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Transforming growth factor β and bone morphogenetic protein actions in brain tumors

Laia Caja1, Claudia Bellomo1, Aristidis Moustakas1

  • 1Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden; Ludwig Cancer Research, Science for Life Laboratory, Uppsala University, Box 595, SE-751 24 Uppsala, Sweden.

FEBS Letters
|May 11, 2015
PubMed

Insights

Transforming growth factor-β (TGF-β) and bone morphogenetic protein (BMP) signaling pathways have opposing roles in brain cancers. TGF-β promotes malignancy, while BMPs suppress it by inducing tumor cell differentiation.

Area of Science:

  • Oncology
  • Molecular Biology
  • Neuroscience

Background:

  • Transforming growth factor-β (TGF-β) family members are involved in various cancers.
  • The TGF-β and bone morphogenetic protein (BMP) signaling pathways have context-dependent roles in tumorigenesis, acting as either tumor suppressors or promoters.
  • In brain malignancies, TGF-β signaling is linked to oncogenic development and progression.

Purpose of the Study:

  • To examine the roles of TGF-β and BMP signaling in brain malignancies.
  • To understand how these pathways influence tumor progression and heterogeneity.
  • To identify potential therapeutic targets for brain tumors.

Main Methods:

  • Review of existing literature on TGF-β and BMP signaling in brain tumors.
  • Analysis of the context-dependent actions of these pathways.
  • Discussion of the impact on cancer stem cells and tumor cell differentiation.

Main Results:

  • TGF-β signaling promotes oncogenic development and progression in brain malignancies.
  • BMP signaling acts as a tumor suppressor by inducing differentiation, particularly evident in glioblastoma.
  • Mechanisms linking tumor cell differentiation to invasion are explored.

Conclusions:

  • TGF-β and BMP signaling pathways play critical, opposing roles in brain tumor biology.
  • Understanding these pathways' actions on cancer stem cells is key to explaining tumor progression.
  • Targeting TGF-β and BMP signaling offers potential for novel therapeutic strategies in brain cancer treatment.
Keywords:
Bone morphogenetic proteinBrainCancerDifferentiationGliomaTransforming growth factor β

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