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Related Experiment Video

Updated: Apr 26, 2026

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets
09:24

Tissue Engineering: Construction of a Multicellular 3D Scaffold for the Delivery of Layered Cell Sheets

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Cell sheet technology for cardiac tissue engineering.

Yuji Haraguchi1, Tatsuya Shimizu, Katsuhisa Matsuura

  • 1Institute of Advanced Biomedical Engineering and Science, TWIns, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|July 30, 2014
PubMed
Summary

Cell sheet technology enables scaffold-free fabrication of 3D cardiac tissues. Recovered cell sheets are easily transplanted, enhancing cardiac tissue regeneration and therapeutic effectiveness.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Cell sheet technology offers a promising approach for creating three-dimensional (3D) tissues.
  • Fabricating functional 3D tissues often requires scaffolds and complex procedures.
  • Cardiac tissue regeneration remains a significant challenge in medicine.

Purpose of the Study:

  • To describe methods for fabricating and transplanting 3D tissues using cell sheet technology for cardiac regeneration.
  • To demonstrate the utility of temperature-responsive culture surfaces for cell sheet recovery.
  • To evaluate the efficacy of cell sheet transplantation in cardiac tissue repair.

Main Methods:

  • Fabrication of temperature-responsive culture surfaces by grafting poly(N-isopropylacrylamide) onto polystyrene.
  • Confluent cell culture on these surfaces allows recovery of intact cell sheets.
  • Layering of cell sheets to create scaffold-free 3D tissues.
  • Transplantation of various cardiac cell sheets (myoblasts, stem cells, progenitor cells) onto animal heart models.

Main Results:

  • Intact cell sheets were successfully recovered from temperature-responsive surfaces.
  • Functional 3D tissues were fabricated by layering cell sheets without scaffolds.
  • Cell sheet constructs were efficiently transplanted onto heart tissues in animal models.
  • Enhanced cell transplant efficiency and effective cardiac therapy were observed.

Conclusions:

  • Cell sheet technology provides a simple and effective method for creating scaffold-free 3D tissues.
  • Temperature-responsive surfaces facilitate the recovery and manipulation of cell sheets.
  • Transplantation of cell sheet constructs significantly improves cardiac tissue regeneration and therapeutic outcomes.