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The Sprouty/Spred family as tumor suppressors: Coming of age

Tetsuro Kawazoe1,2, Koji Taniguchi1

  • 1Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo, Japan.

Cancer Science
|March 16, 2019
PubMed

Insights

The Sprouty/Spred family negatively regulates the Ras/Raf/ERK pathway. Its downregulation in cancer leads to pathway hyperactivation, presenting therapeutic opportunities.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Signaling

Background:

  • The Ras/Raf/ERK pathway is crucial in cell signaling and frequently dysregulated in cancers.
  • Mutations in Ras and Raf can cause pathway hyperactivation, but negative regulators also play a role.
  • The Sprouty/Spred family are key negative regulators of this pathway, often downregulated in malignancies.

Purpose of the Study:

  • To review the complex roles of the Sprouty/Spred family in cancer.
  • To explore the mechanisms by which Sprouty/Spred proteins suppress the Ras/Raf/ERK pathway.
  • To discuss the therapeutic potential of targeting the Sprouty/Spred family in cancer treatment.

Main Methods:

  • Literature review of studies on the Sprouty/Spred family and Ras/Raf/ERK pathway.
  • Analysis of research on the expression and function of Sprouty/Spred proteins in various cancers.
  • Synthesis of findings regarding the involvement of Sprouty/Spred in tumor initiation, promotion, and progression.

Main Results:

  • Sprouty/Spred family expression is frequently downregulated in cancers, leading to Ras/Raf/ERK pathway hyperactivation.
  • These proteins act through various mechanisms to inhibit signal transduction downstream of Ras.
  • Dysregulation of Sprouty/Spred contributes to tumor initiation, promotion, and progression.

Conclusions:

  • The Sprouty/Spred family plays a critical, albeit complex, role in cancer development.
  • Understanding these roles is essential for developing targeted cancer therapies.
  • The Sprouty/Spred family represents a promising target for future cancer treatments.
Keywords:
Ras/Raf/ERKSprouty/Spredcanceroncogenetumor suppressor

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