hrp0089fc8.4 | Sex differentiation, Gonads and Gynaecology or Sex Endocrinology | ESPE2018

STARD8, a Novel Candidate Gene for 46,XY Disorders of Sex Development

Mercade Ivan Domenech , Gutierrez Daniel Rodriguez , Nef Serge , Biason-Lauber Anna

Background: An activation cascade of specific genes sets up the initiation of sex determination leading in males to testes formation and synthesis of testicular hormones. Disruption of this gene cascade may cause a spectrum of 46,XY disorders/differences of sex development (DSD) phenotypes. Here we describe for the first time two sisters suffering from 46,XY DSD, who by whole exome sequencing revealed to carry a X-linked mutation in the StAR-related lipid transfer domain prote...