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塞来昔布对慢性颞叶癫痫大鼠海马核因子-κBp65和P-糖蛋白表达的影响
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塞来昔布对慢性颞叶癫痫大鼠海马核因子-κBp65和P-糖蛋白表达的影响
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Journal Article
塞来昔布对慢性颞叶癫痫大鼠海马核因子-κBp65和P-糖蛋白表达的影响
2011
Overview
目的探讨环氧合酶-2抑制药塞来昔布对慢性颞叶癫痫大鼠海马核因子-κBp65和P-糖蛋白表达的影响，以及核因子-κBp65和P-糖蛋白与颞叶癫痴发病机制的关系，以为环氧合酶-2抑制药用于抗癫痼药物辅助治疗提供实验依据。方法采用大鼠海马CA3区微量注射海人酸的方法制备颞叶癫痫动物模型，免疫组织化学染色和Westernblotting法观察塞来昔布治疗后大鼠海马核因子-κBp65和P-糖蛋白表达变化。结果与对照组相比较，颞叶癫痫大鼠海马核因子-κBp65、P-糖蛋白表达水平，以及核因子-κBp65核移位现象明显增加（均P〈0．05）；经塞来昔布治疗后，海马组织中核因子-κBp65、P-糖蛋白表达水平及核因子-κBp65核移位现象显著改善，与模型组比较差异有统计学意义（均P〈0．05）。结论核因子-κBp65和P-糖蛋白在颞叶癫痼慢性期表达上调、核因子-κBp65核移位现象增加，有可能是难治性癫痫发生与发展的分子生物学机制之一。环氧合酶-2抑制药塞来昔布通过降低慢性颞叶癫痫大鼠海马CA3区核因子。KBp65和P-糖蛋白表达水平，抑制核因子-κBp65核移位，最终降低炎性反应，逆转多药耐药而发挥抗癫癫作用。
