hrp0089p1-p205 | Pituitary, Neuroendocrinology and Puberty P1 | ESPE2018

A Paternally Inherited Familial Precocious Puberty Caused by a Novel MKRN3 Frameshift Variant

Odone Jessica , Nicholls Rachel , Yadlapalli Kumar , Crowne Elizabeth , Turnpenny Richard

Background: Precocious puberty is defined as breast development before 8 years in girls and gonad development before 9 years in boys. Central precocious puberty (CPP) results from early activation of the hypothalamic-gonadal axis. One third of idiopathic CPP is reported to be familial. Genetic mutations were initially described in kiss-peptin-1 (KISS1) and its receptor (KISS1R). More recently, Abreu et al identified heterogeneous mutations in the makorin RING finger 3 (MKRN3) ...