CMPK2 and neoplasm: RT-qPCR analysis revealed that the lncRNA levels of HDAC9, CMPK2, MINDY4B were up-regulated in the ALV-J induced tumor livers (positive group) compared to the normal livers in the negative group, whereas lncRNA levels of ATOH8 and LOC100859478 were down-regulated in the positive group (Figure 6A).