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Cited by 420Fibroblast Growth Factor ResearchGenetics, Aging, and Longevity in Model OrganismsDietary Effects on Health

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The starvation hormone, fibroblast growth factor-21, extends lifespan in mice

Open access
Zhang, Yuan, Xie, Yang, Berglund, Eric D, Coate, Katie Colbert, He, Tian Teng, Katafuchi, Takeshi, Xiao, Guanghua, Potthoff, Matthew J, Wei, Wei, Wan, Yihong, Yu, Ruth T, Evans, Ronald M, Kliewer, Steven A, Mangelsdorf, David J·2012·eLife
DOI 10.7554/elife.00065PMC PMC3466591
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Abstract

Fibroblast growth factor-21 (FGF21) is a hormone secreted by the liver during fasting that elicits diverse aspects of the adaptive starvation response. Among its effects, FGF21 induces hepatic fatty acid oxidation and ketogenesis, increases insulin sensitivity, blocks somatic growth and causes bone loss. Here we show that transgenic overexpression of FGF21 markedly extends lifespan in mice without reducing food intake or affecting markers of NAD+ metabolism or AMP kinase and mTOR signaling. Transcriptomic analysis suggests that FGF21 acts primarily by blunting the growth hormone/insulin-like growth factor-1 signaling pathway in liver. These findings raise the possibility that FGF21 can be used to extend lifespan in other species.DOI:http://dx.doi.org/10.7554/eLife.00065.001.

