SFPQ-ABL1 localizes to the nucleus. Immunofluorescence analysis of Ba/F3 (A) and wild-type pre-B (B) MSCV (control), BCR-ABL1– or SFPQ-ABL1–expressing cells. Images were captured using ×40 magnification. Slides were viewed by using the Zeiss Elyra 780 confocal microscope and images analyzed using ZEN (black edition). DAPI, 4′,6-diamidino-2-phenylindole; GFP, green fluorescent protein.