5' Untranslated Regions, Animals, Base Sequence, Binding Sites, Cells, Cultured, DNA-Binding Proteins, Gene Expression Regulation, Interferon Regulatory Factor-1, Interferon-Stimulated Gene Factor 3, Interferon-Stimulated Gene Factor 3, gamma Subunit, Interferon-gamma, Interleukin-12, Interleukin-12 Subunit p35, Interleukin-12 Subunit p40, Mice, Mice, Inbred C57BL, Mice, Knockout, Molecular Sequence Data, Phosphoproteins, Promoter Regions, Genetic, Protein Binding, Protein Subunits, RNA, Messenger, Transcription Factors, Transcription, Genetic, Transcriptional Activation, Up-Regulation