نتایج جستجو برای: spastic paraplegia 18
تعداد نتایج: 361983 فیلتر نتایج به سال:
Background: Strumpel disease and dystonia are inherited disorders with the clinical picture of spastic paraparesis and hyperkinesis respectively. We present a case of a patient born from parents with these diseases who developed neurologic phenomena uncharacteristic for the classical clinical picture of his parents’ disorders. Case report: Patient V., 12, born from his father with generalized d...
The hereditary spastic paraplegias (HSPs) are characterized by spasticity of the leg muscles due to axonal degeneration of corticospinal neurons. Beetz et al. report that the core motor phenotype and axonal pathology of HSPs are recapitulated in mice lacking the HSP-associated gene Reep1. REEP1 is shown to regulate ER structure in motor cortex neurons. The Reep1 knockout mouse should be a very ...
Hereditary spastic paraplegias (HSPs) and ataxias are genetically heterogeneous disorders, with more than 70 genes implicated in each group. A smaller fraction of disorders from both groups manifest both with spastic paresis and ataxia, and recognizing this phenotype helps narrowing down the differential diagnosis. Recently, homozygous and compound heterozygous mutations in CAPN1, which encode ...
Victoria Alvarez ([email protected]) Elena Sánchez-Ferrero ([email protected]) Christian Beetz ([email protected]) Marta Díaz ([email protected]) Belén Alonso ([email protected]) Ana I Corao ([email protected]) Josep Gámez ([email protected]) Jesús Esteban ([email protected]) Juan F Gonzalo ([email protected]) Samuel I Pascual-Pa...
Hereditary spastic paraplegia (HSP) is a clinically and genetically heterogeneous group of neurodegenerative disorders that are clinically characterized by progressive spasticity and weakness of the lower limbs. HSP genetic loci are designated SPG1-72 in order of their discovery. In 206 Japanese families with autosomal dominant HSP, SPG4 was the most common form, accounting for 38%, followed by...
Familial spastic paraplegia (FSP) is a heterogeneous group of disorders characterized primarily by progressive lower limb spasticity and weakness. More than 50 disease loci have been described with different modes of inheritance. In this study, we identified a novel missense mutation (c.803G>A, p.R268Q) in the plasma membrane calcium ATPase (PMCA4, or ATP2B4) gene in a Chinese family with autos...
Sir, The hereditary spastic paraplegias constitute a genetically and clinically heterogeneous group of disorders of which the main clinical feature is progressive lower limb spasticity due to pyramidal tract dysfunction. The cardinal signs result from a ‘dying back’ degeneration of the corticospinal tracts and dorsal column, predominantly due to disturbed axonal transport within the longest fib...
Autosomal recessive cerebellar ataxias and autosomal recessive hereditary spastic paraplegias are clinically and genetically heterogeneous disorders with diverse neurological and non-neurological features. We herein describe a Japanese patient with a slowly progressive form of ataxia and spastic paraplegia. Using whole exome sequencing, we identified a novel homozygous frameshift mutation in SP...
Hereditary spastic paraplegia (HSP) describes a heterogeneous group of genetic neurodegenerative disorders in which the most severely affected neurons are those of the spinal cord. These disorders are characterised clinically by progressive spasticity and weakness of the lower limbs, and pathologically by retrograde axonal degeneration of the corticospinal tracts and posterior columns. In recen...
Motor and sensory conduction studies have been performed in 10 patients from three families with uncomplicated familial spastic paraplegia whose ages ranged from 4 to 41 years. In all cases the values fell within the control range. The findings may be contrasted with those in Friedreich's ataxia and some other spinocerebellar degenerations in which peripheral nerve abnormalities are present.
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