Upregulated (Connolly et al., 2008) Involved in proliferation and recurrence of HCC (Zheng et al., 2013). MiR-20 a reduced the endogenous level of myeloid cell leukemia sequence 3′UTR Mcl-1 protein in HCC (Liu et al., 2012). Here, MCL1 is linked to hepatocellular carcinoma.