Tec family includes five members: (I) tyrosine kinase expressed in hepatocellular carcinoma (TEC), (II) interleukin-2-inducible T cell kinase (ITK), (III) resting lymphocyte kinase (RLK), (IV) bone marrow expressed kinase (BMX), and (V) BTK. Here, ITK is linked to hepatocellular carcinoma.