Lung-on-a-chip: From design principles to disease applications

Area of Science:

• Biomedical Engineering
• Respiratory Physiology
• Microfluidics

Background:

• Increasing demand for precise lung models due to rising respiratory diseases, lung cancer, and pandemics like COVID-19.
• Limitations of traditional lung models in fully replicating human physiological complexity.
• Emergence of lung-on-a-chip as a promising alternative.

Purpose of the Study:

• To provide a comprehensive review of lung-on-a-chip technology.
• To detail the components, fabrication methods, and applications of these advanced lung models.
• To highlight the potential of lung-on-a-chip in respiratory health research.

Main Methods:

• Review of current literature on lung-on-a-chip systems.
• Analysis of microfluidic principles and fabrication techniques.
• Summarization of applications in disease modeling and aerosol studies.

Main Results:

• Lung-on-a-chip devices effectively replicate key lung features like air-liquid interface and respiration mechanics.
• Diverse fabrication methods enable the creation of complex, physiologically relevant models.
• Successful applications demonstrated in modeling respiratory diseases and aerosol deposition.

Conclusions:

• Lung-on-a-chip technology presents a significant advancement over traditional models.
• These models hold vast potential for personalized medicine, drug discovery, and disease prevention.
• Further development promises to transform respiratory health research and patient care.