ORPHA Synonym(s). Bickel-Fanconi glycogenosis; Fanconi-Bickel disease; GSD due to GLUT2 deficiency; GSD type 11; GSD type XI; Glycogen storage. Fanconi-Bickel syndrome (FBS) is a rare inherited glycogen storage disease ( GSD) caused by defects in facilitative Glucose Transporter (GLUT2) gene that. NIH Rare Diseases: Fanconi Bickel syndrome (FBS) is a rare condition characterized by the accumulation of a substance called glycogen in different parts of the.

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Defects in metabolism of carbohydrates.

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This original patient carried a homozygous argto-ter RX mutation They also introduced the eponymic designation Fanconi-Bickel syndrome. Supplemental feeds were started 2 months back in the form of cereals and banana. Genetic syndrommembrane: Serum sodium and potassium were normal.

From Wikipedia, the free encyclopedia. Liver biopsy showed accumulation of glycogen in the hepatocytes. A mutation in GLUT2, not in phosphorylase kinase subunits, in hepato-renal glycogenosis with Fanconi syndrome syndeome low phosphorylase kinase activity. Two novel mutations have been discovered in two unrelated Egyptian families. CCC ].

Orphanet: Glycogen storage disease due to GLUT2 deficiency

Intestinal malabsorption was indicated by the general appearance sparse subcutaneous fat, thin limbs, syndfome distended abdomen and the results bickfl vitamin A and xylose absorption tests. The use of the urinary anion gap in the diagnosis of hyperchloremic metabolic acidosis. Liver span was 12 cm. The gene was localized to human chromosome 3q Renal tubular acidosis in infants and children. Unwin RJ, Capasso G. Fanconi syndrome, the most common prototype of proximal RTA[ 48 ], is part of a systemic disease, mostly autosomal recessive.


Case Report Open Access. Growth retardation and hepatosplenomegaly resulting in a protruding abdomen are evident by early childhood.

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C ] – No cystinosis. Published online Jun 6. These observations should syndfome the following conclusions: Liver biopsy revealed excessive amounts of glycogen with steatosis; hypercholesterolemia and hyperlipidemia were pronounced; no evidence of a secretory defect was present. Upon renal biopsy, Manz et al. Unraveling the molecular pathogenesis of isolated proximal renal tubular acidosis. Diagnostic methods Diagnosis may be suspected on the basis of the clinical manifestations, radiological findings syndrme rickets, and from characteristic results from laboratory investigations showing proximal renal tubular dysfunction massive glucosuria, proteinuria, phosphaturia, hypophosphatemia, aminoaciduria and hyperuricemia.

This was the first known dysfunctional mutation in a human facilitative glucose transporter protein.

Permeability defect with bicarbonate leak as wyndrome mechanism of immune-related distal renal tubular acidosis. However, Burwinkel et al. Thus, in a young infant with diarrhea and underlying RTA, diagnosis may be initially obscured.


The first one represents a mutation type causing non-insulin dependent diabetes mellitus and the other 14 types are responsible for FBS with different phenotypes.

Data suggested to Brivet et al. Renal bicarbonate threshold was decreased and led to moderate metabolic acidosis. Glucose absorption was normal, however. Patient was born at term, appropriate for gestational age birth weight 2.

The overall prognosis seems to be favorable; several patients have been reported to have reached adulthood in a stable condition[ 21 ] and the first reports on fertility of female and male patients have recently been published[ 223132 ]. Catch-up growth in Fanconi-Bickel syndrome with uncooked cornstarch. PL mutation can be easily and unambiguously recognized irrespective of its exon number, especially for experts in this lesion, with no difficulty in locating it within GLUT2 gene.

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