Glycogen Storage Disease 0, Liver, also known as hypoglycemia with deficiency of glycogen synthetase in the liver, is related to glycogen storage disease due to hepatic glycogen synthase deficiency and glycogen storage disease. An important gene associated with Glycogen Storage Disease 0, Liver is GYS2 (Glycogen Synthase 2). Affiliated tissues include liver and skin, and related phenotypes are seizure and increased serum lactate