Three inborn errors are known in the pathway of fructose metabolism depicted in Fig. 9.1. Essential fructosuria is a harmless anomaly characterized by the appearance of fructose in the urine after the intake of fructose-containing food. In hereditary fructose intolerance (HFI), fructose may provoke prompt gastrointestinal discomfort and hypoglycemia upon ingestion, symptoms that may vary from patient to patient and depend on the ingested dose. Fructose may cause liver and kidney failure when taken persistently, and its intake becomes life-threatening when given intravenously. Fructose-1,6- bisphosphatase (FBPase) deficiency is also usually considered an inborn error of fructose metabolism although, strictly speaking, it is a defect of gluconeogenesis. The disorder is manifested by the appearance of hypoglycemia and lactic acidosis (neonatally, or later during fasting or induced by fructose) and may also be life-threatening. © 2006 Springer Medizin Verlag Heidelberg.
CITATION STYLE
Steinmann, B., Santer, R., & Van Den Berghe, G. (2006). Disorders of fructose metabolism. In Inborn Metabolic Diseases: Diagnosis and Treatment (pp. 135–142). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-28785-8_9
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