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In order to further characterize the still unknown mechanism of cuprizone-induced demyelination, we investigated its effect on rat primary oligodendroglial cell cultures. Cell viability was not significantly affected by this treatment. However, when concentrations of IFNgamma and/or TNFalpha having no deleterious effects per se on cell viability were added(More)
Hemolytic-uremic syndrome (HUS) is generally caused by Shiga toxin (Stx)-producing Escherichia coli. Endothelial dysfunction mediated by Stx is a central aspect in HUS development. However, inflammatory mediators such as bacterial lipopolysaccharide (LPS) and polymorphonuclear neutrophils (PMN) contribute to HUS pathophysiology by potentiating Stx effects.(More)
The hemolytic uremic syndrome (HUS) is characterized by hemolytic anemia, thrombocytopenia and renal dysfunction. The typical form of HUS is generally associated with infections by Gram-negative Shiga toxin (Stx)-producing Escherichia coli (STEC). Endothelial dysfunction induced by Stx is central, but bacterial lipopolysaccharide (LPS) and neutrophils (PMN)(More)
We have previously shown that low concentrations of a specific proteasome inhibitor accelerate exit from the cell cycle and enhance oligodendroglial cell (OLGc) differentiation. To elucidate the mechanisms involved in this process, OLGcs of the N20.1 cell line, transfected with a reporter gene driven by the MBP promoter, were treated with proteasome(More)
The selective degradation of abnormal or short half-life proteins in eukaryotic cells proceeds through the ubiquitin-mediated proteolytic system (UbPS). The signals that tag the proteins for their ubiquitination are well known. In the present study, our aim was to investigate the relationship between the action of ceramide and the changes in the expression(More)
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