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Figure 1. Metabolic parameters in aging wild-type and FGF21-transgenic mice. (A) Food intake, (B) physical activity, including total horizontal and ambulatory activity, (C) respiratory exchange ratio (VCO2/VO2) and (D) oxygen consumption (VO2) data for 30-month-old male wild-type (WT) and FGF21-transgenic (Tg) mice (n=6/group) housed singly in metabolic cages. For (D), the area under the curve (AUC) data are shown in the right panel. (E) Body weights of male and female mice measured at 6, 12 and 26 months. Measurements were done on all surviving mice in the cohorts (n=27–54/group). (F) Fat and lean mass percentages were measured in 26-month-old mice (n=5–6/group). (G) Adiponectin oligomer forms, including high molecular weight (HMW), medium molecular weight (MMW) and low molecular weight (LMW) forms, were measured in plasma from 26- to 27-month-old male and female WT and FGF21-Tg mice. Representative western blots using plasma from single animals are shown together with the ratios of the different adiponectin forms in FGF21-Tg and WT plasma (n=4/group). (H) Quantification of trabecular bone volume by μCT analysis using tibiae from 33- to 35-month-old male WT and FGF21-Tg mice (n=4–5/group). All data are presented as the mean ± SEM. DOI: http://dx.doi.org/10.7554/eLife.00065.003
Figure 1. Metabolic parameters in aging wild-type and FGF21-transgenic mice. (A) Food intake, (B) physical activity, including total horizontal and ambulatory activity, (C) respiratory exchange ratio (VCO2/VO2) and (D) oxygen consumption (VO2) data for 30-month-old male wild-type (WT) and FGF21-transgenic (Tg) mice (n=6/group) housed singly in metabolic cages. For (D), the area under the curve (AUC) data are shown in the right panel. (E) Body weights of male and female mice measured at 6, 12 and 26 months. Measurements were done on all surviving mice in the cohorts (n=27–54/group). (F) Fat and lean mass percentages were measured in 26-month-old mice (n=5–6/group). (G) Adiponectin oligomer forms, including high molecular weight (HMW), medium molecular weight (MMW) and low molecular weight (LMW) forms, were measured in plasma from 26- to 27-month-old male and female WT and FGF21-Tg mice. Representative western blots using plasma from single animals are shown together with the ratios of the different adiponectin forms in FGF21-Tg and WT plasma (n=4/group). (H) Quantification of trabecular bone volume by μCT analysis using tibiae from 33- to 35-month-old male WT and FGF21-Tg mice (n=4–5/group). All data are presented as the mean ± SEM. DOI: http://dx.doi.org/10.7554/eLife.00065.003CC BY · PubMed Central
Figure 2. FGF21-transgenic mice have increased insulin sensitivity. 26–27-month-old wild-type (WT) and FGF21-transgenic (Tg) male and female mice (n=5/group) were subjected to (A) oral glucose tolerance tests or (B) insulin tolerance tests. Plasma glucose and insulin levels were measured as indicated. Quantification of the area under the curve (AUC) is shown in the panels to the right. (C, D) Hyperinsulinemic-euglycemic clamp studies were performed on 6- to 8-month-old male WT and FGF21-Tg mice (n=6/group). Insulin was infused at 2 mU/kg/min and (C) blood glucose (upper panel) was clamped at 120 mg/dL during the steady-state period (t=110–150 min) using a variable glucose infusion rate (lower panel). The glucose infusion rate in FGF21-Tg mice is statistically different (p<0.05) from WT mice at all points after t=0 min. (D) Rates of hepatic glucose production (upper panel) and whole-body glucose disposal (lower panel) in WT (n=6) and FGF21-Tg (n=3) mice during the basal and steady-state periods of the clamp. DOI: http://dx.doi.org/10.7554/eLife.00065.005
Figure 2. FGF21-transgenic mice have increased insulin sensitivity. 26–27-month-old wild-type (WT) and FGF21-transgenic (Tg) male and female mice (n=5/group) were subjected to (A) oral glucose tolerance tests or (B) insulin tolerance tests. Plasma glucose and insulin levels were measured as indicated. Quantification of the area under the curve (AUC) is shown in the panels to the right. (C, D) Hyperinsulinemic-euglycemic clamp studies were performed on 6- to 8-month-old male WT and FGF21-Tg mice (n=6/group). Insulin was infused at 2 mU/kg/min and (C) blood glucose (upper panel) was clamped at 120 mg/dL during the steady-state period (t=110–150 min) using a variable glucose infusion rate (lower panel). The glucose infusion rate in FGF21-Tg mice is statistically different (p<0.05) from WT mice at all points after t=0 min. (D) Rates of hepatic glucose production (upper panel) and whole-body glucose disposal (lower panel) in WT (n=6) and FGF21-Tg (n=3) mice during the basal and steady-state periods of the clamp. DOI: http://dx.doi.org/10.7554/eLife.00065.005CC BY · PubMed Central
Figure 3. FGF21 extends lifespan. (A–C) Kaplan–Meyer survival curves for wild-type (WT) and FGF21-transgenic (Tg) mice are shown. (A) Combined male and female data; (B) male data; (C) female data. (D) Median survival time (at 50th percentile) and maximum lifespan (at 95th percentile) for each cohort. Hazard ratios (HR) and 95% confidence intervals are shown for Tg vs WT mice. DOI: http://dx.doi.org/10.7554/eLife.00065.006
Figure 3. FGF21 extends lifespan. (A–C) Kaplan–Meyer survival curves for wild-type (WT) and FGF21-transgenic (Tg) mice are shown. (A) Combined male and female data; (B) male data; (C) female data. (D) Median survival time (at 50th percentile) and maximum lifespan (at 95th percentile) for each cohort. Hazard ratios (HR) and 95% confidence intervals are shown for Tg vs WT mice. DOI: http://dx.doi.org/10.7554/eLife.00065.006CC BY · PubMed Central
Figure 4. Genes regulated by FGF21 and caloric restriction overlap in liver. (A) Venn diagrams showing overlap of genes significantly regulated in liver, muscle and adipose tissue of FGF21-transgenic (Tg) vs wild-type (WT) mice (FDR<0.10, >twofold regulation) compared to the same gene expression analysis in calorically restricted (CR) vs ad libitum (AL) or fasted vs AL mice. (B) Heat map of genes significantly regulated in liver of FGF21-Tg vs WT (FDR<0.10, >twofold regulation) compared to expression of the same liver gene set regulated by fasting or CR. Microarray analysis was performed using liver, epididymal white adipose tissue and gastrocnemius muscle from wild-type and FGF21-Tg male mice and male C57BL/6J mice subjected to 60% caloric restriction for 2 weeks or a 24 hr fast. All mice used in these studies were 3 months old at the end of the study. DOI: http://dx.doi.org/10.7554/eLife.00065.007
Figure 4. Genes regulated by FGF21 and caloric restriction overlap in liver. (A) Venn diagrams showing overlap of genes significantly regulated in liver, muscle and adipose tissue of FGF21-transgenic (Tg) vs wild-type (WT) mice (FDR<0.10, >twofold regulation) compared to the same gene expression analysis in calorically restricted (CR) vs ad libitum (AL) or fasted vs AL mice. (B) Heat map of genes significantly regulated in liver of FGF21-Tg vs WT (FDR<0.10, >twofold regulation) compared to expression of the same liver gene set regulated by fasting or CR. Microarray analysis was performed using liver, epididymal white adipose tissue and gastrocnemius muscle from wild-type and FGF21-Tg male mice and male C57BL/6J mice subjected to 60% caloric restriction for 2 weeks or a 24 hr fast. All mice used in these studies were 3 months old at the end of the study. DOI: http://dx.doi.org/10.7554/eLife.00065.007CC BY · PubMed Central
Figure 5. Evaluation of markers of AMP kinase, mTOR and sirtuin pathway activity in FGF21-Tg mice. Phosphorylated levels of AMP kinase, S6, and 4E-BP1 in (A) liver, (B) gastrocnemius muscle, and (C) epididymal white adipose tissue; (D) mitochondrial DNA content and (E) NAD+ concentrations in liver of 26_28-month-old male and female wild-type (WT) and FGF21-transgenic (Tg) mice (n=4/group except for female adipose tissue, where n=2/group; all data are presented as the mean ± SEM; *p<0.05). DOI: http://dx.doi.org/10.7554/eLife.00065.008
Figure 5. Evaluation of markers of AMP kinase, mTOR and sirtuin pathway activity in FGF21-Tg mice. Phosphorylated levels of AMP kinase, S6, and 4E-BP1 in (A) liver, (B) gastrocnemius muscle, and (C) epididymal white adipose tissue; (D) mitochondrial DNA content and (E) NAD+ concentrations in liver of 26_28-month-old male and female wild-type (WT) and FGF21-transgenic (Tg) mice (n=4/group except for female adipose tissue, where n=2/group; all data are presented as the mean ± SEM; *p<0.05). DOI: http://dx.doi.org/10.7554/eLife.00065.008CC BY · PubMed Central

