Cited by 483Bone Metabolism and DiseasesBone health and osteoporosis researchFibroblast Growth Factor Research

Disruption of the fibroblast growth factor-2 gene results in decreased bone mass and bone formation

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Montero, Aldemar, Okada, Yosuke, Tomita, Masato, Ito, Masako, Tsurukami, Hiroshi, Nakamura, Toshitaka, Doetschman, Thomas, Coffin, J. Douglas +1 more·2000·Journal of Clinical Investigation

Abstract

Basic fibroblast growth factor (FGF-2), an important modulator of cartilage and bone growth and differentiation, is expressed and regulated in osteoblastic cells. To investigate the role of FGF-2 in bone, we examined mice with a disruption of the Fgf2 gene. Measurement of trabecular bone architecture of the femoral metaphysis of Fgf2(+/+) and Fgf2(-/-) adult mice by micro-CT revealed that the platelike trabecular structures were markedly reduced and many of the connecting rods of trabecular bone were lost in the Fgf2(-/-) mice. Dynamic histomorphometry confirmed a significant decrease in trabecular bone volume, mineral apposition, and bone formation rates. In addition, there was a profound decreased mineralization of bone marrow stromal cultures from Fgf2(-/-) mice. This study provides strong evidence that FGF-2 helps determine bone mass as well as bone formation.

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  • FGF-2 knockout mice showed decreased bone mass coupled to increase of adipocytes in the bone marrow, indicating participation of FGFs in osteoblast differentiation.

    “FGF-2 knockout mice showed a decreased bone mass coupled to increase of adipocytes in the bone marrow, indicating the participation of FGFs in the osteoblast differentiation [34].”

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  1. Bilezikian, J.P., Raisz, L.G., and Rodan, G.A., editors. Academic Press. San Diego, CA. 627-645.
  2. Bilezikian, J.P., Raisz, L.G., and Rodan, G.A., editors. Academic Press. San Diego, CA. 627-645.

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Authors
Montero, A., Okada, Y., Tomita, M., Ito, M., Tsurukami, H., Nakamura, T., Doetschman, T., Coffin, J. D., & Hurley, M. M.
Affiliations
  • UConn Health (US)
  • Nagasaki University (JP)
  • University of Occupational and Environmental Health Japan (JP)
  • University of Cincinnati (US)
  • University of Montana (US)
Corresponding author
Hurley, Marja M.
Venue
Journal of Clinical Investigation
Published
2000-04-15
Volume
105
Issue
8
Pages
1085-1093
ISSN
0021-9738 (ISSN-L)
OpenAlex
W2167091901
Cited by
483
References
84
Citations by year
2026: 8 · 2025: 7 · 2024: 16 · 2023: 7 · 2022: 7 · 2021: 20 · 2020: 24 · 2019: 17 · 2018: 13 · 2017: 15 · 2016: 21 · 2015: 28 · 2014: 22 · 2013: 27 · 2012: 24
FWCI
7.23
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (1r01ar046025-01a1, 7r01hl053631-05)
  • National Heart, Lung, and Blood Institute (HL53631)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (AR46025)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bone Metabolism and Diseases
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone health and osteoporosis research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
Keywords
fibroblast growth factor 2, bone mass, bone formation, trabecular bone microarchitecture, osteoblasts, bone mineralization, mesenchymal stem cells, mineral apposition rate, femoral metaphysis
MeSH terms
Alkaline Phosphatase, Animals, Bone and Bones, Bone Marrow Cells, Cells, Cultured, Femur, Osteoblasts, Osteogenesis, RNA, Messenger, Skull, Tibia, Fibroblast Growth Factor 2, Mice, Knockout, Mice

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