Cited by 212Fibroblast Growth Factor ResearchDietary Effects on HealthRegulation of Appetite and Obesity

Defining the Nutritional and Metabolic Context of FGF21 Using the Geometric Framework

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Solon-Biet, Samantha M., Cogger, Victoria C., Pulpitel, Tamara, Heblinski, Marika, Wahl, Devin, McMahon, Aisling C., Warren, Alessandra, Durrant-Whyte, Jessica +12 more·2016·Cell Metabolism

Abstract

Fibroblast growth factor 21 (FGF21) is the first known endocrine signal activated by protein restriction. Although FGF21 is robustly elevated in low-protein environments, increased FGF21 is also seen in various other contexts such as fasting, overfeeding, ketogenic diets, and high-carbohydrate diets, leaving its nutritional context and physiological role unresolved and controversial. Here, we use the Geometric Framework, a nutritional modeling platform, to help reconcile these apparently conflicting findings in mice confined to one of 25 diets that varied in protein, carbohydrate, and fat content. We show that FGF21 was elevated under low protein intakes and maximally when low protein was coupled with high carbohydrate intakes. Our results explain how elevation of FGF21 occurs both under starvation and hyperphagia, and show that the metabolic outcomes associated with elevated FGF21 depend on the nutritional context, differing according to whether the animal is in a state of under- or overfeeding.

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Crossref · 10.1016/j.cmet.2016.09.001

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  • Fat intake does not significantly alter FGF21 expression in rodents.

    “a thorough analysis of macronutrient intake has revealed that fat intake does not significantly alter FGF21 expression in rodents28.”

    From Metabolic messengers: FGF21 (2021) · cites this paper as [28]

  • FGF21 is maximally induced under a combined high-sugar/low-protein nutritional state.

    “FGF21 is maximally induced under a nutritional state of a combined high-sugar/low-protein condition28.”

    From Metabolic messengers: FGF21 (2021) · cites this paper as [28]

  • Maximal circulating FGF21 levels increase in response to a combination of low-protein and high-carbohydrate conditions.

    “maximal levels of circulating FGF21 increase in response to a combination of low-protein and high-carbohydrate conditions [152,158,165].”
  • Hepatic FGF21 increases in response to nutritional stimuli including macronutrient imbalance and alcohol intake.

    “several recent studies confirmed that hepatic FGF21 increases in response to other nutritional stimuli, including conditions of macronutrient imbalance [152], and in response to alcohol intake [138,140,153].”
  • Low-protein diets, amino acid starvation, and the amino acid-depleting drug asparaginase induce plasma FGF21 levels.

    “Low-protein diets (73, 85), amino acid starvation (25, 121), and the amino acid–depleting drug asparaginase (138) also induce plasma FGF21 levels.”

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Authors
Solon-Biet, S. M., Cogger, V. C., Pulpitel, T., Heblinski, M., Wahl, D., McMahon, A. C., Warren, A., Durrant-Whyte, J., Walters, K. A., Krycer, J. R., Ponton, F., Gokarn, R., Wali, J. A., Ruohonen, K., Conigrave, A. D., James, D. E., Raubenheimer, D., Morrison, C. D., Le Couteur, D. G., & Simpson, S. J.
Affiliations
  • The University of Sydney (AU)
  • Pennington Biomedical Research Center (US)
Corresponding author
Simpson, Stephen J.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2016-10
Volume
24
Issue
4
Pages
555-565
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2526341840
Cited by
212
References
63
Citations by year
2026: 7 · 2025: 22 · 2024: 21 · 2023: 20 · 2022: 29 · 2021: 21 · 2020: 20 · 2019: 24 · 2018: 22 · 2017: 24 · 2016: 2
FWCI
12.48
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Health and Medical Research Council (NHMRC) of Australia (571328, 571408)
  • Ageing and Alzheimers Institute (AAAI) of Concord Hospital
  • Australian Research Council (160101119)
  • National Medical Health and Research Council of Australia (1110098)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Health Sciences › Medicine › Physiology › Dietary Effects on Health
  • Life Sciences › Neuroscience › Endocrine and Autonomic Systems › Regulation of Appetite and Obesity
Keywords
FGF21, protein restriction, geometric framework, dietary protein, carbohydrate intake, fasting, overfeeding, hyperphagia, starvation, ketogenic diet, high-carbohydrate diet
MeSH terms
Uncoupling Protein 1, Animals, Animal Nutritional Physiological Phenomena, Appetite, Dietary Proteins, Energy Metabolism, Female, Fibroblast Growth Factors, Gene Expression Regulation, Glucose, Insulin-Like Growth Factor I, Male, Mice, Inbred C57BL, Models, Biological, Phenotype, Activating Transcription Factors

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