Figure 3: Rotenone treatment blunted HO-1 induction in obstruct- ed kidneys. (a) Oxidative stress marker HO-1 was determined by Western blotting, and 𝛽 -actin was used as loading control. (b) DensitometryofWesternblots. 𝑁 = 5 ineachgroup.Dataaremeans ±