Genetic disorders of thyroid development, hormone biosynthesis and signalling

Carla Moran, Nadia Schoenmakers, W. Edward Visser, Erik Schoenmakers, Maura Agostini, Krishna Chatterjee*

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

1 Citation (Scopus)
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Abstract

Development and differentiation of the thyroid gland is directed by expression of specific transcription factors in the thyroid follicular cell which mediates hormone biosynthesis. Membrane transporters are rate-limiting for cellular entry of thyroid hormones (TH) (T4 and T3) into some tissues, with selenocysteine-containing, deiodinase enzymes (DIO1 and DIO2) converting T4 to the biologically active hormone T3. TH regulate expression of target genes via hormone-inducible nuclear receptors (TR alpha and TR beta) to exert their physiological effects. Primary congenital hypothyroidism (CH) due to thyroid dysgenesis may be mediated by defects in thyroid transcription factors or impaired thyroid stimulating hormone receptor function. Dyshormonogenic CH is usually due to mutations in genes mediating thyroidal iodide transport, organification or iodotyrosine synthesis and recycling. Disorders of TH signalling encompass conditions due to defects in membrane TH transporters, impaired hormone metabolism due to deficiency of deiodinases and syndromes of Resistance to thyroid hormone due to pathogenic variants in either TR alpha or TR beta. Here, we review the genetic basis, pathogenesis and clinical features of congenital, dysgenetic or dyshormonogenic hypothyroidism and disorders of TH transport, metabolism and action.

Original languageEnglish
Pages (from-to)502-514
Number of pages13
JournalClinical Endocrinology
Volume97
Issue number4
DOIs
Publication statusPublished - Oct 2022

Bibliographical note

ACKNOWLEDGEMENTS
Our research is supported by the Wellcome Trust (Investigator Award 210755/Z/18/Z to KC; Senior Fellowship 219496/Z/19/Z to NS) and NIHR Cambridge Biomedical Research Centre. WEV is supported by an Erasmus MC fellowship, Eurostars (project number ESTAR E11337) and the Sherman Foundation.

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