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Related Experiment Video

Updated: Oct 5, 2025

Imaging-Guided Bioreactor for Generating Bioengineered Airway Tissue
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Lung Tissue Engineering: Toward a More Deliberate Approach.

Katherine L Leiby1,2, Laura E Niklason1,3

  • 1Department of Biomedical Engineering, Yale University, New Haven, Connecticut 06520, United States.

ACS Biomaterials Science & Engineering
|January 24, 2022
PubMed
Summary

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Chronic lung disease necessitates new treatments. Lung tissue engineering and stem cell research offer hope for regenerating lungs ex vivo, addressing the organ donor shortage for transplantation.

Area of Science:

  • Regenerative Medicine
  • Biomedical Engineering
  • Pulmonary Medicine

Background:

  • Chronic lung disease is a major cause of death, with limited treatment options.
  • The scarcity of donor lungs for transplantation highlights the need for alternative solutions.
  • Advances in lung stem cell biology offer insights into alveolar repair and regeneration.

Purpose of the Study:

  • To review the current state of lung tissue engineering for ex vivo lung development.
  • To discuss the potential of combining engineering strategies with stem cell biology for lung regeneration.
  • To identify key challenges and opportunities in the field of lung engineering.

Main Methods:

  • Review of existing literature on whole lung tissue engineering.
  • Analysis of recent progress in lung stem cell biology and alveolar repair mechanisms.
Keywords:
alveolar−capillary barrierdecellularization−recellularizationlung regenerationorgan engineering

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  • Discussion of interdisciplinary approaches integrating engineering and biological insights.

    • Main Results:

    • A decade of research has established foundational systems and strategies for lung tissue engineering.
    • Significant progress in understanding lung stem cell behavior and alveolar repair pathways.
    • Identification of critical challenges hindering the development of engineered lungs.
    • Opportunities exist to merge biological understanding with engineering for successful lung regeneration.

    Conclusions:

    • Lung tissue engineering holds promise for generating donor organs ex vivo.
    • Integrating stem cell biology with engineering approaches is crucial for future success.
    • A deliberate, interdisciplinary strategy is needed to overcome challenges in lung engineering.