MCL1 and plasma cell myeloma: As for Mcl-1, its important roles have been reported in hematopoietic cancer cells of different types, such as multiple myeloma (MM) [31], diffuse large B-cell lymphoma (DLBCL) [19], mantle cell lymphoma (MCL) [32] as well as in non-Hodgkin and T-cell lymphomas [26,27].