Article ; Online: FGF21 is required for protein restriction to extend lifespan and improve metabolic health in male mice.
2022 Volume 13, Issue 1, Page(s) 1897
Abstract: Dietary protein restriction is increasingly recognized as a unique approach to improve metabolic health, and there is increasing interest in the mechanisms underlying this beneficial effect. Recent work indicates that the hormone FGF21 mediates the ... ...
| Abstract | Dietary protein restriction is increasingly recognized as a unique approach to improve metabolic health, and there is increasing interest in the mechanisms underlying this beneficial effect. Recent work indicates that the hormone FGF21 mediates the metabolic effects of protein restriction in young mice. Here we demonstrate that protein restriction increases lifespan, reduces frailty, lowers body weight and adiposity, improves physical performance, improves glucose tolerance, and alters various metabolic markers within the serum, liver, and adipose tissue of wildtype male mice. Conversely, mice lacking FGF21 fail to exhibit metabolic responses to protein restriction in early life, and in later life exhibit early onset of age-related weight loss, reduced physical performance, increased frailty, and reduced lifespan. These data demonstrate that protein restriction in aging male mice exerts marked beneficial effects on lifespan and metabolic health and that a single metabolic hormone, FGF21, is essential for the anti-aging effect of this dietary intervention. |
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| MeSH term(s) | Animals ; Diet, Protein-Restricted ; Fibroblast Growth Factors/metabolism ; Frailty/metabolism ; Hormones/metabolism ; Liver/metabolism ; Longevity ; Male ; Mice |
| Chemical Substances | Hormones ; fibroblast growth factor 21 ; Fibroblast Growth Factors (62031-54-3) |
| Language | English |
| Publishing date | 2022-04-07 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2553671-0 |
| ISSN | 2041-1723 ; 2041-1723 |
| ISSN (online) | 2041-1723 |
| ISSN | 2041-1723 |
| DOI | 10.1038/s41467-022-29499-8 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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