ANTIPROGESTAGENOS 8 ANTIPROGESTINS 8 AKT 5 BREAST CANCER 5 CANCER DE MAMA 5 ERK 5 ISOFORMAS DEL RECEPTOR DE PROGESTERONA 5 Animals 4 Antiprogestins 4 Female 4 Mice 4 Mice, Inbred BALB C 4 Mifepristone 4 Receptors, Progesterone 4 Western blotting 4 animal experiment 4 animal model 4 animal tissue 4 article 4 breast carcinoma 4 cell proliferation 4 controlled study 4 female 4 mifepristone 4 mouse 4 nonhuman 4 priority journal 4 progesterone receptor 4 ACETATO DE MEDROXIPROGESTERONA 3 ACQUIRED HORMONE RESISTANCE 3