to 2015
$121.0M
FRAMINGHAM HEART STUDY - YEAR 5 EXAM75N92019D00031 · NHLBI · BOSTON UNIVERSITY MEDICAL CAMPUS · 2019 to 2024
$29.8M
Wake Forest University School of Medicine Alzheimer's Disease Research CenterP30AG072947 · NIA · WAKE FOREST UNIVERSITY HEALTH SCIENCES · PI Laura D. Baker · 2021 to 2026
$24.3M
Temporal Trends, Novel Imaging and Molecular Characterization of Preclinical and Clinical Alzheimer's Disease in the Framingham CohortsR01AG054076 · NIA · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · PI DECARLI, CHARLES, SESHADRI, SUDHA · 2016 to 2020
$12.3M
Quantifying Individual Differences in Midlife Structural Brain Integrity Associated with Later AD/ADRD RiskR01AG049789 · NIA · DUKE UNIVERSITY · PI AHMAD R. HARIRI, TERRIE E MOFFITT · 2015 to 2026
$10.6M
Is mental disorder a preventable cause of age-related disease? The Dunedin Study.R01AG032282 · NIA · DUKE UNIVERSITY · PI CASPI, AVSHALOM, MOFFITT, TERRIE E · 2009 to 2025
$9.5M
BEHAVIOR AND PHYSIOLOGY IN AGINGT32AG000029 · NIA · DUKE UNIVERSITY · PI Maria Marquine · 1985 to 2026
$9.3M
Long-term multi-omics follow-up of the CALERIE Trial to generate new knowledge for geroscienceR01AG061378 · NIA · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Daniel Walker Belsky · 2019 to 2026
$2.9M
Validating a 3rd-generation methylation measure of accelerated aging: DunedinPoAm4xR01AG073207 · NIA · DUKE UNIVERSITY · PI CASPI, AVSHALOM, MOFFITT, TERRIE E · 2022 to 2025
$2.9M
Training in lifespan behavioral, social, and neuroscience research connecting early-life cognitive decline to late-life ADRDF99AG068432 · NIA · DUKE UNIVERSITY · PI ELLIOTT, MAXWELL LORENZ · 2020 to 2021
$72k
THE FRAMINGHAM HEART STUDY-N01HC25195-268025195-268025195N01HC025195 · HC · TRUSTEES OF BOSTON UNIVERSITY · PI WOLF, PHILIP A · 2002 to 2006
–
Medical Research Council MR/P005918/1NHLBI NIH HHS 75N92019D00031NHLBI NIH HHS HHSN268201500001CNHLBI NIH HHS HHSN268201500001INHLBI NIH HHS N01 HC025195NIA NIH HHS F99 AG068432NIA NIH HHS P30 AG072947NIA NIH HHS R01 AG032282NIA NIH HHS R01 AG049789NIA NIH HHS R01 AG054076NIA NIH HHS R01 AG061378NIA NIH HHS R01 AG073207NIA NIH HHS T32 AG000029NIA NIH HHS U01 AG024904
6 · The paper itself

Abstract

BACKGROUND AND

objectivesDNA methylation algorithms are increasingly used to estimate biological aging; however, how these proposed measures of whole-organism biological aging relate to aging in the brain is not known. We used data from the Alzheimer's Disease Neuroimaging Initiative (ADNI) and the Framingham Heart Study (FHS) Offspring Cohort to test the association between blood-based DNA methylation measures of biological aging and cognitive impairment and dementia in older adults.

methodsWe tested 3 "generations" of DNA methylation age algorithms (first generation: Horvath and Hannum clocks; second generation: PhenoAge and GrimAge; and third generation: DunedinPACE, Dunedin Pace of Aging Calculated from the Epigenome) against the following measures of cognitive impairment in ADNI: clinical diagnosis of dementia and mild cognitive impairment, scores on Alzheimer disease (AD) / Alzheimer disease and related dementias (ADRD) screening tests (Alzheimer's Disease Assessment Scale, Mini-Mental State Examination, and Montreal Cognitive Assessment), and scores on cognitive tests (Rey Auditory Verbal Learning Test, Logical Memory test, and Trail Making Test). In an independent replication in the FHS Offspring Cohort, we further tested the longitudinal association between the DNA methylation algorithms and the risk of developing dementia.

resultsIn ADNI ( DISCUSSION: Third-generation blood-based DNA methylation measures of aging could prove valuable for measuring differences between individuals in the rate at which they age and in their risk for cognitive decline, and for evaluating interventions to slow aging.

Indexed as

Alzheimer DiseaseCognitive DysfunctionAgedAgingDNA MethylationHumansNeuropsychological Tests

Identifiers

PMID35794023
PMCPMC9576288
OpenAlexW4284896104

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