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New Genetics in Congenital Hypothyroidism

Overview
Journal Endocrine
Specialty Endocrinology
Date 2021 Mar 2
PMID 33650047
Citations 24
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Abstract

Introduction: Congenital hypothyroidism (CH) is the most frequent neonatal endocrine disorder and one of the most common preventable forms of mental retardation worldwide. CH is due to thyroid development or thyroid function defects (primary) or may be of hypothalamic-pituitary origin (central). Primary CH is caused essentially by abnormal thyroid gland morphogenesis (thyroid dysgenesis, TD) or defective thyroid hormone synthesis (dyshormonogenesis, DH). TD accounts for about 65% of CH, however a genetic cause is identified in less than 5% of patients.

Purpose: The pathogenesis of CH is largely unknown and may include the contribution of individual and environmental factors. During the last years, detailed phenotypic description of patients, next-generation sequence technologies and use of animal models allowed the discovery of novel candidate genes in thyroid development, function and pathways.

Results And Conclusion: We provide an overview of recent genetic causes of primary and central CH. In addition, mode of inheritance and the oligogenic model of CH are discussed.

Citing Articles

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Clinical and molecular study of patients with thyroid dyshormogenesis and variants in the gene.

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Variants Confer Genetic Susceptibility to Thyroid Dysgenesis and Thyroid Dyshormonogenesis in 813 Congenital Hypothyroidism in China.

Li M, Wang X, Wang F, Wang F, Zhao D, Liu S Int J Gen Med. 2024; 17:885-894.

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