Supporting Fig. 1 A B ** con 5 con con Proliferation (folds) miR-155 mimics ** 3 2 1 0 5 miR-155 mimics 4 4 miR-155 mimics ** U2OS 4 U2OS 3 3 ** 2 SaOS2 ** 2 1 0 24 48 72 0 24 Time (h) C D 1.2 G2/M S G0/G1 1 0.8 Ki-67 0.6 β-tubulin 0.4 conmimics conmimics 0.2 0 U2OS con mimics U2OS ** SaOS2 1 Cell cycle distribution Relative miR-155 level 5 con mimics SaOS2 SaOS2 48 72 Supporting Fig. 2 A B ** 3 con miR-155 mimics ** 2.5 2 1.5 1 0.5 Relative TOPflash activity Relative TOPflash activity 3.5 4 U2OS 3.5 ** 3 U2OS SaOS2 4.5 SaOS2 control miR-155 mimics 4 ** ** 2.5 3.5 ** 3 ** ** 2.5 2 2 1.5 1.5 1 1 0.5 0.5 0 0 control miR-155 mimics 0 Axin2 CD44 Lgr5 Axin2 CD44 Lgr5 Supporting Fig. 3 con luc-HBP1-3UTR Relative luciferase activity luc-HBP1-3UTR-M 1.4 U2OS 1.2 1 0.8 0.6 ** 0.4 0.2 0 Control miR-155