The results (Fig. 5) showed that exosomes carrying miR-HER2-E1 caused a reduction in the volume of SK-OV-3 tumors (Fig. 5a) and HCT116 tumors (Fig. 5b) but not tumors induced by HER2-negative MDA-MB-231 tumor cells (Fig. 5c). Here, ERBB2 is linked to neoplasm.