Figure 8From: Protease 3C of hepatitis A virus induces vacuolization of lysosomal/endosomal organelles and caspase-independent cell death Cathepsin B activity and localization of acidic organelles in vacuolated cells. A549/3Cpro and Calu-1/3Cpro cells 72 h p.t. after incubation with the fluorescent substrate of cathepsin B Magic Red (M-Red) (A) and pH-dependent fluorescent dye Neutral Red (NR) (B).Back to article page