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Related Experiment Video

Updated: Jun 11, 2026

Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold
07:09

Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold

Published on: October 26, 2018

Rapid construction of mechanically- confined multi- cellular structures using dendrimeric intercellular linker.

Xuejun Mo1, Qiushi Li, Lena Wai Yi Lui

  • 1Department of Chemistry, Faculty of Science, National University of Singapore, S05-03-09, 3Science Drive 3, Singapore 117576, Singapore.

Biomaterials
|July 6, 2010
PubMed
Summary

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Researchers developed a novel dendrimeric linker for rapid cell assembly into functional tissue constructs. This breakthrough in tissue engineering enables quick creation of complex 3D structures for biomedical applications.

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Cell Biology

Background:

  • Mimicking in vivo cell-cell and cell-matrix interactions is crucial for engineering tissues, especially for cell-dense, matrix-poor internal organs.
  • Rapid and precise assembly of cells into functional tissue constructs presents a significant challenge in the field of tissue engineering.

Purpose of the Study:

  • To demonstrate a method for the rapid assembly of C3A cells into multi-cellular structures using a novel dendrimeric intercellular linker.
  • To investigate the potential of this method for creating defined multi-cellular building blocks for complex 3D tissue constructs.

Main Methods:

  • Utilized a dendrimeric intercellular linker composed of oleyl-polyethylene glycol (PEG) derivatives conjugated to a polypropylenimine (DAB) dendrimer.
  • Employed mechanical methods like centrifugation and micromanipulation to rapidly assemble linker-treated cells into multi-cellular structures within minutes.

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Dendrimer-based Uneven Nanopatterns to Locally Control Surface Adhesiveness: A Method to Direct Chondrogenic Differentiation
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Construction of Modular Hydrogel Sheets for Micropatterned Macro-scaled 3D Cellular Architecture
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Last Updated: Jun 11, 2026

Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold
07:09

Manipulating Living Cells to Construct Stable 3D Cellular Assembly Without Artificial Scaffold

Published on: October 26, 2018

Dendrimer-based Uneven Nanopatterns to Locally Control Surface Adhesiveness: A Method to Direct Chondrogenic Differentiation
14:46

Dendrimer-based Uneven Nanopatterns to Locally Control Surface Adhesiveness: A Method to Direct Chondrogenic Differentiation

Published on: January 20, 2018

Construction of Modular Hydrogel Sheets for Micropatterned Macro-scaled 3D Cellular Architecture
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Construction of Modular Hydrogel Sheets for Micropatterned Macro-scaled 3D Cellular Architecture

Published on: January 11, 2016

  • Leveraged the dendrimer's positive charge to concentrate the linker on negatively charged cell surfaces, facilitating oleyl group insertion into cell membranes.

    • Main Results:

    • Achieved rapid assembly of C3A cells into multi-cellular structures in minutes.
    • Demonstrated high cell viability, proliferation, and maintenance of cellular functions within the assembled constructs.
    • Successfully constructed defined multi-cellular shapes including rings, sheets, and branching rods.

    Conclusions:

    • The developed dendrimeric linker enables rapid and efficient assembly of cells into functional tissue constructs.
    • The method provides versatile building blocks for the creation of complex 3D tissue constructs for various biomedical applications.
    • This approach addresses a key challenge in tissue engineering by facilitating precise and rapid cell arrangement.