Fig. 3
From: Upregulation of citrullination pathway: From Autoimmune to Idiopathic Lung Fibrosis
Representative images of BALF cytospins, stained with anti-PADI4 antibody, from IPF (a) and RA-ILD (b) patients, demonstrated strong cytoplasmic staining mostly in polymorphonuclear leukocytes (arrows) and mild stain in some macrophages (arrowheads), whereas in some IPF (c) and control patients (d) staining was observed mostly in macrophages (arrows) and only in occasional granulocytes (arrowheads). Negative control (e). Magnification X600