Fig. 4.
Immunohistochemical analysis of 8-hydroxy-2'-deoxyguanosine (8-OHdG) expression. Paraffin-embedded rat liver sections were immunostained with 8-OHdG (40× magnification). (a) CDAA + DEN only group, (b) CDAA + DEN + 15 mg/kg/day furosemide group, (c) CDAA + DEN + 10 mg/kg/day tolvaptan group, (d) CDAA + DEN + 15 mg/kg/day furosemide + 10 mg/kg/day tolvaptan group. (e) Image analysis of 8-OHdG-positive cells. Data are presented as mean ± SD. *p<0.01 vs CDAA + DEN group.