Figure 5. Increased Fn14 protein expression in peritoneal biopsies from non-infected patients.

A) Fn14 immunohistochemistry in peritoneal tissue from non-infected, stable, chronic PD patients with different degrees of injury. Representative images from each group. Controls for the technique are stained with nonspecific immunoglobulin (Ig (-)). B) Quantification of Fn14 protein expression in peritoneal biopsies from non-infected patients. Fn14 staining was higher in patients with a more severe peritoneal histological injury score that evaluated mesothelial integrity, peritoneal fibrosis and peritoneal inflammation ( table 3 )³². Mean ± SEM *p<0.04, n = 4–5 patients per group.