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The role of adenosine in up-regulation of p38 MAPK and ERK during limb ischemic preconditioning-induced brain ischemic tolerance

机译:腺苷在肢体缺血预处理诱导的脑缺血性耐受性期间P38 MAPK和ERK的上调作用

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摘要

Our previous studies have demonstrated that limb ischemic preconditioning (LIP) induced brain ischemic tolerance and up-regulated the expression of p38 MAPK and ERK in the hippocampal CA1 region in rats. The present study was undertaken to investigate the role of adenosine in brain protection and up-regulation of p38 MAPK and ERK induced by LIP. It was found that adenosine A1 receptor antagonist DPCPX dose-dependently inhibited the protective effect of LIP. The up-regulation of p38 MAPK and ERK induced by LIP could be blocked by DPCPX. Furthermore, we observed the effect of adenosine on the brain ischemia. The results showed that pre-administration of adenosine could partly mimic the neuroprotective effect on the brain, up-regulate the expression of p38 MAPK and ERK. Based on the above results, it can be concluded that adenosine participated in brain protection and up-regulation of the expression of p38 MAPK and ERK during the induction of brain ischemic tolerance after LIP.
机译:我们以前的研究表明,肢体缺血预处理(唇)诱导脑缺血性耐受性和上调大鼠海马CA1区P38 MAPK和ERK的表达。 本研究进行了探讨腺苷在脑保护和上调P38 MAPK和ERK的脑部保护和上调的作用。 发现腺苷A1受体拮抗剂DPCPX剂量依赖性抑制唇缘的保护作用。 唇部诱导的P38 MAPK和ERK的上调可以通过DPCPX阻止。 此外,我们观察到腺苷对脑缺血的影响。 结果表明,腺苷预施用可能部分模仿脑的神经保护作用,上调P38 MAPK和ERK的表达。 基于上述结果,可以得出结论,腺苷参与唇部脑缺血性耐受期间P38 MAPK和ERK表达的脑保护和上调。

著录项

  • 来源
    《Brain research》 |2019年第2019期|共12页
  • 作者单位

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

    Hebei Med Univ Dept Pathophysiol 361 Zhongshan East Rd Shijiazhuang 050017 Hebei Peoples R;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 神经病学;
  • 关键词

    Adenosine; Brain ischemia; Limb ischemic preconditioning; Hippocampus; Neuroprotection;

    机译:腺苷;脑缺血;肢体缺血预处理;海马;神经保护;

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