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Related Experiment Video

Updated: May 31, 2026

Molecular Profiling of the Invasive Tumor Microenvironment in a 3-Dimensional Model of Colorectal Cancer Cells and Ex vivo Fibroblasts
10:33

Molecular Profiling of the Invasive Tumor Microenvironment in a 3-Dimensional Model of Colorectal Cancer Cells and Ex vivo Fibroblasts

Published on: April 29, 2014

Co-Assembling 3D In Vitro Model to Recreate the Colorectal Tumor Microenvironment.

Magda Martínez-Espuga1,2, Samna Sagadevan2,3, Cosimo Ligorio1,2

  • 1Department of Chemical and Environmental Engineering, University of Nottingham, Nottingham, UK.

Advanced Healthcare Materials
|May 30, 2026
PubMed
Summary
This summary is machine-generated.

Researchers developed advanced nanofibrous composite hydrogels that mimic the tumor microenvironment (TME). These engineered materials support long-term growth of colorectal cancer organoids, offering a better model for studying cancer progression and personalized medicine.

Keywords:
biomaterialscolorectal cancerpatient‐derived tumor organoidsynthetic hydrogelstumor microenvironment

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Last Updated: May 31, 2026

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Published on: February 10, 2023

Area of Science:

  • Biomaterials Science
  • Cancer Biology
  • Tissue Engineering

Background:

  • Current 3D in vitro models inadequately represent the tumor microenvironment's (TME) complexity and extracellular matrix (ECM) dynamics.
  • Cell-matrix interactions within the TME are crucial for tumor progression, yet are poorly modeled in existing systems.

Purpose of the Study:

  • To engineer advanced nanofibrous composite hydrogels that accurately recapitulate the colorectal cancer TME (CRC-TME).
  • To create a reproducible platform for studying matrix-driven signaling and enabling personalized medicine approaches.

Main Methods:

  • Co-assembled peptide amphiphiles (PAs) with tumor-specific ECM macromolecules (collagen type I, hyaluronan, laminin alpha 4, fibronectin).
  • Fabricated hydrogels with randomly oriented (rPA) or aligned (aPA) nanofibers to control architecture.
  • Utilized colorectal cancer cell lines and patient-derived organoids (PDOs) for in vitro testing.

Main Results:

  • The designed hydrogels successfully mimicked the biochemical composition, fibrillar architecture, and mechanical properties of the CRC-TME.
  • rPA-based hydrogels supported long-term (21 days) organoid growth, preserving tumor morphology and transcriptional profiles.
  • Transcriptomic analysis showed rPA-ECM hydrogels upregulated ECM remodeling genes and maintained lineage-specific differentiation.

Conclusions:

  • The developed nanofibrous composite hydrogels provide a sophisticated platform for recapitulating TMEs, bridging the gap between simplistic models and clinical complexity.
  • This platform enables precise interrogation of matrix-driven signaling and holds significant potential for advancing personalized cancer medicine.