Transplantation · 2000
Effect of liver transplantation on hepatic glucose metabolism in a patient with type I glycogen storage disease.
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Koestinger A, Gillet M, Chioléro R, Mosimann F, Tappy L
Аннотация
BACKGROUND: In type I glycogenosis, mutation of the glucose-6-phosphatase gene results in absent glucose-6-phosphatase activity in liver cells leading to fasting hypoglycemia. Liver transplantation is expected to normalize glucose homeostasis.
METHODS: Endogenous glucose production (6,6 2H2 glucose) was measured after an overnight fast and during exogenous 13C-labeled glycerol infusion in a patient with glycogenosis type I 24 months after liver transplantation and in a group of healthy subjects.
RESULTS: Compared with healthy subjects, the glycogenosis patient had normal fasting glucose production and glucose and insulin concentrations after liver transplantation, but mildly elevated plasma glucagon concentrations. Gluconeogenesis from exogenous glycerol (13C glucose synthesis) was similar and did not lead to enhancement of glucose production in both healthy controls and the patient.
CONCLUSIONS: Liver glucoregulatory function is restored by orthotopic liver transplantation in type I glycogenosis.
METHODS: Endogenous glucose production (6,6 2H2 glucose) was measured after an overnight fast and during exogenous 13C-labeled glycerol infusion in a patient with glycogenosis type I 24 months after liver transplantation and in a group of healthy subjects.
RESULTS: Compared with healthy subjects, the glycogenosis patient had normal fasting glucose production and glucose and insulin concentrations after liver transplantation, but mildly elevated plasma glucagon concentrations. Gluconeogenesis from exogenous glycerol (13C glucose synthesis) was similar and did not lead to enhancement of glucose production in both healthy controls and the patient.
CONCLUSIONS: Liver glucoregulatory function is restored by orthotopic liver transplantation in type I glycogenosis.