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TM4SF5-mediated protein-protein networks and tumorigenic roles

Jung Weon Lee1

  • 1Department of Pharmacy, Research Institute of Pharmaceutical Sciences, Tumor Microenvironment Global Core Research Center, Medicinal Bioconvergence Research Center, College of Pharmacy, Seoul National University, Seoul 151-742, Korea.

BMB Reports
|July 17, 2014
PubMed

Insights

Transmembrane 4 L six family member 5 (TM4SF5) protein complexes regulate tumor growth and spread. Understanding TM4SF5 interactions is key to targeting tumorigenesis and metastasis.

Area of Science:

  • Molecular biology
  • Cell biology
  • Cancer research

Background:

  • Transmembrane 4 L six family member 5 (TM4SF5) is a membrane glycoprotein implicated in cancer progression.
  • TM4SF5 shares structural similarities with tetraspanins and possesses four transmembrane domains.
  • It is known to form large protein complexes involved in cellular signaling.

Purpose of the Study:

  • To review the significance of TM4SF5 interactions in tumorigenesis and metastasis.
  • To highlight the role of TM4SF5 in forming protein complexes that regulate pathological processes.

Main Methods:

  • Literature review focusing on TM4SF5.
  • Analysis of protein-protein interactions involving TM4SF5.
  • Examination of TM4SF5's role in cancer signaling pathways.

Main Results:

  • TM4SF5 forms extensive protein complexes with various membrane proteins and cytosolic signaling molecules.
  • Key interactions include those with integrins (α2, α5, β1), EGFR, IL6R, CD151, FAK, and c-Src.
  • These interactions are crucial for regulating signaling activities during tumorigenesis and metastasis.

Conclusions:

  • TM4SF5 plays a critical role in promoting cancer development and spread through complex formation and signaling modulation.
  • Targeting TM4SF5-mediated interactions presents a potential therapeutic strategy for cancer treatment.
  • Further research into these interactions can elucidate mechanisms of TM4SF5-driven cancer.

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