MAF and chronic myelogenous leukemia, BCR-ABL1 positive: The miR-155 has been identified to regulate c-Maf in T cells (Rodriguez et al. 2007; Suzuki et al. 2011) and was linked to multiple genes within the Ras/MAPK cascade disrupted in chronic myeloid leukemia (Machova Polakova et al. 2013).