Table 1.
Overview of the regulation of different targets related to hepatic metabolism via glucagon-induced acetylation in different physiological states.
Physiological/Pathological State | Enzyme | Acetylation/Deacetylation | Targets | Effect | Metabolic Response | Reference |
---|---|---|---|---|---|---|
Fasting state | P300 | Acetylation | CRTC2 | Stimulatory | Gluconeogenesis↑ | [25,34] |
FOXO1 | Stimulatory | Gluconeogenesis↑ | [26,35] | |||
Fasting state | Ets-1 | Acetylation | FOXO1 | Inhibitory | Gluconeogenesis↓ | [36] |
Fasting state | SIRT6 and GCN5 | Acetylation and Deacetylation | PGC1-α | Inhibitory | Gluconeogenesis↓ | [37,38,39] |
Fasting state | / | Acetylation | GP | Inhibitory | Gluconeogenesis↓ | [40] |
Prolonged fasting state | SIRT1 | Deacetylation | CRTC2 | Inhibitory | Gluconeogenesis↓ | [25] |
FOXO1 | Stimulatory | Gluconeogenesis↑ | [25] | |||
Fasting state | class IIa HDACs | Deacetylation | FOXOs | Stimulatory | Gluconeogenesis↑ | [41] |
Fasting state | SIRT3 | Deacetylation | LCAD | Stimulatory | FFA oxidation↑ FFA accumulation↓ | [42] |
/ | Stimulatory | FFA oxidation↑FFA synthesis↓ | [43] | |||
Fasting state | SIRT1 | Deacetylation | PPAR-α | Stimulatory | FFA oxidation↑ | [44,45] |
Foxa2 | Inhibitory | FFA oxidation↑ | [46,47] | |||
Fasting state | PCAF | Acetylation | CREBH | Stimulatory | FFA synthesis↓ | [31,48] |
Prolonged fasting state | SIRT1 | Deacetylation | CREBH | Stimulatory | FFA synthesis↓ | [31] |
Fasting state | SIRT1 | Deacetylation | SREBP-1c | Inhibitory | FFA synthesis↓ | [29] |
Fasting state | SIRT3 and SIRT5 | Deacetylation | CPS1 and OTC | Stimulatory | Ureagenesis↑ | [49,50] |
NAFLD | SIRT1 | Deacetylation | NF-κB | Inhibitory | Inflammation↓ | [51,52] |
Hepatic fibrosis | SIRT1 | Deacetylation | STAT3 | Inhibitory | Inflammation↓ | [53,54] |
Hepatic fibrosis | SIRT1 | Deacetylation | TGF-β | Inhibitory | Inflammation↓ | [55,56] |
Liver cancer | PCAF | Acetylation | PGK1 | Stimulatory | Glycolysis↑ Cancer cell proliferation and tumorigenesis↑ | [57] |
Liver cancer | PCAF | Acetylation | PKM2 | Inhibitory | Tumor growth and cell proliferation↑ | [58,59] |
Liver cancer | GCN5 | Acetylation | PGC-1α | Inhibitory | Glycolysis↑ | [60] |
Liver cancer | SIRT1 | Deacetylation | PGC-1α | Stimulatory | Glycolysis↓ | [61] |
Liver cancer | P300 | Acetylation | FOXO1 | Inhibitory | Glycolysis↑ Cancer cell growth↑ | [62,63] |