Engineering function in lung biology: integrating imaging, regenerative constructs, and functional biodesign.

Area of Science:

• Regenerative Medicine
• Bioengineering
• Pulmonary Biology

Background:

• Lung regeneration is complex, requiring integration of cellular diversity, architecture, mechanics, perfusion, and immune function.
• Current understanding of lung biology is limited by the lack of platforms to test functional restoration of engineered tissues under physiological conditions.

Purpose of the Study:

• To review emerging technologies for functional biodesign in lung regeneration.
• To highlight experimental systems and imaging platforms for evaluating lung tissue engineering.
• To discuss regenerative strategies and benchmarks for clinical success.

Main Methods:

• Focus on technologies coupling engineered constructs with measurement systems simulating native lung mechanics, flow, and immune dynamics.
• Highlight lung-scale experimental systems (e.g., engineered whole-lung scaffolds) and dynamic imaging (e.g., crystal ribcage).
• Survey cell-based, molecular, and subcellular interventions for functional augmentation.

Main Results:

• Emerging technologies enable functional evaluation of engineered lung tissues under physiological load.
• Dynamic imaging platforms allow real-time quantification of alveolar mechanics, perfusion, immune cell behavior, and matrix remodeling.
• Established evidence framework evaluates lung regeneration by physiological performance.

Conclusions:

• Functional biodesign platforms are crucial for advancing lung regeneration research.
• Shifting focus to physiological performance accelerates progress towards clinically actionable lung repair.
• Lessons from medical device translation inform benchmarks for regenerative success.