FOXO1 and type 2 diabetes mellitus: In vitro and in vivo experiments confirm, Puerarin could enhance the phosphorylation of Foxo1 by activating PI3K/Akt signaling pathway in liver tissues of type 2 diabetes rates and elevating the pFoxo1/Foxo1 protein and mRNA expressions, and further inhibiting the expression of G6pase and PEPCK.