BOLA1 and hepatocellular carcinoma: The BOLA1\2 overexpression was found in HCC tissues compared with normal tissues in Roessler Liver 2 dataset (1.51-fold increase, P = 3.26E − 33; 2.67-fold increase, P = 3.72E − 83, respectively) [22], while were observed in Wurmbach liver dataset (1.65-fold increase, P = 0.003; 2.21-fold increase, P = 4.67E − 4, respectively) [23].