ISSN 1662-4009 (online)

ey0020.1-9 | Genetics | ESPEYB20

1.9. IGSF1 mutations are the most frequent genetic aetiology of thyrotropin deficiency

R Fourneaux , R Reynaud , G Mougel , S Castets , P Bretones , B Dauriat , T Edouard , G Raverot , A Barlier , T Brue , F Castinetti , A Saveanu

Brief summary: Congenital central hypothyroidism is caused by thyrotropin deficiency, either isolated or in combination with other pituitary deficiencies. So far, mutations in five genes have been identified in patients with isolated thyrotropin deficiency: thyroid stimulating hormone subunit β (TSHβ), thyrotropin-releasing hormone receptor (TRHR), immunoglobulin superfamily member 1 (IGSF1), transducin-like protein 1 (TBLX1), and ...