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https://www.selleckchem.com/products/ds-6051b.html When tested head to head with sulforaphane, a covalent KEAP1 binder, Compound 2 had a similar ability to induce the expression of genes known to be modulated by NRF2 in neurons and astrocytes isolated from wild-type rat, wild type mouse and zQ175 (an HD mouse model) embryos. However, while sulforaphane also negatively affected genes involved in neurotoxicity in these cells, Compound 2 showed a clean profile suggesting its mode of action has lower off-target activity. We show that Compound 2 was able to protect cells from an oxidative insult by preserving the ATP content and the mitochondrial potential of primary astrocytes, consistent with the hypothesis that neurotoxicity induced by oxidative stress can be limited by upregulation of innate antioxidant response.Superoxide dismutase 1 (Sod1) plays pivotal roles in antioxidation via accelerating the conversion of superoxide anion radicals into hydrogen peroxide, thus inhibiting the subsequent radical chain reactions. While Sod1 deficient cells inevitably undergo death in culture conditions, Sod1-knockout (KO) mice show relatively mild phenotypes and live approximately two years. We hypothesized that the presence of abundant levels of ascorbic acid (AsA), which is naturally produced in mice, contributes to the elimination of reactive oxygen species (ROS) in Sod1-KO mice. To verify this hypothesis, we employed mice with a genetic ablation of aldehyde reductase (Akr1a), an enzyme that is involved in the biosynthesis of AsA, and established double knockout (DKO) mice that lack both Sod1 and Akr1a. Supplementation of AsA (1.5 mg/ml in drinking water) was required for the DKO mice to breed, and, upon terminating the AsA supplementation, they died within approximately two weeks regardless of age or gender. We explored the etiology of the death from pathophysiological standpoints in principal organs of the mice. Marked changes were observed in the lungs in the form of macrosc

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