The effects of dsRNAs on HCC of rats after 2-2AAF administration. A:The liver tissue were observed after the rats were put to death and the tumor nodules were marked by the yellow box. B: Histological sections showing malignant features in livers of orthotopic SD rat after fed with 2-AAF(X200). C: The ratios of tumors to body weights . *, p < 0.05 versus the PBS control group; #, p < 0.05 versus the BM-06 plus sorafenib group.