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Updated: Oct 14, 2025

RhoC GTPase Activation Assay
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Rho GTPase signalling networks in cancer cell transendothelial migration

Wessel S Rodenburg1, Jaap D van Buul1,2

  • 1Molecular Cell Biology Lab at Department of Molecular Hematology, Sanquin Research and Landsteiner Laboratory, Amsterdam, the Netherlands.

Vascular Biology (Bristol, England)
|November 5, 2021
PubMed

Insights

Rho GTPases regulate cell movement and are crucial for cancer cell extravasation, a key step in metastasis. Targeting these signaling networks may inhibit cancer spread.

Area of Science:

  • Cell Biology
  • Cancer Biology
  • Molecular Signaling

Background:

  • Rho GTPases are key regulators of cytoskeleton dynamics, influencing cell shape, adhesion, and migration.
  • Cancer cell invasion and metastasis rely on cellular processes regulated by Rho GTPases.
  • Extravasation, the process of cancer cells breaching the endothelium, is a critical step in metastasis.

Purpose of the Study:

  • To review the intricate process of cancer cell extravasation.
  • To elucidate the roles and regulation of Rho GTPase signaling networks in cancer cell extravasation.
  • To examine these roles from both cancer and endothelial cell perspectives.

Main Methods:

  • Literature review focusing on Rho GTPase signaling in cancer metastasis.
  • Analysis of molecular mechanisms governing cancer cell extravasation.
  • Integration of findings from cancer cell and endothelial cell studies.

Main Results:

  • Rho GTPase signaling networks are essential for cancer cell transmigration through the endothelium.
  • These networks modulate cancer-endothelial cell interactions and endothelial barrier integrity.
  • Disruption of endothelial barrier function by cancer cells is facilitated by Rho GTPase activity.

Conclusions:

  • Rho GTPase signaling is pivotal in enabling cancer cell extravasation and subsequent metastasis.
  • Targeting Rho GTPase signaling pathways presents a potential therapeutic strategy to impede cancer metastasis.
  • Understanding these networks offers insights into inhibiting the metastatic cascade.
Keywords:
Rho GTPasecancerendotheliumextravasationinvadopodiametastasis

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