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Strength and duration of GIPC-dependent signaling networks as determinants in cancer

Tasmia Ahmed1, Karthikeyan Mythreye2, Nam Y Lee3

  • 1Deparment of Pharmacology, College of Medicine, University of Arizona, Tucson, AZ, USA.

Neoplasia (New York, N.Y.)
|December 28, 2020
PubMed

Insights

GIPC protein interactions influence cancer, promoting or suppressing tumors. Understanding GIPC signaling pathways is key for developing targeted cancer therapies.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Oncology

Background:

  • GIPC (G protein-coupled receptor interacting protein) is a PDZ-domain adaptor protein.
  • It regulates cell surface expression and endocytic trafficking of transmembrane receptors and signaling complexes.
  • GIPC interacts with over 50 proteins, including VEGFR, IGF-1R, GPCRs, and APPL, crucial for development.

Purpose of the Study:

  • To review GIPC signaling pathways in various cancers.
  • To highlight divergent mechanisms of GIPC action in tumorigenesis and tumor suppression.
  • To provide a rationale for GIPC-targeted cancer therapies.

Main Methods:

  • Literature review of GIPC interactions and signaling pathways.
  • Analysis of GIPC's dual role in cancer (tumorigenesis vs. tumor suppression).
  • Identification of key GIPC-binding partners in cancer.

Main Results:

  • GIPC signaling pathways are widespread in normal tissues and malignancies.
  • GIPC can promote tumorigenesis or exhibit tumor-suppressive effects depending on context.
  • The strength and duration of GIPC interactions dictate its signaling outcome.

Conclusions:

  • GIPC plays a complex, context-dependent role in cancer.
  • Understanding GIPC's diverse signaling mechanisms is essential for therapeutic strategies.
  • Targeting GIPC offers a promising avenue for novel cancer treatments.
Keywords:
CancerGIPC signal transduction

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