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Related Experiment Video

Updated: Jun 29, 2025

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Assembled/Disassembled Modular Scaffolds for Multicellular Tissue Engineering.

Xiaopeng Yu1,2, Hongshi Ma1,2, Yufeng Wang1

  • 1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, P. R. China.

Advanced Materials (Deerfield Beach, Fla.)
|March 27, 2024
PubMed
Summary
This summary is machine-generated.

This study introduces a modular scaffold for precisely organizing multiple cell types, enabling investigation into cell interactions. The developed scaffolds enhance tissue regeneration, offering a new strategy for complex tissue engineering.

Keywords:
cell spatial distributionintercellular cross‐talkmodular assembled scaffoldsmulticellular tissue engineering

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Cell Biology

Background:

  • Cellular behavior is significantly influenced by spatial interactions within tissues.
  • Precisely controlling the spatial organization of diverse cells in multicellular constructs is crucial but challenging.
  • Developing versatile multicellular scaffolds with ordered multi-cell type distribution remains a significant hurdle.

Purpose of the Study:

  • To construct a modular multicellular tissue engineering scaffold with ordered spatial distribution of different cell types.
  • To investigate intercellular cross-talk and its impact on cell proliferation and differentiation.
  • To evaluate the potential of these scaffolds in complex tissue regeneration.

Main Methods:

  • Assembly of varying cell-laden modules to create multicellular scaffolds.
  • Disassembly of modular scaffolds to assess individual cell type contributions.
  • Establishment of co-culture models: macrophage-mesenchymal stem cell (MSC), endothelial cell-MSC, and chondrocyte-MSC.

Main Results:

  • Successfully constructed modular scaffolds with ordered spatial distribution of multiple cell types.
  • Demonstrated that intercellular cross-talk promotes proliferation and differentiation in co-cultured cells.
  • Identified the nuclear factor of activated T-Cells (NFAT) signaling pathway involved in MSC regulation of chondrocytes.
  • Modular scaffolds with chondrocyte-MSC showed enhanced osteochondral tissue regeneration.

Conclusions:

  • The modular scaffold strategy enables systematic investigation of intercellular cross-talk in engineered tissues.
  • This approach facilitates the construction of complex multicellular constructs for advanced tissue engineering.
  • The developed scaffolds show promise for enhancing the regeneration of osteochondral defects.