نتایج جستجو برای: Neuron Degeneration
تعداد نتایج: 122945 فیلتر نتایج به سال:
background and objectives: studies have documented the morhplogical, neurochemical and functional difference between the dorsal and ventral zones of hippocampus. the aim of this study was to assess the effects of chronic diabetes mellitus type1 on ventral and dorsal zones of hippocampus. methods: experimental diabetes was induced by stereptozotocin at a dose of 60 mg/kg. at the end of 8 weeks ...
Spinocerebellar ataxia type 1 (SCA1) is characterized by adult-onset cerebellar degeneration with attendant loss of motor coordination. Bulbar function is eventually impaired and patients typically die from an inability to clear the airway. We investigated whether motor neuron degeneration is at the root of bulbar dysfunction by studying SCA1 knock-in (Atxn1154Q/+ ) mice. Spinal cord and brains...
BACKGROUND Frontotemporal lobar degeneration with motor neuron disease (FTLD-MND) is a pathological entity characterized by motor neuron degeneration and frontotemporal lobar degeneration. The ability to detect the clinical signs of dementia and motor neuron disease in pathologically confirmed FTLD-MND has not been assessed. OBJECTIVES To determine if all cases of pathologically confirmed FTL...
Disruption of dopamine homeostasis may lead to dopaminergic neuron degeneration, a proposed explanation for the specific vulnerability of dopaminergic neurons in Parkinson's disease. While expression of human alpha-synuclein in C. elegans results in dopaminergic neuron degeneration, the effects of alpha-synuclein on dopamine homeostasis and its contribution to dopaminergic neuron degeneration i...
Mutations in Sigma 1 receptor (SIGMAR1) have been previously identified in patients with amyotrophic lateral sclerosis and disruption of Sigmar1 in mouse leads to locomotor deficits. However, cellular mechanisms underlying motor phenotypes in human and mouse with disturbed SIGMAR1 function have not been described so far. Here we used a combination of in vivo and in vitro approaches to investiga...
spinal cord injury (sci) is a crucial complication that results in neurons degeneration. the sci lead to triggering of secondary complications such as inflammation that in turn has a key role in neurodegeneration development. the previous studies showed that tnf-α and inos genes expression increased significantly after sci. as a consequence, these genes overexpression intensify the inflammation...
The mechanism of selective and age-dependent motor neuron degeneration in human amyotrophic lateral sclerosis (ALS) has not been defined and the role of glutathione (GSH) in association with motor neuron death remains largely unknown. A motor neuron-like cell culture system and a transgenic mouse model were used to study the effect of cellular GSH alteration on motor neuron cell death. Exposure...
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