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Attenuated glutamate induced ROS production by antioxidative compounds in neural cell lines

机译:神经细胞系中抗氧化化合物减弱谷氨酸诱导的ROS产生

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Glutamate is an excitatory neurotransmitter involved in neural function. Excess accumulation of intercellular glutamate leads to increasing concentration of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in neuronal cells. In this study, we investigated the antioxidant activity of several typical superior compounds among four neuronal cells, and determined the scavenging activity of free radicals. The in vivo assay was also carried out to compare the protective effect of glutamate-induced cell damage. Hierarchical clustering analysis was used to identify the common properties. Glutamate induced neurotoxicity and ROS production, suggesting glutamate cytotoxicity was related to oxidative stress and widely exists in different cell lines. Those screening compounds exhibited strong antioxidant ability, but low cytotoxicity to neuronal cells, acting as agents against neurodegenerative diseases. Finally, a hierarchical clustering analysis assay indicated that hyperoside and rutin hydrate are the most effective compounds for attenuating intercellular ROS levels. The results suggested the activity more or less relies on structure, rather than residues. These data generate new supporting ideas to remove intracellular ROS and the identified compounds serve as potential therapeutic agents in multiple neurological diseases.
机译:谷氨酸是一种参与神经功能的兴奋性神经递质。细胞间谷氨酸的过量积累导致神经元细胞中活性氧(ROS)和活性氮(RNS)的浓度增加。在这项研究中,我们调查了四个神经元细胞中几种典型的优越化合物的抗氧化活性,并确定了自由基的清除活性。还进行了体内测定以比较谷氨酸诱导的细胞损伤的保护作用。层次聚类分析用于识别通用属性。谷氨酸诱导的神经毒性和ROS的产生,表明谷氨酸的细胞毒性与氧化应激有关,并广泛存在于不同的细胞系中。这些筛选化合物表现出强的抗氧化能力,但对神经元细胞的细胞毒性低,可作为抗神经退行性疾病的药物。最后,层次聚类分析法表明,高丝甙和芦丁水合物是用于减弱细胞间ROS水平的最有效化合物。结果表明,活性或多或少取决于结构而不是残基。这些数据产生了去除细胞内ROS的新的支持思想,并且所鉴定的化合物充当多种神经系统疾病的潜在治疗剂。

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