Overexpression of survival motor neuron improves neuromuscular function and motor neuron survival in mutant SOD1 mice

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Overexpression of survival motor neuron improves neuromuscular function and motor neuron survival in mutant SOD1 mice

Spinal muscular atrophy results from diminished levels of survival motor neuron (SMN) protein in spinal motor neurons. Low levels of SMN also occur in models of amyotrophic lateral sclerosis (ALS) caused by mutant superoxide dismutase 1 (SOD1) and genetic reduction of SMN levels exacerbates the phenotype of transgenic SOD1(G93A) mice. Here, we demonstrate that SMN protein is significantly reduc...

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The SMN (survival motor neuron) gene plays an important role in ontogenesis and its dysfunction leads to immatu-rity of skeletal muscles and motor neurons in the spinal cord. As a result of SMN mutations the affected cells die and clinical symptoms of spinal muscular atrophy (SMA) develop. Physiologically, SMN together with gemins is part of a multiprotein complex of particular importance to mo...

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ژورنال

عنوان ژورنال: Neurobiology of Aging

سال: 2014

ISSN: 0197-4580

DOI: 10.1016/j.neurobiolaging.2013.09.030