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Related Experiment Video

Updated: Oct 22, 2025

Three-Dimensional 3D Tumor Spheroid Invasion Assay
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3D Stroma Invasion Assay.

Yvette May Coulson-Thomas1, Vivien Jane Coulson-Thomas2

  • 1Department of Biochemistry, Universidade Federal de São Paulo, São Paulo, Brazil.

Bio-Protocol
|August 30, 2021
PubMed
Summary
This summary is machine-generated.

A novel 3D co-culture model using fibroblasts and colorectal cancer cells allows detailed study of the desmoplastic reaction and its impact on cancer cell migration through the stroma.

Keywords:
3D cultureCancer cell invasionCancer cellsDesmoplastic reactionFibroblastsStromagenic system

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Area of Science:

  • Oncology
  • Cell Biology
  • Biotechnology

Background:

  • The desmoplastic reaction, a hallmark of many solid tumors, involves extensive extracellular matrix remodeling by cancer-associated fibroblasts.
  • Understanding this reaction is crucial as it influences tumor progression, including cancer cell invasion and metastasis.
  • Current in vitro models often fail to recapitulate the complexity of the tumor microenvironment and the desmoplastic reaction.

Purpose of the Study:

  • To present a detailed protocol for a 3D co-culture system that mimics the tumor microenvironment.
  • To enable the study of the desmoplastic reaction in colorectal cancer.
  • To investigate how the desmoplastic reaction affects colorectal cancer cell migration within the stromal matrix.

Main Methods:

  • Development of a 3D co-culture system incorporating human fibroblasts and colorectal cancer cells.
  • Utilizing established protocols for in vitro cell culture and matrix analysis.
  • Detailed description of the methodology for observing and quantifying cancer cell behavior within the 3D matrix.

Main Results:

  • The 3D co-culture system successfully replicates key aspects of the desmoplastic reaction observed in vivo.
  • The system allows for the observation and analysis of colorectal cancer cell migration dynamics within a simulated stromal environment.
  • The influence of fibroblast-mediated matrix remodeling on cancer cell motility can be effectively studied.

Conclusions:

  • The described 3D co-culture model provides a valuable platform for investigating the role of the desmoplastic reaction in colorectal cancer.
  • This model facilitates research into the mechanisms by which the tumor microenvironment impacts cancer cell invasion and metastasis.
  • The detailed protocol enables reproducibility and further exploration of fibroblast-cancer cell interactions in 3D.