MALAT1 and cancer: Xucheng Yang et al. tested the exosomes of mesenchymal stem cells, and found that the expression in the cells of MALAT1 increased in exosomes of mesenchymal stem cells, and MALAT1 cancer promote the osteogenic differentiation of mesenchymal stem cells, because it can be used as a sponge of miR-34c to promote the expression of SATB2.