hrp0097p2-35 | Pituitary, Neuroendocrinology and Puberty | ESPE2023

A case of congenital central hypothyroidism with complete growth hormone deficiency caused by a novel nonsense mutation in the IGSF1 gene.

Miyako Kenichi , Furuzono Miwa , Tsukada Hiroko , Makimura Mika , Shibata Nao , Nagasaki Keisuke

The Ig superfamily member 1 (IGSF1) gene encodes a plasma membrane immunoglobulin superfamily glycoprotein, that is highly expressed in Rathke’s pouch and the adult pituitary gland and testis. It is now known that a loss-of-function mutation in this gene causes X-linked syndromic disorders including congenital central hypothyroidism, macroorchidism, prolactin deficiency, partial and transient growth hormone (GH) deficiency, disharmonious pubertal develo...