Research Article

NK Cell-Dependent Growth Inhibition of Lewis Lung Cancer by Yu-Ping-Feng, an Ancient Chinese Herbal Formula

Figure 5

YPF inhibited the expression of TGF-β, IDO, and IL-10 in LLC tumors. LLC-bearing mice were treated with PBS or YPF as described in Section 2. At Day 35 after inoculation, total RNA was isolated from tumor tissues and the expressions of IL-2, TGF-β, IDO, and IL-10 were analyzed by real-time PCR. The significant difference was considered at .