...
首页> 外文期刊>The Journal of Pharmacology and Experimental Therapeutics: Official Publication of the American Society for Pharmacology and Experimental Therapeutics >Group II metabotropic glutamate receptor activation attenuates traumatic neuronal injury and improves neurological recovery after traumatic brain injury.
【24h】

Group II metabotropic glutamate receptor activation attenuates traumatic neuronal injury and improves neurological recovery after traumatic brain injury.

机译:组II代谢型谷氨酸受体的激活减轻了创伤性神经元损伤并改善了创伤性脑损伤后的神经系统恢复。

获取原文
获取原文并翻译 | 示例
           

摘要

We examined the effects of modulating group II metabotropic glutamate receptors (mGluRs) on traumatic neuronal injury using both in vitro and in vivo models. Treatment with various selective group II mGluR agonists significantly decreased lactate dehydrogenase release, a marker of cell death, after traumatic injury to rat neuronal-glial cultures; injury-induced increases in cyclic AMP and glutamate levels were also significantly reduced by a group II agonist. The neuroprotective effects of group II agonists were markedly attenuated by coadministration of a group II antagonist or a membrane-permeable cyclic AMP analog and were additive to those provided by an N-methyl-D-aspartate receptor antagonist or a selective group I mGluR antagonist. Administration of a group II mGluR agonist 30 min after lateral fluid percussion-induced brain injury in rats significantly improved subsequent behavioral recovery as compared with vehicle-treated controls. Together these studies indicate that group II mGluR agonists protect against traumatic neuronal injury by attenuating glutamate release and cAMP levels and suggest a potential role for these agents in the treatment of clinical neurotrauma.
机译:我们使用体外和体内模型研究了调节II型代谢型谷氨酸受体(mGluRs)对创伤性神经元损伤的影响。在大鼠神经胶质细胞损伤后,各种II型选择性mGluR激动剂选择性治疗可显着降低乳酸脱氢酶的释放,乳酸脱氢酶是细胞死亡的标志。 II组激动剂也能明显降低损伤引起的环AMP和谷氨酸水平的升高。通过共同施用II组拮抗剂或膜可渗透的环状AMP类似物,II组激动剂的神经保护作用显着减弱,并且与N-甲基-D-天冬氨酸受体拮抗剂或I型mGluR选择性拮抗剂所提供的作用相加。与运载体治疗的对照组相比,在大鼠侧面液体撞击引起的脑损伤后30分钟给予II组mGluR激动剂显着改善了随后的行为恢复。这些研究共同表明,II组mGluR激动剂可通过降低谷氨酸盐释放和cAMP水平来保护神经元损伤,并暗示这些药物在临床神经创伤治疗中的潜在作用。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号