KIT and neoplasm: The intratumoral injection of an miR-34a-5p agomiR (into G-292)/antagomiR (into SJSA-1) indeed led to the expected changes in the CD117 level in the tumor sections (Figure 8G), which confirmed that miR-34a-5p has a profound positive effect on both the growth and drug resistance of OS cell-derived tumor xenografts in nude mice.