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The Extracellular Matrix01:42

The Extracellular Matrix

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Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
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Extracellular Matrix Microfiber Papers for Constructing Multilayered 3D Composite Tissues.

Hirotaka Nakatsuji1, Michiya Matsusaki1,2,3

  • 1Joint Research Laboratory (TOPPAN) for Advanced Cell Regulatory Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.

ACS Biomaterials Science & Engineering
|January 6, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel method for creating 3D tissues using paperlike scaffolds made from extracellular matrix (ECM). This technique enables precise control over tissue structure for advanced tissue engineering applications.

Keywords:
Blood vesselExtracellular matrixFiberPaperTissue engineering

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Area of Science:

  • Tissue Engineering
  • Biomaterials Science
  • Regenerative Medicine

Background:

  • Creating organized three-dimensional (3D) tissues in vitro remains a significant challenge in tissue engineering.
  • Existing methods often struggle with achieving high levels of structural organization and control.

Purpose of the Study:

  • To develop a novel method for fabricating highly organized 3D tissues using paperlike scaffolds.
  • To evaluate the suitability of microfibered extracellular matrix (ECM) paper for constructing multilayered tissues.
  • To demonstrate control over the thickness and composition of ECM in 3D tissue constructs.

Main Methods:

  • Fabrication of paperlike scaffolds by casting dispersions of microfibered ECM.
  • Construction of multilayered 3D tissues by stacking cell-seeded ECM papers.
  • Assessment of scaffold permeability and cell migration capabilities.

Main Results:

  • The paperlike ECM scaffold exhibited high permeability and facilitated cell migration.
  • The stacking method allowed for controlled fabrication of multilayered tissues with tunable thickness and ECM composition.
  • The developed method proved effective for constructing organized 3D tissue constructs.

Conclusions:

  • Paperlike ECM scaffolds are superior materials for 3D tissue construction due to their permeability and cell migration properties.
  • This novel stacking technique offers precise control over 3D tissue architecture.
  • The method holds potential for developing advanced normal and disease tissue models for research and therapeutic applications.