Dimethyl And Fumerate

Therapeutic options for cutaneous T-cell lymphoma (CTCL) are limited and curative treatment regimens are not available. Thus, new targeted and well-tolerated therapeutic approaches are urgently needed. In this respect, we have recently shown that dimethyl fumerate (DMF) inhibits NF-κB acting as a survival factor in CTCL. Similarly, inhibition of the antiapoptotic protein B-cell lymphoma 2 (Bcl-2) has been shown to induce cell death in CTCL especially when combined with histone deacetylase inhibitors. Therefore, we hypothesized that inhibition of Bcl-2 should potentiate NF-κB inhibition in a novel combination treatment of CTCL...

In multiple sclerosis (MS), a candidate downstream mechanism for neuronal injury is glutamate (Glu)-induced excitotoxicity, leading to toxic increases in intraneuronal Ca(2+) . Here, we used in vivo two-photon imaging in the brain of TN-XXL transgenic Ca(2+) reporter mice to test whether promising oral MS therapeutics, namely fingolimod, dimethyl fumarate, and their respective metabolites fingolimod-phosphate and monomethyl fumarate, can protect neurons against acute glutamatergic excitotoxic damage. We also assessed whether these drugs can protect against excitotoxicity in vitro using primary cortical neurons, and whether they can directly inhibit Glu release from pathogenic T-helper 17 lymphocytes...

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The development of a whole-cell fluorescence-based biosensor for nitrate is reported. The sensor is Escherichia coli transformed with a plasmid (pPNARGFP) in which the promoter and regulatory regions of the membrane-bound nitrate reductase narGHJI operon (Pnar) are fused to a gfp gene encoding green fluorescent protein (GFP). Pnar-gfp activity was measured at a range of nitrate concentrations using whole-cell GFP fluorescence. The bioassay conditions have been optimized so that the fluorescence intensity is proportional to the extracellular nitrate concentration...