Cell Differentiation|Computational Biology|Computer Simulation|Forkhead Transcription Factors|Inflammation|Interleukin-17|Interleukin-6|Models, Immunological|Nuclear Receptor Subfamily 1, Group F, Member 3|Phenotype|Signal Transduction|T-Lymphocytes, Helper-Inducer|T-Lymphocytes, Regulatory|Transforming Growth Factor beta|Tretinoin