Figure 4: Expression of Bax (A) and Bcl-2 (B) proteins in Walker 256 tumor cells and in tumor-bearing rats fed a control diet (W), supplemented orally with shark liver oil (WSL) exercised rats fed regular chow (EW), exercise and supplemented with shark liver oil (EWSL). Bax/Bcl-2 expression ratio (C). ap<0.05 vs. W; bp<0.05 vs. WSL.