نتایج جستجو برای: spastic paraplegia
تعداد نتایج: 11676 فیلتر نتایج به سال:
Mechanisms coordinating endosomal degradation and recycling are poorly understood, as are the cellular roles of microtubule (MT) severing. We show that cells lacking the MT-severing protein spastin had increased tubulation of and defective receptor sorting through endosomal tubular recycling compartments. Spastin required the ability to sever MTs and to interact with ESCRT-III (a complex contro...
In a complex nervous system, neuronal functional diversity is reflected in the wide variety of dendritic arbor shapes. Different neuronal classes are defined by class-specific transcription factor combinatorial codes. We show that the combination of the transcription factors Knot and Cut is particular to Drosophila class IV dendritic arborization (da) neurons. Knot and Cut control different asp...
Axons contain a smooth tubular endoplasmic reticulum (ER) network that is thought to be continuous with ER throughout the neuron; the mechanisms that form this axonal network are unknown. Mutations affecting reticulon or REEP proteins, with intramembrane hairpin domains that model ER membranes, cause an axon degenerative disease, hereditary spastic paraplegia (HSP). We show that Drosophila axon...
In this issue of Neuron, Nahm et al. (2013) examine the Drosophila ortholog of spartin, the human gene mutated in a form of hereditary spastic paraplegia. Spartin inhibits BMP signaling and upregulation of BMP signaling may increase microtubule stability and neurodegeneration.
Patients with hereditary spastic paraplegia (HSP) often resemble patients with mild spastic diplegia (SD), although their motor limitations differ. The aim of this study was to analyse quantitatively the gait of HSP and SD subjects in order to define the gait pattern in HSP and the differences between the two conditions. Fifteen subjects with HSP, 40 patients with SD and 20 healthy subjects und...
SPG 8 is an autosomal dominant HSP, which phenotype results from KIAA0196 gene mutations. There have been twelve types of KIAA0196 mutations described in HGMD, which are located in conservative region of gene encoding strumpellin. We describe first patient in Poland, simultaneously second in the world with KIAA0196 mutation - p.V620A.
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