ERBB2 and B-cell non-Hodgkin lymphoma: In contrast to previous studies showing that DMTF1 LOH or null promotes tumorigenesis in Eμ-myc–induced B cell lymphoma, K-rasLA lung cancer and MMTV-neu/Erbb2 breast cancer models (13–15), we now report a growth promoting function of DMTF1 in NSC.