Protein restriction slows the development and progression of pathology in a mouse model of Alzheimer's disease.
Animals
Alzheimer Disease
/ pathology
Disease Models, Animal
Female
Mice, Transgenic
Male
Mice
Disease Progression
Brain
/ metabolism
Diet, Protein-Restricted
Humans
Mechanistic Target of Rapamycin Complex 1
/ metabolism
Autophagy
Glucose Intolerance
/ metabolism
Sphingolipids
/ metabolism
Cognition
Mice, Inbred C57BL
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
18 Jun 2024
18 Jun 2024
Historique:
received:
25
09
2023
accepted:
12
06
2024
medline:
19
6
2024
pubmed:
19
6
2024
entrez:
18
6
2024
Statut:
epublish
Résumé
Dietary protein is a critical regulator of metabolic health and aging. Low protein diets are associated with healthy aging in humans, and dietary protein restriction extends the lifespan and healthspan of mice. In this study, we examined the effect of protein restriction (PR) on metabolic health and the development and progression of Alzheimer's disease (AD) in the 3xTg mouse model of AD. Here, we show that PR promotes leanness and glycemic control in 3xTg mice, specifically rescuing the glucose intolerance of 3xTg females. PR induces sex-specific alterations in circulating and brain metabolites, downregulating sphingolipid subclasses in 3xTg females. PR also reduces AD pathology and mTORC1 activity, increases autophagy, and improves the cognition of 3xTg mice. Finally, PR improves the survival of 3xTg mice. Our results suggest that PR or pharmaceutical interventions that mimic the effects of this diet may hold promise as a treatment for AD.
Identifiants
pubmed: 38890307
doi: 10.1038/s41467-024-49589-z
pii: 10.1038/s41467-024-49589-z
doi:
Substances chimiques
Mechanistic Target of Rapamycin Complex 1
EC 2.7.11.1
Sphingolipids
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
5217Subventions
Organisme : U.S. Department of Health & Human Services | NIH | National Institute on Aging (U.S. National Institute on Aging)
ID : AG056771, AG062328, AG061635, AG081482, AG084156
Organisme : U.S. Department of Health & Human Services | NIH | National Institute on Aging (U.S. National Institute on Aging)
ID : F31AG081115
Organisme : U.S. Department of Health & Human Services | NIH | National Institute on Aging (U.S. National Institute on Aging)
ID : AG082504
Organisme : U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (National Institute of Diabetes & Digestive & Kidney Diseases)
ID : DK125859
Organisme : U.S. Department of Health & Human Services | NIH | National Institute of Diabetes and Digestive and Kidney Diseases (National Institute of Diabetes & Digestive & Kidney Diseases)
ID : R01DK133479
Organisme : Alzheimer's Association
ID : 23AARG-1029665
Organisme : U.S. Department of Health & Human Services | NIH | National Institute of General Medical Sciences (NIGMS)
ID : R35GM151130
Informations de copyright
© 2024. The Author(s).
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