hrp0095p1-340 | Multisystem Endocrine Disorders | ESPE2022

A novel SPINT2 missense mutation(c.386A>G;p.Y129C)causes syndromic congenital sodium loss diarrhea: The first case report in China

Zhang Xianxu , Zhang Xingxing , Chen Xu , Xiao Yangyang , Tan Xinrui , Zheng Songjia , Wu Tingting

Background: Congenital sodium diarrhea (CSD) is a monogenic disorder caused by specific genetic defects that increase sodium content in the stool, resulting in intractable diarrhea. There are two categories of CSD depending on whether it involves other congenital malformations: non-syndromic congenital sodium loss diarrhea (non-sCSD) and syndromic congenital sodium loss diarrhea (sCSD). For non- sCSD, the identified causative genes include SLC9A3 and GUCY2C, w...