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Glycogen storage disease type VI

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(Redirected from Hers' disease) Medical condition
Glycogen storage disease type VI
Other namesGlycogen storage disease due to liver glycogen phosphorylase deficiency
Glycogen
SpecialtyEndocrinology Edit this on Wikidata

Glycogen storage disease type VI (GSD VI) is a type of glycogen storage disease caused by a deficiency in liver glycogen phosphorylase or other components of the associated phosphorylase cascade system. It is also known as "Hers' disease", after Henri G. Hers, who characterized it in 1959. The scope of GSD VI now also includes glycogen storage disease type VIII, IX (caused by phosphorylase b kinase deficiency) and X (deficiency protein kinase A).

The incidence of GSD VI is approximately 1 case per 65,000–85,000 births, representing approximately 30% all cases of glycogen storage disease.

Signs and symptoms

Patients generally have a benign course, and typically present with hepatomegaly and growth retardation early in childhood. Mild hypoglycemia, hyperlipidemia, and hyperketosis may occur. Lactic acid and uric acid levels may be normal. However, lactic acidosis may occur during fasting.

GlycogenPhosphorylase

Diagnosis

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Treatment

Because symptoms of GSD6 are generally mild, the disorder usually requires no treatment other than to avoid prolonged periods without eating. Because glycogen is only broken down when stored energy needs to be used, eating frequent meals can prevent the need to break down glycogen. Levels of blood glucose should be monitored to make sure that the diet is working correctly. This will minimize the symptoms of the disease.

See also

References

  1. RESERVED, INSERM US14-- ALL RIGHTS. "Orphanet: Glycogen storage disease due to liver glycogen phosphorylase deficiency". www.orpha.net. Retrieved 11 April 2019.{{cite web}}: CS1 maint: numeric names: authors list (link)
  2. ^ Glycogen-Storage Disease Type VI at eMedicine
  3. Hers HG (1959). "". Rev Int Hepatol (in French). 9 (1): 35–55. PMID 13646331.
  4. "Glycogen storage disease type VI".

Further reading

External links

ClassificationD
External resources
Inborn error of carbohydrate metabolism: monosaccharide metabolism disorders
Including glycogen storage diseases (GSD)
Sucrose, transport
(extracellular)
Disaccharide catabolism
Monosaccharide transport
Hexoseglucose
Monosaccharide catabolism
Fructose:
Galactose / galactosemia:
Glucoseglycogen
Glycogenesis
Glycogenolysis
Extralysosomal:
Lysosomal (LSD):
GlucoseCAC
Glycolysis
Gluconeogenesis
Pentose phosphate pathway
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