Antitumor Effect of Inula viscosa Extracts on DMBA-Induced Skin Carcinoma Are Mediated by Proteasome Inhibition

Figure 2

The treatment with plant extract is applied only during the initiation phase. (a) Tumor multiplicity (average number of papillomas per mouse). (b) Tumor incidence (percentage of mice with papillomas).

(a)

(b)