Animals 1 Cell Proliferation 1 Chromatin 1 Chromatin Assembly and Disassembly 1 DNA directed RNA polymerase III 1 DNA sequence 1 Gene Expression Regulation 1 Histone H1 1 Kinases 1 Mammary Tumor Virus, Mouse 1 Mice 1 Mouse mammary tumor oncovirus 1 Mouse mammary tumor virus 1 Progesterone receptor 1 Progestins 1 Promoter Regions (Genetics) 1 Protein Kinases 1 Ras protein 1 Rats 1 Rattus 1 Receptors, Estrogen 1 Receptors, Progesterone 1 Signal Transduction 1 Transcriptional regulation 1 adenosine triphosphate 1 animal 1 binding kinetics 1 cell nucleus receptor 1 cell proliferation 1 chromatin assembly and disassembly 1