To date, as many as 45% of all deaths in the developed world are related to pathological tissue remodeling. Chronic lung diseases (CLD) are the 3rd leading cause of death worldwide. Among CLD, Pulmonary Fibrosis (PF) is a debilitating and incurable disease. Scaring of the lung leads to respiratory failure and 50% of patients die 3-5 years after diagnosis. Our understanding of the pathophysiology of PF is unfortunately limited to established and advanced stages when the extensive lung scaring is irreversible.