نتایج جستجو برای: spastic paraplegia 18

تعداد نتایج: 361983  

Journal: :Neuron 2007
Shiho Jinushi-Nakao Ramanathan Arvind Reiko Amikura Emi Kinameri Andrew Winston Liu Adrian Walton Moore

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...

2017
Belgin Yalçın Lu Zhao Martin Stofanko Niamh C O'Sullivan Zi Han Kang Annika Roost Matthew R Thomas Sophie Zaessinger Olivier Blard Alex L Patto Anood Sohail Valentina Baena Mark Terasaki Cahir J O'Kane

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...

Journal: :Neuron 2013
Robert A. Carrillo Kaushiki Menon Kai Zinn

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.

Journal: :Functional neurology 2007
Veronica Cimolin Luigi Piccinini Maria Grazia D'Angelo Anna Carla Turconi Matteo Berti Marcello Crivellini Giorgio Albertini Manuela Galli

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...

2017
Piotr Bogucki Agnieszka Sobczyńska-Tomaszewska

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.

Journal: :Arquivos de neuro-psiquiatria 2017
Ingrid Faber Eduardo Rafael Pereira Alberto R M Martinez Marcondes França Hélio Afonso Ghizoni Teive

The authors have constructed a brief timeline of major clinical research related to hereditary spastic paraplegia (HSP). This timeline summarizes the evolution of HSP research, from the first clinical descriptions by Adolf von Strümpell in 1880 to the present day, with the transformation of these diseases into a rapidly-growing and heterogeneous group of neurogenetic diseases.

Journal: :Disability and rehabilitation 2014
Jane Grose Jennifer Freeman Jonathon Marsden

PURPOSE Hereditary Spastic Paraplegia (HSP) is an inherited nervous system disorder characterized by development of leg weakness, spasms and stiffness. While generally acknowledged that health and social care services can minimise symptoms and improve quality of life, there is a lack of research exploring this from the perspective of people affected by HSP. This qualitative study explored the u...

2012
Susanne T. de Bot Helenius J. Schelhaas Erik-Jan Kamsteeg Bart P.C. van de Warrenburg

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...

Journal: :The Journal of clinical investigation 2013
Christian Beetz Nicole Koch Mukhran Khundadze Geraldine Zimmer Sandor Nietzsche Nicole Hertel Antje-Kathrin Huebner Rizwan Mumtaz Michaela Schweizer Elisabeth Dirren Kathrin N Karle Andrey Irintchev Victoria Alvarez Christoph Redies Martin Westermann Ingo Kurth Thomas Deufel Michael M Kessels Britta Qualmann Christian A Hübner

Axonopathies are a group of clinically diverse disorders characterized by the progressive degeneration of the axons of specific neurons. In hereditary spastic paraplegia (HSP), the axons of cortical motor neurons degenerate and cause a spastic movement disorder. HSP is linked to mutations in several loci known collectively as the spastic paraplegia genes (SPGs). We identified a heterozygous rec...

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