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水杨酸钠急慢性注射致豚鼠耳蜗形态学的改变 被引量:12

Alterations of Morphology of the Guinea Pig Cochlea Induced by Acute or Chronic Sodium Salicylate Injection
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摘要 目的 :研究水杨酸钠对豚鼠耳蜗形态学改变的急慢性作用。方法 :采用单次和长期注射水杨酸钠建模分别在光镜、电镜 (扫描、透射 )下观察 1次及多次注射水杨酸钠组和生理盐水对照组豚鼠耳蜗基底膜Corti器 ,特别是外毛细胞形态的改变。结果 :以相应的生理盐水组为对照 ,急性水杨酸钠注射 2h主要引起透射电镜下豚鼠外毛细胞侧壁表面下池发生扩张性空泡形成 ;慢性水杨酸钠注射 2周主要引起豚鼠外毛细胞在透射电镜下出现表面下池肿胀、扩张、空泡形成 ,以及透射和扫描电镜下均出现静纤毛柔软、弯曲。结论 :急慢性水杨酸钠注射引起豚鼠耳蜗形态学改变可能为耳蜗功能改变的原因 。 Objective: To study the effects of the acute or chronic sodium salicylate injection on morphology of the guinea pig cochlea. Methods: Using the light microscope (LM), scanning and transmission electron microscope (SEM and TEM),the morphology of the Corti of organ was observated, especially the outer hair cells (OHCs) in the guinea pig with acute or chronic sodium salicylate/saline injection. Results: The sodium salicylate for single injection mainly caused the subsurface cisternae (SSC) in OHCs dilatation and vesiculation after injection 2 h under the TEM; the sodium salicylate injection for two weeks mainly caused the SSC swelling, dilatation and vesiculation under the TEM, and the stereocilia flaccid and bending under the SEM and TEM. Conclusion: The changes in morphology of guinea pig cochlea caused by acute or chronic sodium salicylate injection might give some evidence structural of the alterations in the cochlear function and the occurrence of tinnitus and hearing loss in clinic.
出处 《武汉大学学报(医学版)》 CAS 2003年第1期6-8,12,共4页 Medical Journal of Wuhan University
基金 国家自然科学基金资助项目 (项目编号 :3 0 0 0 0 190 )
关键词 水杨酸钠 急慢性注射 豚鼠 耳蜗 形态学 sudium salicylate cochlea outer hair cell
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参考文献8

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同被引文献128

  • 1凡启军,黄治物,梅玲,肖伯奎.水杨酸钠作用后大鼠耳蜗热休克蛋白27表达的研究[J].听力学及言语疾病杂志,2005,13(1):47-49. 被引量:3
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  • 3罗燕云,黄治物,吴展元.水杨酸钠急性注射对清醒豚鼠畸变产物耳声发射的影响[J].听力学及言语疾病杂志,2005,13(5):341-343. 被引量:1
  • 4陈伟,杨仕明.Prestin——外毛细胞运动蛋白[J].中华耳鼻咽喉头颈外科杂志,2007,42(5):394-396. 被引量:5
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