Chromatin/metabolism; Epithelial Cells/metabolism; Fibroblasts/metabolism; Green Fluorescent Proteins/metabolism; Lung/metabolism; Pulmonary Surfactant-Associated Protein C/metabolism; Alleles; Animals; Antigens, Differentiation, B-Lymphocyte/genetics; Antigens, Differentiation, B-Lymphocyte/metabolism; Bronchioles/cytology; Bronchioles/metabolism; Cell Differentiation/genetics; Cell Growth Processes/genetics; Cells, Cultured; Chromatin/genetics; Epithelial Cells/cytology; Female; Fibroblasts/cytology; Gene Expression; Gene Expression Profiling/methods; Green Fluorescent Proteins/genetics; Histocompatibility Antigens Class II/genetics; Histocompatibility Antigens Class II/metabolism; Lung/cytology; Lung Injury/genetics; Lung Injury/metabolism; Lung Injury/pathology; Male; Membrane Proteins/genetics; Membrane Proteins/metabolism; Mice; Mice, Transgenic; Promoter Regions, Genetic; Pulmonary Alveoli/cytology; Pulmonary Alveoli/metabolism; Pulmonary Surfactant-Associated Protein C/biosynthesis; Pulmonary Surfactant-Associated Protein C/genetics; Regeneration/genetics; Respiratory Mucosa/cytology; Respiratory Mucosa/metabolism