Sex steroids and leptin regulate the “first Kiss” (KiSS 1/G-protein-coupled receptor 54 system) in human gonadotropin-releasing-hormone-secreting neuroblasts - Morelli, A; Marini, M; Mancina, R; Luconi, M; Vignozzi, L; Fibbi, B; Filippi, S; Pezzatrini, A; Forti, G; Vannelli, G; Maggi, M (J Sex Med, 2008)