
Role of sphingosine 1-phosphate and lysophosphatidic acid in fibrosis
Keywords: αvβ6, integrin alpha 5 beta 6; AEC, alveolar epithelial cells; ATX, autotoxin; BAL, bronchoalveolar lavage; COL1A2, α2(1) collagen gene; CTGF, connective tissue growth factor; ECM, extracelllular matrix; EMT, endothelial–mesenchymal transition; FTY720, (2