Cited by 155Dementia and Cognitive Impairment ResearchAlzheimer's disease research and treatmentsDiabetes, Cardiovascular Risks, and Lipoproteins

Glucose Intolerance, Insulin Resistance, and Pathological Features of Alzheimer Disease in the Baltimore Longitudinal Study of Aging

Open access
Thambisetty, Madhav, Metter, E. Jeffrey, Yang, An, Dolan, Hillary, Marano, Christopher, Zonderman, Alan B., Troncoso, Juan C., Zhou, Yun +5 more·2013·JAMA Neurology

Abstract

IMPORTANCE: Peripheral glucose homeostasis has been implicated in the pathogenesis of Alzheimer disease (AD). The relationship among diabetes mellitus, insulin, and AD is an important area of investigation. However, whether cognitive impairment seen in those with diabetes is mediated by excess pathological features of AD or other related abnormalities, such as vascular disease, remains unclear. OBJECTIVE: To investigate the association between serial measures of glucose intolerance and insulin resistance and in vivo brain β-amyloid burden, measured with carbon 11–labeled Pittsburgh Compound B (11C-PiB), and AD pathology at autopsy. DESIGN: Scores calculated from the Consortium to Establish a Registry for Alzheimer’s Disease (CERAD) and Braak criteria were correlated with measures of hyperglycemia, hyperinsulinemia, glucose intolerance, and insulin resistance in 197 participants who underwent autopsy after death and who had undergone 2 or more oral glucose tolerance tests (OGTT) using grouped analyses and a continuous mixed-models analysis. The same measures of glucose intolerance and insulin resistance were also correlated with brain 11C-PiB retention in an additional 53 living subjects from the Baltimore Longitudinal Study of Aging neuroimaging study. SETTING: Prospective, serially assessed cohort of community-dwelling subjects. PARTICIPANTS: Cohort 1 consisted of 197 participants enrolled in the Baltimore Longitudinal Study of Aging who had 2 or more OGTTs during life and a complete brain autopsy after death. Cohort 2 consisted of 53 living subjects who had 2 or more OGTTs and underwent brain 11C-PiB positron emission tomography. EXPOSURES: Autopsy and 11C-PiB positron emission tomography. MAIN OUTCOMES AND MEASURES: The correlation of brain markers of AD, including CERAD score, Braak score, and 11C-PiB retention, with serum markers of glucose homeostasis using grouped and continuous mixed-models analyses. RESULTS: We found no significant correlations between measures of brain AD pathology or 11C-PiB β-amyloid load and glucose intolerance or insulin resistance in subjects who had a mean (SD) of 6.4 (3.2) OGTTs during 22.1 (8.0) years of follow-up. Thirty subjects with frank diabetes mellitus who received medications also had AD pathology scores that were similar to those of the cohort as a whole. CONCLUSIONS AND RELEVANCE: In this prospective cohort with multiple assessments of glucose intolerance and insulin resistance, measures of glucose and insulin homeostasis are not associated with AD pathology and likely play little role in AD pathogenesis. Long-term therapeutic trials are important to elucidate this issue.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.1001/jamaneurol.2013.284

Cites

37 of 37 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Many studies have failed to establish a relationship between systemic insulin resistance or type 2 diabetes and molecular symptoms of neurodegenerative diseases.

    “many studies have failed to establish a relationship between systemic insulin resistance or type 2 diabetes and molecular symptoms of neurodegenerative diseases 142”

    From Intranasal insulin (2021) · cites this paper as [142]

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

Cited by

Sorted by citations

Authors
Thambisetty, M., Metter, E. J., Yang, A., Dolan, H., Marano, C., Zonderman, A. B., Troncoso, J. C., Zhou, Y., Wong, D. F., Ferrucci, L., Egan, J., Resnick, S. M., & O’Brien, R. J.
Affiliations
  • National Institute on Aging (US)
  • Johns Hopkins University (US)
Corresponding author
O’Brien, Richard J.
Venue
JAMA Neurology
Published
2013-09-01
Volume
70
Issue
9
Pages
1167
ISSN
2168-6149 (ISSN-L)
OpenAlex
W2160143874
Cited by
155
References
37
Citations by year
2026: 2 · 2025: 6 · 2024: 13 · 2023: 9 · 2022: 9 · 2021: 11 · 2020: 14 · 2019: 9 · 2018: 11 · 2017: 20 · 2016: 11 · 2015: 17 · 2014: 19 · 2013: 4
FWCI
12.09
Type
journal article
Language
en
Open access
Locations
  • JAMA Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (U19AG033655, U01AG033655, P50AG005146, P50AG05146)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
Keywords
Alzheimer's disease, impaired glucose tolerance, insulin resistance, diabetes mellitus, hyperinsulinemia, hyperglycemia, brain amyloid burden, 11C-PiB PET, autopsy neuropathology, glucose homeostasis, oral glucose tolerance test, Baltimore Longitudinal Study of Aging, vascular disease, cognitive impairment
MeSH terms
Aged, Aged, 80 and over, Aging, Alzheimer Disease, Aniline Compounds, Cognition Disorders, Female, Humans, Insulin Resistance, Longitudinal Studies, Male, Prospective Studies, Radionuclide Imaging, Thiazoles, Baltimore, Glucose Intolerance, Benzothiazoles

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review