Thyroid Hormone Receptors betaReceptors, Thyroid HormoneThyroid Hormone Resistance SyndromeThyroid HormonesTriiodothyronineThyroid Hormone Receptors alphaThyroid GlandIodide PeroxidaseRetinoid X ReceptorsMolecular Sequence DataBase SequenceTranscription FactorsMutationThyroxineGene Expression RegulationThyroid NeoplasmsTranscription, GeneticRNA, MessengerEstrogen Receptor betaNuclear Receptor Co-Repressor 2Promoter Regions, GeneticReceptors, Retinoic AcidHypothyroidismOncogene Proteins v-erbAThyroid DiseasesNuclear Receptor Co-Repressor 1ThyrotropinMetamorphosis, BiologicalGenes, erbAHyperthyroidismTriiodothyronine, ReverseThyroid Function TestsReceptors, Cytoplasmic and NuclearHormonesReverse Transcriptase Polymerase Chain ReactionThyrotropin, beta Subunit