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Caveolin-1 expression is low in IPF fibroblasts. Western analysis of caveolin-1 protein expression in primary lung fibroblasts from IPF (n = 6) and control patients (n = 6) seeded on polymerized type I collagen matrices. GAPDH is shown as a loading control. Relative protein expression was determined as the densitometric ratio of PTEN to GAPDH. Data are representative of three independent experiments.
