Wang B. et al. found that exosomes could deliver microRNAs-1910-3p to mammary epithelial cells and breast cancer cells, inhibiting MTMR3 expression, and activating the NF-kB and Wnt/β-catenin signaling pathway, thus promoting cancer cell proliferation, metastasis, and autophagy [47]. Here, MTMR3 is linked to breast carcinoma.