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Updated: Feb 15, 2026

Isolation of Circulating Tumor Cells in an Orthotopic Mouse Model of Colorectal Cancer
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Effects of EphB4 receptor expression on colorectal cancer cells, tumor growth, vascularization and composition

Elif Kadife1,2, Thomas Michael Benjamin Ware3, Rodney Brian Luwor3

  • 1a Centre for Chronic Diseases, College of Health and Biomedicine , Victoria University , Melbourne , Australia.

Acta Oncologica (Stockholm, Sweden)
|January 26, 2018
PubMed
Abstract

Insights

High EphB4 receptor expression in colorectal cancer (CRC) cells boosts migration and tumor growth. This suggests increased potential for metastasis in CRC patients with high EphB4 levels.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Colorectal cancer (CRC) is a leading cause of cancer mortality globally.
  • EphB4 receptor expression is implicated in various cancers, but its role in CRC remains debated.
  • Previous studies on EphB4 in CRC have produced conflicting findings.

Purpose of the Study:

  • To investigate the impact of EphB4 expression levels on colorectal cancer cell behavior.
  • To determine the contribution of EphB4 to tumor growth and vascularization in CRC models.

Main Methods:

  • Colorectal cancer cell lines (SW480, LIM2405, CT26) were transfected to modulate EphB4 expression.
  • High EphB4 expressing cells were compared against low EphB4 expressing controls.
  • In vitro proliferation, migration assays, and in vivo subcutaneous xenografts were performed.

Main Results:

  • Elevated EphB4 expression significantly enhanced CRC cell migration in vitro.
  • High EphB4 levels led to increased tumor growth and vascularization in vivo.
  • EphrinB2-Fc stimulation induced cell clustering in high EphB4 expressing CRC cells.

Conclusions:

  • High EphB4 expression correlates with enhanced CRC cell migration and tumor vascularization.
  • These findings suggest that elevated EphB4 may promote colorectal cancer metastasis.
  • Targeting EphB4 could be a potential therapeutic strategy for colorectal cancer.

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