Proteinase activated receptor-1 expression in a) weak immunostaining in normal lung tissue, b) intense immunostaining in idiopathic pulmonary fibrosis,

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Proteinase activated receptor-1 expression in a) weak immunostaining in normal lung tissue, b) intense immunostaining in idiopathic pulmonary fibrosis, c) normal lung tissue, d) a patient with early-stage systemic sclerosis and e) a patient with late-stage ... Proteinase activated receptor-1 expression in a) weak immunostaining in normal lung tissue, b) intense immunostaining in idiopathic pulmonary fibrosis, c) normal lung tissue, d) a patient with early-stage systemic sclerosis and e) a patient with late-stage systemic sclerosis. F: fibroblast; M: macrophage. Negatively and positively stained cells are represented by white and black arrowheads, respectively. Reproduced from [43] and [47] with permission from the publisher. R. C. Chambers Eur Respir Rev 2008;17:130-137 ©2008 by European Respiratory Society