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The microRNA networks of TGFβ signaling in cancer

V P Sivadas1, S Kannan

  • 1Laboratory of Cell Cycle Regulation & Molecular Oncology, Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, 695011, Kerala, India.

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
|December 11, 2013
PubMed

Insights

MicroRNAs (miRNAs) explain the dual role of transforming growth factor β (TGFβ) signaling in cancer. These small RNAs regulate TGFβ, influencing both tumor suppression and progression.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Cell Signaling

Background:

  • Transforming growth factor β (TGFβ) signaling is crucial for metazoan development and tissue homeostasis.
  • TGFβ exhibits context-dependent roles in cancer, initially suppressing tumors but later promoting progression in advanced stages.
  • The dual nature of TGFβ in cancer has been a long-standing question in the field.

Purpose of the Study:

  • To review the role of microRNAs (miRNAs) in modulating TGFβ signaling in cancer.
  • To elucidate how miRNAs contribute to the dual functions of TGFβ during tumor initiation and progression.
  • To discuss recent advancements in understanding TGFβ signaling deregulation in carcinogenesis.

Main Methods:

  • Literature review focusing on microRNAs and TGFβ signaling in cancer.
  • Analysis of studies investigating miRNA-mediated regulation of TGFβ pathways.
  • Synthesis of current knowledge on TGFβ's role in tumor suppression and progression.

Main Results:

  • MicroRNAs play a significant role in deregulating TGFβ signaling in cancer cells.
  • Specific miRNAs can either inhibit or promote TGFβ-driven processes relevant to cancer.
  • Understanding miRNA-TGFβ interactions provides insights into cancer cell behavior.

Conclusions:

  • MicroRNAs are key regulators that explain the paradoxical roles of TGFβ in cancer.
  • Targeting miRNA-TGFβ interactions may offer novel therapeutic strategies for cancer treatment.
  • Further research into miRNA-mediated regulation of TGFβ signaling is essential for cancer research.

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