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Non-muscle involvement in late-onset glycogenosis II.

ABSTRACT: Glycogenosis II (GSD II) is an autosomal recessive lysosomal storage disorder resulting from acid alpha-glucosidase deficiency, subsequent accumulation of glycogen in tissues, impairment of autophagic processes and progressive cardiac, motor and respiratory failure. The late-onset form is characterized by wide variability in residual enzyme activity, age of onset, rate of disease progression and phenotypical spectrum. Although the pathological process mainly affects the skeletal muscle, several other tissues may be involved in the course of the disease; therefore GSD II should be regarded as a multisystem disorder in which glycogen accumulation is present in skeletal and smooth muscle, heart, brain, liver, spleen, salivary glands, kidney and blood vessels. In this review, we briefly summarize the main non-muscle targets of the pathological process in late-onset GSD II. Further studies aimed at evaluating the extra-muscle involvement in this group of patients will help to better define clinical features and prognostic factors and to delineate the natural history of the disease.

SUBMITTER: Filosto M

PROVIDER: S-EPMC3866903 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Non-muscle involvement in late-onset glycogenosis II.

Filosto Massimiliano M Todeschini Alice A Cotelli Maria Sofia MS Vielmi Valentina V Rinaldi Fabrizio F Rota Silvia S Scarpelli Mauro M Padovani Alessandro A

Acta myologica : myopathies and cardiomyopathies : official journal of the Mediterranean Society of Myology 20131001 2

Glycogenosis II (GSD II) is an autosomal recessive lysosomal storage disorder resulting from acid alpha-glucosidase deficiency, subsequent accumulation of glycogen in tissues, impairment of autophagic processes and progressive cardiac, motor and respiratory failure. The late-onset form is characterized by wide variability in residual enzyme activity, age of onset, rate of disease progression and phenotypical spectrum. Although the pathological process mainly affects the skeletal muscle, several ...[more]

PMID: 24399865

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Dataset Information

Non-muscle involvement in late-onset glycogenosis II.

Publications

Non-muscle involvement in late-onset glycogenosis II.

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