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首页> 外文期刊>Brain research >Synergistic effects of chronic exposure to subthreshold concentrations of quinolinic acid and malonate in the rat striatum.
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Synergistic effects of chronic exposure to subthreshold concentrations of quinolinic acid and malonate in the rat striatum.

机译:慢性暴露于大鼠纹状体中亚阈浓度以下的喹啉酸和丙二酸酯的协同作用。

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摘要

Adult rats received chronic intrastriatal dialytic exposure to quinolinic acid (QUIN), malonate, or a combination of QUIN and malonate. The combination of subthreshold concentrations of QUIN (4 mM) and malonate (400 mM) produced lesions larger than did either QUIN or malonate alone. The neurotoxic effect of QUIN combined with malonate was subsequently blocked by co-administration of the NMDA receptor antagonist MK-801 (1 mM). These findings indicate that malonate synergistically enhances NMDA receptor mediated excitotoxicity.
机译:成年大鼠接受了慢性纹状体内透析暴露于喹啉酸(QUIN),丙二酸或QUIN和丙二酸的组合。亚阈浓度的QUIN(4 mM)和丙二酸(400 mM)的组合所产生的病变大于单独使用QUIN或丙二酸。 QUIN联合丙二酸酯的神经毒性作用随后被NMDA受体拮抗剂MK-801(1 mM)共同给药所阻断。这些发现表明丙二酸酯协同增强NMDA受体介导的兴奋性毒性。

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