Cited by 1,871Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

The DOI matches its Crossref record; 176 of the 177 references it cites were found in a registry or an index, and 1 are not checked yet.

Demonstrated brain insulin resistance in Alzheimer’s disease patients is associated with IGF-1 resistance, IRS-1 dysregulation, and cognitive decline

Open access

Abstract

While a potential causal factor in Alzheimer's disease (AD), brain insulin resistance has not been demonstrated directly in that disorder. We provide such a demonstration here by showing that the hippocampal formation (HF) and, to a lesser degree, the cerebellar cortex in AD cases without diabetes exhibit markedly reduced responses to insulin signaling in the IR→IRS-1→PI3K signaling pathway with greatly reduced responses to IGF-1 in the IGF-1R→IRS-2→PI3K signaling pathway. Reduced insulin responses were maximal at the level of IRS-1 and were consistently associated with basal elevations in IRS-1 phosphorylated at serine 616 (IRS-1 pS⁶¹⁶) and IRS-1 pS⁶³⁶/⁶³⁹. In the HF, these candidate biomarkers of brain insulin resistance increased commonly and progressively from normal cases to mild cognitively impaired cases to AD cases regardless of diabetes or APOE ε4 status. Levels of IRS-1 pS⁶¹⁶ and IRS-1 pS⁶³⁶/⁶³⁹ and their activated kinases correlated positively with those of oligomeric Aβ plaques and were negatively associated with episodic and working memory, even after adjusting for Aβ plaques, neurofibrillary tangles, and APOE ε4. Brain insulin resistance thus appears to be an early and common feature of AD, a phenomenon accompanied by IGF-1 resistance and closely associated with IRS-1 dysfunction potentially triggered by Aβ oligomers and yet promoting cognitive decline independent of classic AD pathology.

Overview

Integrity signals

Registry

Crossref · 10.1172/jci59903

Cites

176 of 177 references verified0 citation errors · 0 not checkable

Statistics

Recomputing p-values needs the paper’s full text.

Verification

Claims the paper makes

We couldn’t retrieve this paper’s full text, so its claims and self-check weren’t run. The registry and citation checks still apply.

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?

Citations

Cites

1 retracted

Flagged first, then by citations

Show all 176 references

Research works printed but not linked: 5

  1. Cheatham, 1995, Endocr Rev., 16, 117
  2. Combettes-Souverain, 1998, Diabetes Metab., 24, 477
  3. 10.1210/en.143.1.276 · DOI
  4. García-Lara, 2010, Rev Invest Clin., 62, 343
  5. Lorente de Nò, 1934, J Psychol Neurol., 46, 113

Cited by

Sorted by citations

Items 201–300 of 1,005

Metadata

Authors
Talbot, K., Wang, H.-Y., Kazi, H., Han, L.-Y., Bakshi, K. P., Stucky, A., Fuino, R. L., Kawaguchi, K. R., Samoyedny, A. J., Wilson, R. S., Arvanitakis, Z., Schneider, J. A., Wolf, B. A., Bennett, D. A., Trojanowski, J. Q., & Arnold, S. E.
Affiliations
  • University of Pennsylvania (US)
  • City University of New York (US)
  • Rush University Medical Center (US)
  • Children's Hospital of Philadelphia (US)
Corresponding author
Talbot, Konrad
Venue
Journal of Clinical Investigation
Published
2012-04-02
Volume
122
Issue
4
Pages
1316-1338
ISSN
0021-9738 (ISSN-L)
OpenAlex
W1982795519
Cited by
1,871
References
176
Citations by year
2026: 118 · 2025: 147 · 2024: 120 · 2023: 114 · 2022: 157 · 2021: 168 · 2020: 175 · 2019: 145 · 2018: 146 · 2017: 109 · 2016: 116 · 2015: 125 · 2014: 111 · 2013: 93 · 2012: 26
FWCI
75.52
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Alzheimer's Association (P30AG10161, R01 AG15819)
  • University of Pennsylvania
  • Rush University (R01 AG15819)
  • T.L.L Temple Foundation
  • National Institute on Aging (P30AG010124, R01AG015819, AG-10124, P30AG010161)
  • National Institute of General Medical Sciences (R25GM056833)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
Alzheimer's disease, brain insulin resistance, IGF-1 resistance, IRS-1, IRS-1 serine phosphorylation, insulin signaling, PI3K signaling, IGF-1 receptor, hippocampus, cerebellum, amyloid-beta oligomers, cognitive decline, episodic memory, working memory, APOE ε4, neurofibrillary tangles, mild cognitive impairment
MeSH terms
Aged, Aged, 80 and over, Alzheimer Disease, Brain, Cerebellar Cortex, Cognition Disorders, Drug Resistance, Female, Glucose, Hippocampus, Humans, Insulin, Insulin Resistance, Insulin-Like Growth Factor I, Male, Middle Aged, Phosphorylation, Phosphoserine, Protein Processing, Post-Translational, Recombinant Proteins, Signal Transduction, Diabetes Complications, Apolipoprotein E4, Insulin Receptor Substrate Proteins

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