http://www.cnr.it/ontology/cnr/individuo/prodotto/ID17408
alpha-Dystroglycan does not play a major pathogenic role in autosomal recessive hereditary inclusion-body myopathy (Articolo in rivista)
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- Label
- alpha-Dystroglycan does not play a major pathogenic role in autosomal recessive hereditary inclusion-body myopathy (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Alternative label
Broccolini A., Gliubizzi C., Pavoni E., Gidaro T., Morosetti R., Sciandra F., Giardina B., Tonali P., Ricci E., Brancaccio A., Mirabella M. (2005)
alpha-Dystroglycan does not play a major pathogenic role in autosomal recessive hereditary inclusion-body myopathy
in Neuromuscular disorders
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- Broccolini A., Gliubizzi C., Pavoni E., Gidaro T., Morosetti R., Sciandra F., Giardina B., Tonali P., Ricci E., Brancaccio A., Mirabella M. (literal)
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- ISI Web of Science (WOS) (literal)
- Titolo
- alpha-Dystroglycan does not play a major pathogenic role in autosomal recessive hereditary inclusion-body myopathy (literal)
- Abstract
- Mutations of the GNE gene are responsible for autosomal recessive hereditary inclusion-body myopathy (HIBM). In this study we searched for the presence of any significant abnormality of alpha-dystroglycan (alpha-DG), a highly glycosylated component of the dystrophin-glycoprotein complex, in 5 HIBM patients which were previously clinically and genetically characterized. Immunocytochemical and immunoblot analysis showed that alpha-DG extracted from muscle biopsies was normally expressed and displayed its typical molecular mass. Immunoblot analysis on the wheat germ lectin-enriched glycoprotein fraction of muscles and primary myotubes showed a reduced amount of alpha-DG in 4 out of 5 HIBM patients, compared to normal and other diseased muscles. However, such altered lectin-binding behaviour, possibly reflecting a partial hyposialylation of alpha-DG, did not affect the laminin binding properties of alpha-DG. Therefore, the subtle changes within the alpha-DG glycosylation pattern, detected in HIBM muscles, likely do not play a key pathogenic role in this disorder. (literal)
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