Although HIF1 α and HIF2 α staining was 2-fold greater in rats receiving the medium dose compared with controls, these differences did not reach statistical significance (HIF1 α : 29 ± 8 vs . 14 ± 4% in controls, P = 0.066; Fig. 4 C ; HIF2 α : 4 ± 2 vs . 2 ± 1% in controls, P = 0.29; Fig. 4 D ).
1
0.0660
0.0660