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Decellularized matrices for tumor cell modeling.

Virginia Brancato1, Maurizio Ventre2, Rui L Reis3

  • 13B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Guimarães, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal.

Methods in Cell Biology
|April 27, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed a cost-effective method using decellularized ovine skin to create biomimetic scaffolds. These scaffolds support cancer cell growth and offer a reproducible, native-like extracellular matrix for in vitro studies.

Keywords:
3D tumor modelsCell-derived matrixCollagen networksDecellularized ovine skin

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Area of Science:

  • Biomaterials Science
  • Extracellular Matrix Research
  • Cancer Biology

Background:

  • Collagen is crucial for the extracellular matrix and tumor progression.
  • Commercial collagen solutions have limitations: high cost, poor stability, lot-to-lot variability, and lack of native tissue mimicry.
  • Existing collagen scaffolds often differ structurally and mechanically from native tissues.

Purpose of the Study:

  • To present a straightforward, cost-effective method for preparing decellularized ovine skin scaffolds.
  • To evaluate the suitability of these scaffolds as biomimetic models for in vitro cell behavior studies.
  • To offer a reproducible alternative to commercial collagen products.

Main Methods:

  • Utilized by-products from the tanning industry (ovine skin).
  • Developed a protocol to decellularize skin while preserving the native collagen microstructure.
  • Cultured various cancer cell lines (pancreatic, breast, melanoma) on the decellularized scaffolds.

Main Results:

  • The decellularized ovine skin scaffolds preserved the native collagen network microstructure.
  • The scaffolds demonstrated cost-effectiveness and high reproducibility.
  • Successful adhesion and growth of pancreatic, breast, and melanoma cancer cells were observed on the scaffolds.

Conclusions:

  • Decellularized ovine skin provides a structurally competent and biomimetic extracellular matrix model.
  • This method offers a low-cost, reproducible alternative to commercial collagen scaffolds for in vitro cancer research.
  • The scaffolds present a promising platform for investigating cell behavior in a native-like environment.