Thyroid Hormone Receptors betaReceptors, Thyroid HormoneThyroid Hormone Resistance SyndromeThyroid HormonesTriiodothyronineThyroid Hormone Receptors alphaThyroid GlandIodide PeroxidaseRetinoid X ReceptorsMolecular Sequence DataBase SequenceTranscription FactorsMutationGene Expression RegulationThyroxineThyroid NeoplasmsTranscription, GeneticRNA, MessengerEstrogen Receptor betaPromoter Regions, GeneticNuclear Receptor Co-Repressor 2Receptors, Retinoic AcidHypothyroidismOncogene Proteins v-erbAThyroid DiseasesNuclear Receptor Co-Repressor 1ThyrotropinMetamorphosis, BiologicalGenes, erbAHyperthyroidismTriiodothyronine, ReverseReverse Transcriptase Polymerase Chain ReactionThyroid Function TestsReceptors, Cytoplasmic and NuclearHormonesThyrotropin, beta Subunit