Figure 10From: Cancer stem-like sphere cells induced from de-differentiated hepatocellular carcinoma-derived cell lines possess the resistance to anti-cancer drugs HIF1A mRNA and ROS levels. The mRNA level of HIF1A ( A ) and the intracellular ROS level ( B ) were measured as described in Methods. **P < 0.05 with the Mann-Whitney U-test.Back to article page