GLUCOSE
OXIDATION
GLYCOLYSIS
ATP/ADP
ATP
REGULATION OF
INSULIN SECRETION
BY GLUCOSE
Ca
2+
INSULIN
SECRETION
K
+
Ca
2+
-
GLUT2
K
M
>15mM
GLUCOSE
K
+
Ca
2+
THESE CHANNELS ARE ALSO
SENSITIVE TO OTHER STIMULI
SUCH AS ACETYLCHOLINE AND
CATECHOLAMINES
UNLIKE HEXOKINASE, GLUCOKINASE
IS NOT INHIBITED BY GLUCOSE-6-P