PDLIM7 and breast cancer: In this study, we investigated for the first time, the cooperative outcome of E6/E7 of HPV type 16 and LMP1 of EBV oncoproteins in two human breast cancer cell lines, MCF7 and MDA-MB-231, with regard to certain parameters related to cell proliferation, cell cycle progression, and colony formation, where HNME cells were used as control.