Cited by 61Fibroblast Growth Factor ResearchBone Metabolism and DiseasesPeroxisome Proliferator-Activated Receptors

FGF21 Is Not a Major Mediator for Bone Homeostasis or Metabolic Actions of PPARα and PPARγ Agonists

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Li, Xiaodong, Stanislaus, Shanaka, Asuncion, Frank, Niu, Qing-Tian, Chinookoswong, Narumol, Villasenor, Kelly, Wang, Jin, Wong, Philip +10 more·2017·Journal of Bone and Mineral Research

Abstract

Results of prior studies suggest that fibroblast growth factor 21 (FGF21) may be involved in bone turnover and in the actions of peroxisome proliferator-activated receptor (PPAR) α and γ in mice. We have conducted independent studies to examine the effects of FGF21 on bone homeostasis and the role of FGF21 in PPARα and γ actions. High-fat-diet-induced obesity (DIO) mice were administered vehicle or recombinant human FGF21 (rhFGF21) intraperitoneally at 0 (vehicle), 0.1, 1, and 3 mg/kg daily for 2 weeks. Additional groups of DIO mice received water or 10 mg/kg rosiglitazone daily. Mice treated with rhFGF21 or rosiglitazone showed expected metabolic improvements in glucose, insulin, and lipid levels. However, bone loss was not detected in rhFGF21-treated mice by dual-energy X-ray absorptiometry (DXA), micro-CT, and histomorphometric analyses. Mineral apposition rate, a key bone formation parameter, was unchanged by rhFGF21, while significantly decreased by rosiglitazone in DIO mice. Bone resorption markers, OPG/RANKL mRNA expression, and histological bone resorption indices were unchanged by rhFGF21 or rosiglitazone. Bone marrow fat was unchanged by rhFGF21, while increased by rosiglitazone. Furthermore, FGF21 knockout mice did not show high bone mass phenotype. Treatment with PPARα or PPARγ agonists caused similar metabolic effects in FGF21 knockout and wild-type mice. These results contrast with previous findings and suggest that FGF21 is not critical for bone homeostasis or actions of PPARα and PPARγ. © 2016 American Society for Bone and Mineral Research.

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  • In mice, FGF21 has been reported to promote bone loss, but this effect has not been independently validated in rodents or obese non-human primates.

    “In mice, FGF21 has been reported to promote bone loss96,97, but this effect has not been independently validated in rodents98 or obese non-human primates99.”

    From Metabolic messengers: FGF21 (2021) · cites this paper as [98]

  • In mice, FGF21 has been reported to promote bone loss, but this finding could not be replicated.

    “In mice, FGF21 has been reported to promote bone loss (134, 135); however, this finding could not be replicated (80).”

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Research works printed but not linked: 2

  1. National Research Council (US) Committee for the Update of the Guide for the Care and Use of Laboratory Animals. Guide for the care and use of laboratory animals, 8th edition. Washington, DC: The National Academies Press; 2011.
  2. Zhang Y, Xie Y, Berglund ED, et al. The starvation hormone, fibroblast growth factor-21, extends lifespan in mice. eLife. 2012;1:e00065.

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Authors
Li, X., Stanislaus, S., Asuncion, F., Niu, Q.-T., Chinookoswong, N., Villasenor, K., Wang, J., Wong, P., Boyce, R., Dwyer, D., Han, C.-Y., Chen, M. M., Liu, B., Stolina, M., Ke, H. Z., Ominsky, M. S., Véniant, M. M., & Xu, J.
Affiliations
Amgen (United States) (US)
Corresponding author
  • Li, Xiaodong
  • Xu, Jing
Venue
Journal of Bone and Mineral Research
Published
2016-08-09
Volume
32
Issue
4
Pages
834-845
ISSN
  • 0884-0431 (ISSN-L)
  • 1523-4681
OpenAlex
W2480504285
Cited by
61
References
29
Citations by year
2026: 4 · 2025: 9 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 7 · 2020: 8 · 2019: 8 · 2018: 8 · 2017: 7 · 2016: 1
FWCI
4.16
Type
journal article
Language
en
Open access
Locations
  • Journal of Bone and Mineral Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
Amgen
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
Keywords
FGF21, bone homeostasis, PPARα agonist, PPARγ agonists, rosiglitazone, high-fat diet-induced obesity, bone loss, bone formation, bone resorption, bone marrow fat, FGF21 knockout mice, mineral apposition rate
MeSH terms
Rosiglitazone, Animals, Dietary Fats, Fibroblast Growth Factors, Gene Expression Regulation, Glucose, Homeostasis, Humans, Insulin, Male, Obesity, Bone Density, Mice, Knockout, Thiazolidinediones, PPAR alpha, PPAR gamma, Mice, Osteoprotegerin, RANK Ligand

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