Glycogen Storage Diseases: A Brief Review and Update on Clinical Features, Genetic Abnormalities, Pathologic Features, and Treatment
- 12 September 2011
- journal article
- review article
- Published by Informa UK Limited in Ultrastructural Pathology
- Vol. 35 (5), 183-196
- https://doi.org/10.3109/01913123.2011.601404
Abstract
Glycogen storage diseases (GSD) affect primarily the liver, skeletal muscle, heart, and sometimes the central nervous system and the kidneys. These unique diseases are quite varied in age of onset of symptoms, morbidity, and mortality. Glycogen storage diseases are classified according to their individual enzyme deficiency. Each of these enzymes regulates synthesis or degradation of glycogen. Interestingly, there is great phenotypic variation and variable clinical courses even when a specific enzyme is altered by mutation. Depending on the specific mutation in an enzyme, a GSD patient may have a favorable or unfavorable prognosis. With neonatal or infantile forms, some GSDs lead to death within the first year of life, whereas other glycogen storage diseases are relatively asymptomatic or may cause only exercise intolerance. The paper provides a brief review and update of glycogen storage diseases, with respect to clinical features, genetic abnormalities, pathologic features, and treatment.Keywords
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