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首页> 外文期刊>Journal of Neuroimmunology: Official Bulletin of the Research Committee on Neuroimmunology of the World Federation of Neurology >Synthesis and release of neurotoxic kynurenine metabolites by human monocyte-derived macrophages.
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Synthesis and release of neurotoxic kynurenine metabolites by human monocyte-derived macrophages.

机译:人单核细胞衍生的巨噬细胞合成和释放神经毒性犬尿氨酸代谢产物。

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摘要

We studied the regulation of the kynurenine pathway of tryptophan metabolism in human monocyte-derived macrophages (MDM) with the aim of evaluating macrophage involvement in inflammatory neurological disorders.Cultured MDM metabolized tryptophan and released kynurenine metabolites, including the excitotoxin quinolinic acid (QUIN). Lipopolysaccharides (LPS) or the pro-inflammatory cytokines INFgamma and TNFalpha increased, while IL 4 or IL 10 inhibited the rate of tryptophan metabolism and the release of QUIN.The incubation media of INFgamma-exposed MDM caused neuronal death in primary cultures of mixed cortical cells. Glutamate receptor antagonists or poly(ADP-ribose) polymerase inhibitors significantly reduced this death, thus suggesting new possibilities for the treatment of neuronal damage in neuroinflammatory disorders.
机译:我们研究了人单核细胞衍生巨噬细胞(MDM)中色氨酸的犬尿氨酸途径的调节作用,旨在评估巨噬细胞是否参与炎性神经系统疾病。脂多糖(LPS)或促炎细胞因子INFgamma和TNFalpha升高,而IL 4或IL 10抑制色氨酸代谢率和QUIN的释放。细胞。谷氨酸受体拮抗剂或聚(ADP-核糖)聚合酶抑制剂显着降低了这种死亡,从而为治疗神经炎性疾病中的神经元损伤提供了新的可能性。

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