The lungs are the organ for gas exchange between the body and the external environment. This book contributes to the understanding homeostasis of lung cells in the physiological and pathological conditions critical to the development of novel therapeutics.

Part I: Lung Health and Pulmonary Diseases. Chapter 1. Antimicrobial Peptides in Lung Health and Pulmonary Diseases. Chapter 2. Alveolar Epithelium in Lung Injury and Repair. Chapter 3. Environmental Toxicants in Lung Diseases. Chapter 4. Epigenetic Modifications of Histone in Lung Fibrosis. Chapter 5. Translational Potential of Hypoxia-inducible factor-2a Signaling in Pulmonary Hypertension. Part II: Research Strategies and Methods in Lung Biology and Pathophysiology. Chapter 6. Utility of Lung Organoids to Accelerate Our Understanding of Human Pulmonary Development and Diseases. Chapter 7. Establishment of Animal Models of Pulmonary Fibrosis. Chapter 8. Research Strategies for Investigating Protein Ubiquitination in Lung Diseases. Chapter 9. Peroxidative Metabolism of Lung Lipids in Pulmonary Health and Disease: Emphasis on Methods of Analysis of Oxidative Modification of Polyunsaturated Membrane Phospholipids. Part III: Pathogenesis and Therapies of COVID-19. Chapter 10. Renin-Angiotensin System (RAS) and COVID-19: Exploring the Impact, Inhibition, and Treatment Strategies. Chapter 11. COVID-19 Therapeutics: Challenges and Opportunities. Chapter 12. Clinical manifestations and pathogenesis of COVID-19 pulmonary disease. Part IV: Traditional Chinese Medicine in Lung Diseases. Chapter 13. Pulmonary Diseases and Traditional Chinese Medicine.