Akt induces beta-cell proliferation by regulating cyclin D1, cyclin D2, and p21 levels and cyclin-dependent kinase-4 activity - Fatrai, S; Elghazi, L; Balcazar, N; Cras-Meneur, C; Krits, I; Kiyokawa, H; Bernal-Mizrachi, E (Diabetes, 2006)