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Pulling cells out of tumours.

Andrew J Ewald¹

¹Departments of Cell Biology and Oncology, Center for Cell Dynamics, Johns Hopkins University School of Medicine, 855 North Wolfe Street, Baltimore, Maryland 21205, USA.

Nature Cell Biology

|March 2, 2017

Summary

Cancer-associated fibroblasts directly drive cancer cell invasion through a mechanically active junction. This process critically requires E-cadherin on cancer cells, highlighting a key intercellular interaction in tumour progression.

Area of Science:

Oncology
Cell Biology
Biophysics

Background:

Tumours are complex ecosystems with diverse cell types.
Interactions between cancer cells and their microenvironment significantly influence tumour progression.

Purpose of the Study:

To investigate the role of cancer-associated fibroblasts (CAFs) in promoting cancer cell invasion.
To elucidate the specific intercellular mechanisms underlying CAF-mediated invasion.

Main Methods:

Analysis of intercellular interactions within tumour microenvironments.
Investigation of mechanically active junctions.
Assessment of the requirement for E-cadherin in CAF-led invasion.

Main Results:

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Cancer-associated fibroblasts play a critical role in directly driving cancer cell invasion.

This invasion is mediated by a mechanically active cadherin-based junction.

E-cadherin expression in cancer cells is essential for CAF-led invasion.

Conclusions:

Cancer-associated fibroblasts are key drivers of cancer cell invasion through direct intercellular communication.
Targeting the cadherin-based junction or E-cadherin may offer therapeutic strategies to inhibit tumour spread.