HOXB5 and neoplasm: Furthermore, lncRNA PRRT3-AS1 (Fig. 8D) and HOXB5 (Fig. 8E) levels were reduced in tumor xenografts obtained from the sh-PRRT3-AS1 group, and lncRNA PRRT3-AS1-depleted tumor xenografts manifested clearly higher miR-507 levels (Fig. 8F).