Cited by 1,597Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchAdipokines, Inflammation, and Metabolic Diseases

The DOI matches its Crossref record; 285 of the 285 references it cites were found in a registry or an index.

Brain insulin resistance in type 2 diabetes and Alzheimer disease: concepts and conundrums

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Abstract

Considerable overlap has been identified in the risk factors, comorbidities and putative pathophysiological mechanisms of Alzheimer disease and related dementias (ADRDs) and type 2 diabetes mellitus (T2DM), two of the most pressing epidemics of our time. Much is known about the biology of each condition, but whether T2DM and ADRDs are parallel phenomena arising from coincidental roots in ageing or synergistic diseases linked by vicious pathophysiological cycles remains unclear. Insulin resistance is a core feature of T2DM and is emerging as a potentially important feature of ADRDs. Here, we review key observations and experimental data on insulin signalling in the brain, highlighting its actions in neurons and glia. In addition, we define the concept of 'brain insulin resistance' and review the growing, although still inconsistent, literature concerning cognitive impairment and neuropathological abnormalities in T2DM, obesity and insulin resistance. Lastly, we review evidence of intrinsic brain insulin resistance in ADRDs. By expanding our understanding of the overlapping mechanisms of these conditions, we hope to accelerate the rational development of preventive, disease-modifying and symptomatic treatments for cognitive dysfunction in T2DM and ADRDs alike.

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Crossref · 10.1038/nrneurol.2017.185

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Authors
Arnold, S. E., Arvanitakis, Z., Macauley-Rambach, S. L., Koenig, A. M., Wang, H.-Y., Ahima, R. S., Craft, S., Gandy, S., Buettner, C., Stoeckel, L. E., Holtzman, D. M., & Nathan, D. M.
Affiliations
  • Harvard University (US)
  • Rush University Medical Center (US)
  • City University of New York (US)
  • Johns Hopkins University (US)
  • Atrium Health Wake Forest Baptist (US)
  • Icahn School of Medicine at Mount Sinai (US)
  • Washington University in St. Louis (US)
Corresponding author
Arnold, Steven E.
Venue
Nature Reviews Neurology
Published
2018-01-29
Volume
14
Issue
3
Pages
168-181
ISSN
  • 1759-4758 (ISSN-L)
  • 1759-4766
OpenAlex
W2786962139
Cited by
1,597
References
285
Citations by year
2026: 223 · 2025: 244 · 2024: 218 · 2023: 205 · 2022: 210 · 2021: 176 · 2020: 163 · 2019: 102 · 2018: 52
FWCI
16.18
Type
journal article
Language
en
Open access
Locations
  • Nature Reviews Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Funders
  • BrightFocus Foundation
  • National Institutes of Health
  • National Institute on Aging (R21AG051958)
  • National Institute of Neurological Disorders and Stroke (R01NS084965)
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
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adipokines, Inflammation, and Metabolic Diseases
Keywords
brain insulin resistance, type 2 diabetes, Alzheimer's disease, Alzheimer's disease and related dementias, insulin signaling, cognitive impairment, obesity, glia, neurons, neuropathology, comorbidities, aging
MeSH terms
Brain, Dementia, Diabetes Mellitus, Type 2, Humans, Insulin, Insulin Resistance

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