Previous report has demonstrated that MIR20B, a member of the MIR17 family, presents in the circulating plasma of NAFLD patients and has been highlighted as a novel biomarker of NAFLD and type 2 diabetes mellitus (T2DM) for the diagnosis and risk estimation of NAFLD (Ye et al., 2018). Here, MIR20B is linked to type 2 diabetes mellitus.