GALNT4 and acute monocytic leukemia: In myeloid cells, the expression of GALNT2, GALNT4, GALNT5 and GALNT7 was observed in K562 cells (chronic myeloid leukemia line), and of GALNT1, GALNT2, GALNT3 and GALNT4 in SHI-1 (acute monocytic leukemia line) [36, 37].