PAX7 and neoplasm: Within the tumor-free groups, WFA treatment significantly increased the normalized amount of Pax7+ cells (WFA 2 mg/kg: 0.28 ± 0.02; WFA 4 mg/kg: 0.42 ± 0.01) compared to the tumor-free vehicle-treated group (0.06 ± 0.01) (p < 0.0001 for both comparisons) (Figure 3B).