Unacylated ghrelin and obestatin increase islet cell mass and prevent diabetes in streptozotocin-treated newborn rats - Granata, R; Volante, M; Settanni, F; Gauna, C; Ghe, C; Annunziata, M; Deidda, B; Gesmundo, I; Abribat, T; van der Lely, A J; Muccioli, G; Ghigo, E; Papotti, M (J Mol Endocrinol, 2010)