Skip to main content
. 2019 Sep 20;10:4303. doi: 10.1038/s41467-019-12351-x

Fig. 6.

Fig. 6

NF-κB2 (p52) activation restrains the hepatic glucagon response by preserving PDE4B induction. Glucagon induces p52 activation. Activated p52 binds to PDE4B promoter to inhibit its transcription, leading to cAMP accumulation. Accumulated cAMP augmented glucagon response by cAMP/PKA signaling. Metformin and ginsenoside Rb1 inhibited p52 activation to restrain hepatic glucagon response by preserving PDE4B induction