Periostin (POSTN; PN; osteoblast-specific factor; OSF-2) is a ligand for alpha-V/beta-3 and alpha-V/beta-5 integrins to support adhesion and migration of epithelial cells and is a potential prognostic biomarker of fibrosis for idiopathic pulmonary fibrosis (IPF).
Swiss-Prot Accession Number: Q15063
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