MARCKS and breast carcinoma: Exosomal miR-23b was reported to transit from bone marrow mesenchymal stem cells (BM-MSCs) to metastatic breast cancer cells which were homing to bone marrow (BM2), and the BM2 cells could be induced to enter into dormancy by inhibiting myristoylated alanine-rich C kinase substrate (MARCKS) [82].