PMAIP1 and T-cell leukemia: Noxa/Phorbol 12-myristate 13-acetate (PMA)-Induced Protein 1 (PMAIP1)/Adult T-cell Leukemia-derived PMA-responsive (APR) is a proapoptotic Bcl-2-homology domain 3 (BH3)-only member of the Bcl-2 family of proteins [1].