نتایج جستجو برای: demyelination
تعداد نتایج: 5277 فیلتر نتایج به سال:
For studies of remyelination in demyelinating diseases, the cuprizone model of CC (corpus callosum) demyelination has experimental advantages that include overall size, proximity to neural stem cells of the subventricular zone, and correlation with a lesion predilection site in multiple sclerosis. In addition, cuprizone treatment can be ended to allow more direct analysis of remyelination than ...
Recent Multiple Sclerosis (MS) research has made it apparent that demyelination has further consequences than its primary effects of inflammation and impaired conduction. It is now well understood that demyelination leads to significant progressive axonal and neuronal degeneration. This finding explains why patients receiving immunosuppressive therapies still show disease progression – they hav...
BACKGROUND Residual CXCR2 expression on CNS cells in Cxcr2 (+/-) →Cxcr2 (-/-) chimeric animals slowed remyelination after both experimental autoimmune encephalomyelitis and cuprizone-induced demyelination. METHODS We generated Cxcr2 (fl/-) :PLPCre-ER(T) mice enabling an inducible, conditional deletion of Cxcr2 on oligodendrocyte lineage cells of the CNS. Cxcr2 (fl/-) :PLPCre-ER(T) mice were e...
The ability to study the immediate, early events in the demyelinating process has been difficult on account of the lack of model systems that address this phase of lesion development. The vast majority of animal models used to study multiple sclerosis (MS) focuses on the later events of myelin destruction. To address this deficiency, we have modified the currently used Theiler's murine encephal...
T cells mediate demyelination in athymic (nude) mice infected with the neurotropic coronavirus mouse hepatitis virus strain JHM. Now, we show that these cells also mediate the same process in mice lacking T cells (T-cell receptor -deficient [TCR / ] mice) and demyelination is gamma interferon (IFN) dependent. Most strikingly, our results also show a major role for NKG2D, expressed on T cells, i...
Background and purpose: Piperine as the main alkaloid of black pepper has antioxidant and neuroprotective properties, so, it is an appropriate candidate to be studied in animal models of multiple sclerosis. This research aimed at investigating the effect of pretreatment with piperine on spatial memory, oxidative stress, and myelin repair gene markers in local demyelination model. Materials and...
Multiple sclerosis (MS) patients are three to six times more likely to develop epilepsy compared to the rest of the population. Seizures are more common in patients with early onset or progressive forms of the disease and prognosticate rapid progression to disability and death. Gray matter atrophy, hippocampal lesions, interneuron loss, and elevated juxtacortical lesion burden have been identif...
Because of the reported absence of demyelination in some animals with neurological signs of experimental allergic encephalomyelitis (EAE), it has been suggested that these signs are not due to demyelination. The present study demonstrates that there is ample demyelination in the central nervous system (CNS) and peripheral nervous system (PNS) to account for the neurological signs in rats with m...
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