Figure 1.
Glucose metabolism (glycolysis and aerobic oxidation) and the hypoglycemic mechanism of biguanides. AMP, adenosine monophosphate; ATP, adenosine triphosphate; FBP1, fructose-bisphosphatase 1; GLUT-2, solute carrier family 2 member 2; G6Pase, glucose-6-phosphatase; GCK, glucokinase; GYS, glycogen synthase 1; PYGL, phosphorylase, glycogen, liver; PFKL, phosphofructokinase, Liver Type; PEPCK, phosphoenolpyruvate carboxykinase 2, mitochondrial. Reprinted by permission from Macmillan Publishers Ltd.: Nature Reviews Endocrinology (9), copyright (2014).