Carrier Proteins/physiology; DNA-Binding Proteins/physiology; Down-Regulation/immunology; Intracellular Signaling Peptides and Proteins; Nuclear Proteins; Proteins/physiology; Repressor Proteins; Thyroid Gland/metabolism; Thyrotropin/physiology; Trans-Activators/antagonists & inhibitors; Trans-Activators/biosynthesis; Trans-Activators/physiology; Animals; Carrier Proteins/biosynthesis; Carrier Proteins/genetics; Cattle; Cell Line; Cells, Cultured; DNA-Binding Proteins/genetics; DNA-Binding Proteins/metabolism; Down-Regulation/genetics; Histocompatibility Antigens/biosynthesis; Humans; Interferon Regulatory Factor-1; Interferon-Stimulated Gene Factor 3; Interferon-gamma/genetics; Interferon-gamma/pharmacology; Mice; Phosphoproteins/genetics; Phosphoproteins/metabolism; Promoter Regions, Genetic/immunology; Protein Binding/genetics; Protein Binding/immunology; Protein Biosynthesis; Proteins/genetics; Proteins/metabolism; Rats; Response Elements/immunology; STAT3 Transcription Factor; Signal Transduction/genetics; Signal Transduction/immunology; Suppressor of Cytokine Signaling 1 Protein; Suppressor of Cytokine Signaling 3 Protein; Suppressor of Cytokine Signaling Proteins; Thyroid Gland/cytology; Thyroid Gland/immunology; Trans-Activators/genetics; Transcription Factors/antagonists & inhibitors; Transcription Factors/biosynthesis; Transcription Factors/genetics; Transcription Factors/metabolism; Transfection