hrp0098fc13.1 | Pituitary, Neuroendocrinology and Puberty 2 | ESPE2024

Defect in C-terminal alpha-amidation during Kisspeptin synthesis: a new mechanism of hypogonadotropic hypogonadism

Hung NGuyen Viet , Al Amir Ahmad Issam , Ben Rhaiem Ines , Maugenre Svetlana , Leprince Jérome , Carel Jeaan-Claude , de Roux Nicolas

The synthesis of many peptides involves several post-translational steps which converts precursors into bioactive peptide. One of these steps results in the α-amidation of the C-terminal from a glycine through a bifunctional enzyme called the peptidylglycine α-amidating monooxygenase (PAM). Although the physiological role of Kisspeptin (KP) in the control of GnRH secretion is well known, the exact molecular form of the bioactive hypothalamic KP remains elusive. By ...