The pMXs-NF2-IRES-GFP construct was generated by inserting NF2 cDNA (Open Biosystems, MHS1011-202832561) into pMXs-IRES-GFP retroviral vector (Cell Biolabs). Retroviral packaging, infection, and fluorescence-activated cell sorting (FACS) were performed as previously described (22 (link)).