the expression of the myeloperoxidase ( mpo ) gene was studied , by means of northern blot analysis in 14 cases of acute myeloid leukemia ( aml ) , 11 cases of chronic myeloid leukemia ( cml ) , and 6 cases of cml blast crisis , and in hl60 cells before and after induction of terminal differentiation with retinoic acid ( ra ) , phorbol esters ( tpa ) , or vitamin d .
C1516343
induction
C0040845
retinoic acid