IGF-1 protects against dexamethasone-induced cell death in insulin secreting INS-1 cells independent of AKT/PKB phosphorylation - Avram, D; Ranta, F; Hennige, A M; Berchtold, S; Hopp, S; Haring, H U; Lang, F; Ullrich, S (Cell Physiol Biochem, 2008)