hrp0092p1-256 | Pituitary, Neuroendocrinology and Puberty (1) | ESPE2019

Kisspeptin Levels is a New Diagnostic Approach of Hypogonadotropic Hypogonadism in Boys

Nikitina Irina , Yukhlina Yulya , Nagornaya Irena , Kelmanson Igor , Grineva Elena

Background: In hypogonadotropic hypogonadism (HH), hypophyseal follicle-stimulating and luteinizing hormones, normally released with GnRH stimulation, are detected low. Since kisspeptin (KP) is a strong stimulant of GnRH neurons, it is considered to have a role in HH aetiology. It may be hypothesized that abnormal plasma levels of KP are indicative of HH.Aim: Evaluation and comparison of plasma KP levels in boys of pre-p...

hrp0089fc13.5 | Pituitary, Neuroendocrinology and Puberty 2 | ESPE2018

Study of the Serum Kisspeptin Level in Healthy and Hypogonadotropic Boys

Nikitina Irina , Khoduleva Yulia , Nagornaya Irena , Vasileva Elena

Background: Kisspeptins, ligands of G protein-coupled receptor 54 (GPR54) encoded by the KiSS-1 gene, have recently emerged as key players of the gonadotropic axis. It was found that KiSS-1/GPR54 system plays an important role in the neuroendocrine control of gonadotropin secretion, brain sex differentiation, puberty onset and fertility. It is important to know if the kisspeptin serum level could be used as a diagnostic criterion to the stage of puberty or impairment of it in ...