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Cited by 614

The DOI matches its Crossref record; 234 of the 234 references it cites were found in a registry or an index.

Brain fuel metabolism, aging, and Alzheimer’s disease

Open access
Cunnane, Stephen, Nugent, Scott, Roy, Maggie, Courchesne-Loyer, Alexandre, Croteau, Etienne, Tremblay, Sébastien, Castellano, Alex, Pifferi, Fabien, Bocti, Christian, Paquet, Nancy, Begdouri, Hadi, Bentourkia, M’hamed, Turcotte, Eric, Allard, Michèle, Barberger-Gateau, Pascale, Fulop, Tamas, Rapoport, Stanley I.·2011·Nutrition

Abstract

Lower brain glucose metabolism is present before the onset of clinically-measurable cognitive decline in two groups of people at risk of Alzheimer’s disease (AD) - carriers of apoE4, and in those with a maternal family history of AD. Supported by emerging evidence from in vitro and animal studies, these reports suggest that brain hypometabolism may precede and contribute to the neuropathological cascade leading cognitive decline in AD. The reason for brain hypometabolism is unclear but may include defects in glucose transport at the blood-brain barrier, glycolysis, and/or mitochondrial function. Methodological issues presently preclude knowing with certainty whether or not aging in the absence of cognitive impairment is necessarily associated with lower brain glucose metabolism. Nevertheless, aging appears to increase the risk of deteriorating systemic control of glucose utilization which, in turn, may increase the risk of declining brain glucose uptake, at least in some regions. A contributing role of deteriorating glucose availability to or metabolism by the brain in AD does not exclude the opposite effect, i.e. that neurodegenerative processes in AD further decrease brain glucose metabolism because of reduced synaptic functionality and, hence, reduced energy needs, thereby completing a vicious cycle. Strategies to reduce the risk of AD by breaking this cycle should aim to – (i) improve insulin sensitivity by improving systemic glucose utilization, or (ii) bypass deteriorating brain glucose metabolism using approaches that safely induce mild, sustainable ketonemia.

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Metadata

Authors
Cunnane, S., Nugent, S., Roy, M., Courchesne-Loyer, A., Croteau, E., Tremblay, S., Castellano, A., Pifferi, F., Bocti, C., Paquet, N., Begdouri, H., Bentourkia, M., Turcotte, E., Allard, M., Barberger-Gateau, P., Fulop, T., & Rapoport, S. I.
Venue
Nutrition
Publisher
Elsevier BV
Published
2011-01
Volume
27
Issue
1
Pages
3-20
ISSN
0899-9007 (ISSN-L)
OpenAlex
W1988453006
Cited by
614
References
234
FWCI
12.76
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Brain fuel metabolism, aging, and Alzheimer’s disease. https://app.cochat.ai/papers/10.1016/j.nut.2010.07.021
The paper
Cunnane, S., Nugent, S., Roy, M., Courchesne-Loyer, A., Croteau, E., Tremblay, S., Castellano, A., Pifferi, F., Bocti, C., Paquet, N., Begdouri, H., Bentourkia, M., Turcotte, E., Allard, M., Barberger-Gateau, P., Fulop, T., & Rapoport, S. I. (2011). Brain fuel metabolism, aging, and Alzheimer’s disease. Nutrition. https://doi.org/10.1016/j.nut.2010.07.021

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.