title: Clinical relevance summary: Collagen vs elastin in pathogenesis of emphysema; cellular origin of elastases; bronchiolitis vs emphysema as a cause of airflow obstruction.
authors.affiliation: Boston Veterans Affairs Medical Center, Boston, MA 02130, USA.
authors.forename: G L
authors.initials: GL
authors.lastname: Snider
mesh_terms: D000402:Airway Obstruction / Q000209:etiology* / Q000378:metabolism / Q000473:pathology / Q000517:prevention & control; D000818:Animals; D001988:Bronchiolitis / Q000150:complications* / Q000188:drug therapy / Q000378:metabolism / Q000473:pathology; D003094:Collagen / Q000378:metabolism*; D017364:Collagenases / Q000378:metabolism; D004195:Disease Models, Animal; D004549:Elastin / Q000378:metabolism*; D006801:Humans; D011379:Prognosis; D011650:Pulmonary Alveoli / Q000378:metabolism* / Q000473:pathology; D011656:Pulmonary Emphysema / Q000150:complications / Q000188:drug therapy / Q000209:etiology* / Q000378:metabolism; D014212:Tretinoin / Q000627:therapeutic use
chemical_list: D014212:Tretinoin; D003094:Collagen; D004549:Elastin; D017364:Collagenases