LncRNA miR503HG, a host gene for the MIR503, specifically interacts with the heterogeneous nuclear ribonucleoprotein A2/B1(HNRNPA2B1), which suppresses metastatic tumor suppression through modulating the ubiquitination status of HNRNPA2B1 (Figure 1F) [32]. Here, HNRNPA2B1 is linked to neoplasm.