" /> Fanconi-bickel syndrome - CISMeF





Preferred Label : Fanconi-bickel syndrome;

Symbol : FBS;

CISMeF acronym : FBS;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Hepatic glycogenosis with fanconi nephropathy; Glycogenosis, fanconi type; Fanconi syndrome with intestinal malabsorption and galactose intolerance; Pseudo-phlorizin diabetes; Hepatic glycogenosis with amino aciduria and glucosuria; Hepatorenal glycogenosis with renal fanconi syndrome; Glycogen storage disease XI;

Description : Fanconi-Bickel syndrome is a rare but well-defined clinical entity, inherited in an autosomal recessive mode and characterized by hepatorenal glycogen accumulation, proximal renal tubular dysfunction, and impaired utilization of glucose and galactose (Manz et al., 1987). Because no underlying enzymatic defect in carbohydrate metabolism had been identified and because metabolism of both glucose and galactose is impaired, a primary defect of monosaccharide transport across the membranes had been suggested (Berry et al., 1995; Fellers et al., 1967; Manz et al., 1987; Odievre, 1966). Use of the term glycogenosis type XI introduced by Hug (1987) is to be discouraged because glycogen accumulation is not due to the proposed functional defect of phosphoglucomutase, an essential enzyme in the common degradative pathways of both glycogen and galactose, but is secondary to nonfunctional glucose transport.;

Inheritance : Autosomal recessive;

Molecular basis : Caused by mutation in the glucose transporter 2 gene (SLC2A2, 138160.0002);

Laboratory abnormalities : Normal red cell galactose-1-phosphate uridyltransferase; Hypophosphatemia; Hypouricemia; High serum alkaline phosphatase; Hyperphosphaturia; Hypercalciuria; Hyperaminoaciduria; Generalized aminoaciduria; Increased red cell galactokinase; Proteinuria; Ketonuria; Hypokalemia; Impaired galactose metabolism; Glucosuria;

Prefixed ID : #227810;

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02/06/2024


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