Animals 1 Article 1 Epithelium 1 Forkhead Transcription Factors 1 Mice 1 Mice, Congenic Mice, Knockout 1 Mice, Transgenic 1 RNA isolation 1 T lymphocyte 1 T lymphocyte receptor alpha chain 1 Thymic epithelial cells (TECs) 1 Thymocytes 1 Thymus Gland 1 Whn protein 1 Wnt signaling 1 Wnt signalling 1 adult 1 animal 1 animal cell 1 animal experiment 1 apoptosis assay 1 beta Catenin 1 beta catenin 1 cell maturation 1 cell subpopulation 1 cell suspension 1 congenic strain 1 controlled study 1 cytology 1