Nerve growth factor involvement in liver cirrhosis and hepatocellular carcinoma

Figure 7 Trk^ANGF distribution in HCC and cirrhotic tissues. A: HCC tissue; B: Cirrhotic tissue. A₁, A₂, B₁, B₂, B₃, B₆: Confocal microscopy images of immuno-stained sections. No immunoreaction was observed in controls performed by substitution of primary antisera with non-immune rabbit serum; A₄, B₄, B₅, B₇: Images of HE stained sections; A₃: Images of semithin section from samples embedded in Spurr epoxy resin. Differently coloured arrows indicate the different cell types (see legend). bec: biliary epithelial cells.