Fibroblast growth factor-2 is an important factor that maintains cellular immaturity and contributes to aggressiveness of osteosarcoma

Takatsune Shimizu, Tomoki Ishikawa, Sayaka Iwai, Arisa Ueki, Eiji Sugihara, Nobuyuki Onishi, Shinji Kuninaka, Takeshi Miyamoto, Yoshiaki Toyama, Hiroshi Ijiri, Hajime Mori, Yumi Matsuzaki, Tomonori Yaguchi, Hiroshi Nishio, Yutaka Kawakami, Yasuo Ikeda, Hideyuki Saya

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Osteosarcoma is the most frequent, nonhematopoietic, primary malignant tumor of bone. Histopathologically, osteosarcoma is characterized by complex mixtures of different cell types with bone formation. The role of environmental factors in the formation of such a complicated tissue structure as osteosarcoma remains to be elucidated. Here, a newly established murine osteosarcoma model was used to clarify the roles of environmental factors such as fibroblast growth factor-2 (Fgf2) or leukemia-inhibitory factor (Lif) in the maintenance of osteosarcoma cells in an immature state. These factors were highly expressed in tumor environmental stromal cells, rather than in osteosarcoma cells, and they potently suppressed osteogenic differentiation of osteosarcoma cells in vitro and in vivo. Further investigation revealed that the hyperactivation of extracellular signal-regulated kinase (Erk)1/2 induced by these factors affected in the process of osteosarcoma differentiation. In addition, Fgf2 enhanced both proliferation and migratory activity of osteosarcoma cells and modulated the sensitivity of cells to an anticancer drug. The results of the present study suggest that the histology of osteosarcoma tumors which consist of immature tumor cells and pathologic bone formations could be generated dependent on the distribution of such environmental factors. The combined blockade of the signaling pathways of several growth factors, including Fgf2, might be useful in controlling the aggressiveness of osteosarcoma.

Original languageEnglish
Pages (from-to)454-468
Number of pages15
JournalMolecular Cancer Research
Volume10
Issue number3
DOIs
Publication statusPublished - 2012 Mar

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Fibroblast Growth Factor 2
Osteosarcoma
Osteogenesis
Leukemia Inhibitory Factor
Neoplasms
Mitogen-Activated Protein Kinase 3
Mitogen-Activated Protein Kinase 1
Stromal Cells
Complex Mixtures
Cell Differentiation
Intercellular Signaling Peptides and Proteins
Histology
Maintenance
Bone and Bones

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Oncology

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Fibroblast growth factor-2 is an important factor that maintains cellular immaturity and contributes to aggressiveness of osteosarcoma. / Shimizu, Takatsune; Ishikawa, Tomoki; Iwai, Sayaka; Ueki, Arisa; Sugihara, Eiji; Onishi, Nobuyuki; Kuninaka, Shinji; Miyamoto, Takeshi; Toyama, Yoshiaki; Ijiri, Hiroshi; Mori, Hajime; Matsuzaki, Yumi; Yaguchi, Tomonori; Nishio, Hiroshi; Kawakami, Yutaka; Ikeda, Yasuo; Saya, Hideyuki.

In: Molecular Cancer Research, Vol. 10, No. 3, 03.2012, p. 454-468.

Research output: Contribution to journalArticle

Shimizu, T, Ishikawa, T, Iwai, S, Ueki, A, Sugihara, E, Onishi, N, Kuninaka, S, Miyamoto, T, Toyama, Y, Ijiri, H, Mori, H, Matsuzaki, Y, Yaguchi, T, Nishio, H, Kawakami, Y, Ikeda, Y & Saya, H 2012, 'Fibroblast growth factor-2 is an important factor that maintains cellular immaturity and contributes to aggressiveness of osteosarcoma', Molecular Cancer Research, vol. 10, no. 3, pp. 454-468. https://doi.org/10.1158/1541-7786.MCR-11-0347
Shimizu, Takatsune ; Ishikawa, Tomoki ; Iwai, Sayaka ; Ueki, Arisa ; Sugihara, Eiji ; Onishi, Nobuyuki ; Kuninaka, Shinji ; Miyamoto, Takeshi ; Toyama, Yoshiaki ; Ijiri, Hiroshi ; Mori, Hajime ; Matsuzaki, Yumi ; Yaguchi, Tomonori ; Nishio, Hiroshi ; Kawakami, Yutaka ; Ikeda, Yasuo ; Saya, Hideyuki. / Fibroblast growth factor-2 is an important factor that maintains cellular immaturity and contributes to aggressiveness of osteosarcoma. In: Molecular Cancer Research. 2012 ; Vol. 10, No. 3. pp. 454-468.
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