Fig. 7

a Average PREP activity in cirrhotic patients without (triangles) or with (inverted triangles) symptoms of MHE was significantly decreased compared with healthy subjects (***p < 0.001). b The levels of PREP protein in patients without MHE (black bar) showed no significant change, but these levels are apparently reduced in patients with MHE (hatch pattern bar), in comparison with PREP levels in control healthy subjects (white bar). A representative western blot is shown in c