PTEN and ovarian carcinoma: When miR-214 is overexpressed in ovarian cancer and PTEN expression is inhibited, the AKT pathway is inhibited, which enhances the phosphorylation of glycogen synthase kinase 3 h (GSK3h) and p70 Ribosomal Protein S6 Kinase (RPSK) in the tumor (p70S6K).