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| http://purl.uniprot.org/citations/16219305 | http://www.w3.org/2000/01/rdf-schema#comment | "Dosage of the survival motor neuron (SMN) protein has been directly correlated with the severity of disease in patients diagnosed with spinal muscular atrophy (SMA). It is also clear that SMA is a neurodegenerative disorder characterized by the degeneration of the alpha-motor neurons in the anterior horn of the spinal cord and atrophy of the associated skeletal muscle. What is more controversial is whether it is neuronal and/or muscle-cell-autonomous defects that are responsible for the disease per se. Although motor neuron degeneration is generally accepted as the primary event in SMA, intrinsic muscle defects in this disease have not been ruled out. To gain a better understanding of the influence of SMN protein dosage in muscle, we have generated a hypomorphic series of myoblast (C2C12) stable cell lines with variable Smn knockdown. We show that depletion of Smn in these cells resulted in a decrease in the number of nuclear 'gems' (gemini of coiled bodies), reduced proliferation with no increase in cell death, defects in myoblast fusion, and malformed myotubes. Importantly, the severity of these abnormalities is directly correlated with the decrease in Smn dosage. Taken together, our work supports the view that there is an intrinsic defect in skeletal muscle cells of SMA patients and that this defect contributes to the overall pathogenesis in this devastating disease."xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.yexcr.2005.08.019"xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/author | "Kothary R."xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/author | "Cote P.D."xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/author | "Shafey D."xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/date | "2005"xsd:gYear |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/name | "Exp Cell Res"xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/pages | "49-61"xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/title | "Hypomorphic Smn knockdown C2C12 myoblasts reveal intrinsic defects in myoblast fusion and myotube morphology."xsd:string |
| http://purl.uniprot.org/citations/16219305 | http://purl.uniprot.org/core/volume | "311"xsd:string |
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