نتایج جستجو برای: cuprizone
تعداد نتایج: 425 فیلتر نتایج به سال:
During the last 50 years, formation of the highly chromogenic copper cuprizone complex has been exploited for spectrophotometric determinations of copper although the precise chemical nature of the resulting species has never been ascertained; we eventually show here, in contrast to current opinion, that copper cuprizone is a copper(III)complex.
In multiple sclerosis, microglia/macrophage activation and astrocyte reactivity are important components of the lesion environment that can impact remyelination. The current study characterizes these glial populations relative to expression of candidate regulatory molecules in cuprizone demyelinated corpus callosum. Importantly, periods of recovery after acute or chronic cuprizone demyelination...
Vitamin D is emerging as a probably important environmental risk factor in multiple sclerosis, affecting both susceptibility and disease progression. It is not known to what extent this effect is due to a modulation of peripheral lymphocyte function, or to intrathecal effects of vitamin D. We investigated the effect of dietary vitamin D3 content on de/remyelination in the cuprizone model, which...
BACKGROUND The pathogenesis of schizophrenia is complex and oligodendrocyte abnormality is an important component of the pathogenesis found in schizophrenia. This study was designed to evaluate the function of olig2 in cuprizone-induced schizophrenia-like symptoms in a mouse model, and to assess the related mechanisms. MATERIAL AND METHODS The schizophrenia-like symptoms were modeled by adminis...
In multiple sclerosis (MS), the correlation between lesion load on conventional magnetic resonance imaging (MRI) and clinical disability is weak. This clinico-radiological paradox might partly be due to the low sensitivity of conventional MRI to detect gray matter demyelination. Magnetization transfer ratio (MTR) has previously been shown to detect white matter demyelination in mice. In this st...
Cuprizone administration in mice provides a reproducible model of demyelination and spontaneous remyelination, and has been useful in understanding important aspects of human disease, including multiple sclerosis. In this study, we apply high spatial resolution quantitative MRI techniques to establish the spatio-temporal patterns of acute demyelination in C57BL/6 mice after 6 weeks of cuprizone...
In demyelinating diseases, such as multiple sclerosis, remyelination offers the potential to recover function of viable denuded axons by restoring saltatory conduction and/or protecting from further damage. Mice with genetic reduction of fibroblast growth factor 2 (Fgf2) or Fgf receptor 1 (Fgfr1) exhibit dramatically improved remyelination following experimental demyelination with cuprizone. Th...
Erythropoietin attenuates neurological and histological consequences of toxic demyelination in mice.
Erythropoietin (EPO) reduces symptoms of experimental autoimmune encephalomyelitis in rodents and shows neuroregenerative effects in chronic progressive multiple sclerosis. The mechanisms of action of EPO in these conditions with shared immunological etiology are still unclear. Therefore, we used a model of toxic demyelination allowing exclusion of T cell-mediated inflammation. In a double-blin...
previous studies have demonstrated the potential of monotherapy with either mesenchymal stem cells (mscs) or estrogen in autoimmune and cuprizone models of multiple sclerosis (ms). the aim of this study was to examine the effects of co-administration of 17β-estradiol (e2) and adipose-derived mesenchymal stem cells (adscs) on remyelination of corpus callosum axons in a cuprizone model of ms. for...
background: the cuprizone multiple sclerosis (ms) animal model is characteristic for toxic demyelination and represents a reversible demyelination and remyelination system. it has been shown that green tea epigallocatechin-3-gallate (egcg) might be effective in improving the symptoms and pathological conditions associated with autoimmune inflammatory diseases in several animal models. objective...
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