http://www.cnr.it/ontology/cnr/individuo/prodotto/ID61518
An immunological analysis of dystroglycan subunits: lessons learned from a small cohort of non-congenital dystrophic patients. (Articolo in rivista)
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- Label
- An immunological analysis of dystroglycan subunits: lessons learned from a small cohort of non-congenital dystrophic patients. (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.2174/1874205X01105010068 (literal)
- Alternative label
Pavoni, Ernesto; Sciandra, Francesca; Tasca, Giorgio; Tittarelli, Roberta; Bozzi, Manuela; Giardina, Bruno; Ricci, Enzo; Brancaccio, Andrea (2011)
An immunological analysis of dystroglycan subunits: lessons learned from a small cohort of non-congenital dystrophic patients.
in The Open neurology journal
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pavoni, Ernesto; Sciandra, Francesca; Tasca, Giorgio; Tittarelli, Roberta; Bozzi, Manuela; Giardina, Bruno; Ricci, Enzo; Brancaccio, Andrea (literal)
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- ISI Web of Science (WoS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR - Istituto di Chimica del Riconoscimento Molecolare c/o Istituto di Biochimica e Biochimica Clinica, Catholic University, Rome, Italy. (literal)
- Titolo
- An immunological analysis of dystroglycan subunits: lessons learned from a small cohort of non-congenital dystrophic patients. (literal)
- Abstract
- The dystroglycan (DG) expression pattern can be altered in severe muscular dystrophies. In fact, some congenital muscular dystrophies (CMDs) and limb-girdle muscular dystrophies (LGMDs) are caused by point mutations identified in six glycosyltransferase genes which are likely to target different steps along the posttranslational \"O-glycosylation route\" leading to a fully decorated and functional alpha-DG subunit. Indeed, hypoglycosylation of alpha-DG is thought to represent a major pathological event, in that it could reduce the DG's ability to bind the basement membrane components, thus leading to sarcolemmal instability and necrosis. In order to set up an efficient standard immunological protocol, taking advantage of a wide panel of antibodies, we have analyzed the two DG subunits in a small cohort of adult dystrophic patients, whom an extensive medical examination had already clinically classified as affected by LGMD (5), Miyoshi (1) or distal (1) myopathy. Immunofluorescence analysis of skeletal muscle tissue sections revealed a proper sarcolemmal localization of the DG subunits in all the patients analyzed. However, Western blot analysis of lectin enriched skeletal muscle samples revealed an abnormal glycosylation of alpha-DG in two patients. Our work reinforces the notion that a careful immunological and biochemical analysis of the two DG subunits should be always considered as a prerequisite for the identification of new putative cases of dystroglycanopathy. (literal)
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