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Related Experiment Video

Updated: Nov 6, 2025

Author Spotlight: Dissection and Isolation of Region-Specific Decellularized Lung Tissue
05:25

Author Spotlight: Dissection and Isolation of Region-Specific Decellularized Lung Tissue

Published on: September 29, 2023

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Development of novel apoptosis-assisted lung tissue decellularization methods.

Young Hye Song1, Mark A Maynes2, Nora Hlavac2

  • 1J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL, USA. markmaynes@ufl.edu nhlavac@ufl.edu daniel.visosevic@ufl.edu daramolak0924@ufl.edu stacy.porvasnik@medicine.ufl.edu schmidt@bme.ufl.edu and Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR, USA. yhsong@uark.edu.

Biomaterials Science
|May 5, 2021
PubMed
Summary

This study introduces a new apoptosis-assisted method for decellularizing lung tissue, improving extracellular matrix preservation and cell removal for regenerative medicine and disease modeling.

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Engineered Lung Tissues Prepared from Decellularized Lung Slices
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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Decellularized tissues are valuable scaffolds for regenerative medicine and disease modeling.
  • Current detergent-based decellularization methods can damage extracellular matrix (ECM) and tissue structure.
  • Apoptosis-assisted decellularization shows promise for superior ECM preservation but needs optimization for complex tissues like lungs.

Purpose of the Study:

  • To develop and optimize an apoptosis-assisted decellularization method for lung tissue.
  • To evaluate the efficacy of this new method in cell removal and ECM preservation compared to existing techniques.
  • To assess the suitability of the resulting lung ECM hydrogels for 3D cell culture.

Main Methods:

  • Developed a novel apoptosis-assisted lung decellularization protocol using camptothecin and sulfobetaine-10 (SB-10).
  • Compared the effectiveness of the combined agents against individual agents and a standard detergent-based protocol.
  • Assessed ECM integrity and cell removal efficiency.
  • Created thermally-gelling lung ECM hydrogels and cultured rat lung epithelial cells.

Main Results:

  • The combined camptothecin and SB-10 treatment significantly improved cell removal and ECM preservation compared to single agents.
  • The apoptosis-assisted method outperformed a conventional detergent-based protocol in cell removal.
  • Lung ECM hydrogels supported high viability of rat lung epithelial cells for 2 weeks in culture.

Conclusions:

  • Apoptosis-based decellularization is a superior technique for lung tissue, offering enhanced cell removal and ECM preservation.
  • This optimized method holds significant potential for advancing regenerative medicine and disease modeling applications using lung tissue.
  • The developed lung ECM hydrogels are suitable for creating advanced 3D cell culture models.