KRAS and malignant colon neoplasm: Diana et al. pointed out that miRNAs content in exosomes of KRAS-mutant colon cancer cells is different from KRAS-wild-type cancer cells: an enrichment of miR-10b was found in exosomes of wild-type KRAS cancer cells, whereas an enrichment of miR-100 was witnessed in KRAS-mutant cancer cells [41].