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Studying TGF-β Signaling and TGF-β-induced Epithelial-to-mesenchymal Transition in Breast Cancer and Normal Cells
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14-3-3ζ turns TGF-β to the dark side

Peter ten Dijke1, Hans van Dam1

  • 1Department of Molecular Cell Biology, Cancer Genomics Centre Netherlands, Leiden University Medical Center, Postbus 9600, 2300 RC Leiden, the Netherlands; Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, Box 595, 75124 Uppsala, Sweden.

Cancer Cell
|February 12, 2015
PubMed

Insights

The adaptor protein 14-3-3ζ influences transforming growth factor beta (TGF-β)/SMAD signaling, a key pathway in cancer. This interaction modulates SMAD activity, impacting breast cancer progression and revealing context-dependent roles in tumorigenesis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Signaling

Background:

  • Transforming growth factor beta (TGF-β)/SMAD signaling exhibits context-dependent dual roles in cancer.
  • Understanding the regulatory mechanisms governing this pathway is crucial for cancer therapy.

Purpose of the Study:

  • To investigate the role of the adaptor protein 14-3-3ζ in modulating TGF-β/SMAD signaling during breast cancer progression.
  • To identify how 14-3-3ζ influences SMAD activity and its interaction partners.

Main Methods:

  • The study likely involved molecular biology techniques to analyze protein-protein interactions.
  • Investigated the impact of 14-3-3ζ on SMAD complex formation and transcriptional activity in breast cancer models.

Main Results:

  • Identified 14-3-3ζ as a critical modulator of SMAD activity.
  • Demonstrated that 14-3-3ζ alters SMAD interaction partners, thereby influencing breast cancer progression.

Conclusions:

  • 14-3-3ζ plays a pivotal role in determining the context-dependent functions of TGF-β/SMAD signaling in breast cancer.
  • Targeting 14-3-3ζ interactions could offer novel therapeutic strategies for breast cancer.

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