ARHGAP1 and posterior cortical atrophy: Moreover, Hashimoto et al. [70] reported that miR-940 is highly expressed in exosomes derived from the C4-2B PCa cell line and promotes osteogenic differentiation of human mesenchymal stem cells (hMSC) in vitro by targeting Rho GTPase-activating protein 1 (ARHGAP1) and reticulophagy regulator family member 2 (FAM134A).