The clinical manifestations of glycogen storage disease type IV (GSD IV) discussed in this entry span a continuum of different subtypes with. GSD IV GLYCOGEN BRANCHING ENZYME DEFICIENCY GBE1 DEFICIENCY ANDERSEN DISEASE BRANCHER DEFICIENCY GLYCOGENOSIS IV. Spanish Synonyms of “enfermedad por almacenamiento de gluc├│geno-tipo IV”: EAG tipo IV, enfermedad de Andersen, glucogenosis tipo IV.

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Management should involve a multidisciplinary team including specialists in hepatology, glucogenois, nutrition, medical or biochemical genetics, and child development. The disease then rapidly progresses to cirrhosis with portal hypertension and ascites, ultimately causing death in early childhood.


Adult polyglucosan body disease in Ashkenazi Jewish patients carrying the TyrSer mutation in the glycogen-branching enzyme gene. The genes and proteins of atherogenic lipoprotein production. Rev Endocr Metab Disord. Type IV glycogenosis amylopectinosis: It has been postulated that alteration in the glycogen branching structure that makes it less soluble may result in a foreign body reaction that leads to the tissue injury and dysfunction observed in GSD IV [ Howell ]; however, the specific pathologic mechanisms remain unknown.

The natural history is variable: She developed congestive heart failure and died 1 year later.

Glycogenosis due to glucosephosphatase G6P deficiency or glycogen storage disease, GSDtype 1, is a group of inherited metabolic. Early-onset fetal hydrops and muscle degeneration in siblings due to a novel variant of glucogenlsis IV glycogenosis.


Clinical and laboratory findings in four patients with the non-progressive hepatic form of type IV glycogen storage disease. The documents contained in this web site are presented for information purposes only.

Glycogen branching enzyme GBE activity is most commonly assayed in cultured skin fibroblasts, but may also be assayed in muscle or liver tissue. An adult case of Andersen’s disease–type IV glycogenosis: Only comments written in English can be processed.

Congenital type IV glycogenosis: Differential diagnoses include galactosemia, hydrops fetalis, and tyrosinemia see these terms. Diagnostic methods Diagnosis is based on clinical presentation, and glycemia and lactacidemia levels, after a meal hyperglycemia and hypolactacidemiaand after three to four glucogenosis fasting hypoglycemia and hyperlactacidemia.

Glycogen Storage Disease Type IV – GeneReviews┬« – NCBI Bookshelf

We are determined to keep this website freely accessible. Management and treatment Management aims at avoiding hypoglycemia frequent meals, nocturnal enteral feeding through a nasogastric tube, and later oral addition of uncooked starchacidosis restricted fructose and galactose glucogenosis, oral glucogenosis in bicarbonatehypertriglyceridemia diet, cholestyramine, statines glucogenosis, hyperuricemia glucogenosis and hepatic complications.

Branching enzyme activities were 0. Non-lethal congenital hypotonia due to glycogen storage disease type IV. Profound neonatal hypotonia at birth, respiratory failure, dilated cardiomyopathy, early infantile death.

Once the pathogenic variants have been identified in an affected family member, prenatal testing for a pregnancy at increased risk and preimplantation genetic diagnosis are possible. The variable presentations of glycogen storage disease type IV: The following evaluations are suggested with frequency varying according to the severity of the condition:.


To establish the extent of disease and needs of an individual diagnosed with glycogen storage disease type IV GSD IVthe following evaluations are recommended:.

Only comments seeking to improve the glucogenosis and accuracy of information on the Orphanet website are accepted. GeneReviews is a registered trademark of the University of Washington, Seattle.

Successive liver biopsies showed hepatocellular periodic-acid Schiff-positive diastase-resistant inclusions and hepatic fibrosis that was nonprogressive over 3 years. The following evaluations are suggested with frequency varying according to disease severity: Within this continuum several different subtypes with variable age of onset, severity, and clinical features have been recognized.


In 3 Turkish male sibs suffering from tipoo progressive myopathy, Reusche et al. The liver can also show fibrosis and sometimes cirrhosis. Biochem Biophys Res Commun. A mild juvenile variant of type IV glycogenosis. The variable presentations of glycogen storage disease type IV: Decreased fetal movements, polyhydramnios, and fetal hydrops that may be detected prenatally; arthrogryposis, severe hypotonia, muscle atrophy at birth, early neonatal death.