DIAPH1 and chronic myelogenous leukemia, BCR-ABL1 positive: Human SMCs were transfected with plasmids-expressing yellow fluorescent protein (YFP), DIAPH1-YFP, DIAPH1ΔDAD-YFP, and DIAPH1E326G/E327A-YFP, and the cells were treated with 1 μM of CML-HSA (Fig. 6C).