KRAS and hepatocellular carcinoma: To determine the expression of fabp10a and tfa at metastatic tumor cells, we collected primary liver tumors, metastatic HCC tissues, and adjacent normal muscle tissues on zebrafish body from twist1a+/kras+ transgenic zebrafish following treatment with 20 μg/mL Dox and 1 μg/mL 4-OHT.