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Related Experiment Video

Updated: May 6, 2026

Bioprinting Cellularized Constructs Using a Tissue-specific Hydrogel Bioink
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Basic principles of hydrogel-based tissue transformation technologies and their applications.

Seo Woo Choi1, Webster Guan1, Kwanghun Chung2

  • 1Department of Chemical Engineering, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA.

Cell
|August 6, 2021
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Summary
This summary is machine-generated.

Tissue transformation technologies enable in situ investigation of molecular and anatomical features. Hydrogel-based methods create optically transparent organs for 3D mapping of cells and molecules.

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Area of Science:

  • Biotechnology
  • Molecular Imaging
  • Organ Engineering

Background:

  • In situ investigation of system-level molecular and anatomical features is crucial.
  • Hydrogel-based tissue transformation offers novel approaches to study intact organs.

Purpose of the Study:

  • To review engineering principles of tissue transformation and labeling techniques.
  • To discuss applications, challenges, and future potential of these technologies.

Main Methods:

  • Hydrogel-based engineering of physicochemical tissue properties.
  • Preservation of biomolecules in their physiological locations.
  • Integration with advanced molecular tools, labeling, and imaging.

Main Results:

  • Tissue transformation renders organs optically transparent and adjustable in size/shape.
  • Enables 3D mapping of molecules, cells, and their interrelationships.
  • Achieves increasing speeds and resolutions in molecular and cellular mapping.

Conclusions:

  • Tissue transformation technologies provide unprecedented opportunities for in situ biological investigation.
  • These methods are vital for advancing 3D mapping of biological systems.
  • Continued development holds significant future potential for biological research.