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Metadata

Authors
Zhang, Y., Xie, Y., Berglund, E. D., Coate, K. C., He, T. T., Katafuchi, T., Xiao, G., Potthoff, M. J., Wei, W., Wan, Y., Yu, R. T., Evans, R. M., Kliewer, S. A., & Mangelsdorf, D. J.
Affiliations
  • The University of Texas Southwestern Medical Center (US)
  • Howard Hughes Medical Institute (US)
  • Salk Institute for Biological Studies (US)
Corresponding author
Kliewer, Steven A
ORCID
Venue
eLife
Publisher
eLife Sciences Publications, Ltd
Published
2012-10-15
Volume
1
Pages
e00065-e00065
ISSN
2050-084X (ISSN-L)
DOI
10.7554/elife.00065
PMC
PMC3466591
OpenAlex
W2165852917
Cited by
420
References
42
Citations by year
2026: 27 · 2025: 31 · 2024: 27 · 2023: 27 · 2022: 27 · 2021: 41 · 2020: 33 · 2019: 38 · 2018: 30 · 2017: 22 · 2016: 40 · 2015: 38 · 2014: 25 · 2013: 13 · 2012: 1
FWCI
9.89
Type
journal article
Language
en
Open access
Licence
Locations
  • eLife (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Howard Hughes Medical Institute
  • Leona M and Harry B Helmsley Charitable Trust
  • UTSW Endowed Scholar Startup Fund
  • National Institutes of Health (CA152301, DK057978, DK062434, DK089113, DK092083, RL1GM084436)
  • Robert A Welch Foundation (I-1275, I-1558, I-1751)
  • CPRIT (RP100841)
  • Glenn Foundation
  • Leona M. and Harry B. Helmsley Charitable Trust
  • Welch Foundation (I-1275, I-1558, I-1751)
  • Cancer Prevention and Research Institute of Texas (RP100841)
  • Glenn Foundation for Medical Research
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Physiology (medical) › Dietary Effects on Health
Keywords
FGF21, lifespan extension, aging, fasting response, liver, transgenic overexpression, insulin sensitivity, ketogenesis, hepatic fatty acid oxidation, bone loss, physical growth
MeSH terms
Adaptation, Physiological, Adenylate Kinase, Animals, Bone Resorption, Fasting, Fatty Acids, Female, Fibroblast Growth Factors, Gene Expression Regulation, Insulin Resistance, Insulin-Like Growth Factor I, Ketone Bodies, Liver, Longevity, Male, Mice, Transgenic, NAD, Oxidation-Reduction, Growth Hormone, Signal Transduction, Transgenes, Caloric Restriction, Lipid Metabolism, Mice, TOR Serine-Threonine Kinases

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