期刊文献+

颞叶癫痫发病机理的实验性研究进展 被引量:6

原文传递
导出
摘要 癫痫的产生是由于兴奋作用增强,抑制作用减弱或两者兼有之。苔藓状纤维发芽致局部兴奋性环路形成机制、突触抑制作用减弱机制包括GABA能抑制性神经元选择性缺失及“篮状细胞休眠学说”分别从兴奋、抑制两方面阐述了颞叶癫痫发病机理。近年研究表明苔藓状纤维发芽使颗粒细胞兴奋性增高的同时,突触后GABA_A受体亦发生功能变化,易被MF末梢释放Zn^(2+)阻断,导致GABA抑制作用减弱,由此提出苔藓状纤维发芽/Zn^(2+)敏感性GABA_A受体机制,成为学术界研究的热点。
出处 《国外医学(神经病学.神经外科学分册)》 2004年第2期186-189,共4页 Foreign Medical Sciences(Section On Neurology & Neurosurgery)
  • 相关文献

参考文献20

  • 1Coulter DA. Chronic epileptogenic cellular alterations in the limbic system after status epileptieus. Epilepsia, 1999,40(suppl 1) :S23 - S33.
  • 2Nadler JV, Cuthbertson GJ. Kainic acid neurotoxicity toward hippocampal formation: dependence on specific excitatory pathways.Braln Res, 1980,195(1):47-56.
  • 3Wuarin JP, Dudek FE. Excitatory synaptic input to granule cells increases with time after kainme treatment. J Neurophysio1,2001,85(3) :1067-1077.
  • 4Wenzel HI, Woolley CS, Robbins CA, et al. Kainic acid - induced mossy fiber sprouting and synapse formation in the dentate gyrus of rats.Hippocampus, 2000,10(3) : 244 - 260.
  • 5Cavazos JE, Zhang P, Qazi R, et al. Uhrastructural features of sprouted mossy fiber synapses in kindled and kainic acid - treated rats. J Comp Neurol,2001,458(3) :272- 292.
  • 6Ribak CE, Tran PH, Spigelman I, et al. Status epilepticus-induced hilar basal dendrites on rodent granule cells contribute to recurrent excitatory circuitry.J Comp Neurol,2000,428(2) :240 - 253.
  • 7Parent JM, Tada E, Fike JR, et al. Inhibition of dentate granule cell neurogenosis with brain irradiation does not prevent seizure - induced mossy fiber synaptic reorganization in the rat. J Neurosci, 1999,19( 11 ) :4508 - 4519.
  • 8Lynch M, Sutula T. Recurrent excitatory connectivity in the dentate grrus of kindled and kainic acid-treated rats. J Neurophysiol,2000,83(2) :693 - 704.
  • 9Treiman DM. GABAergic mechanisms in epilepsy. Epilepsia,2001,42(suppl 3):8- 12.
  • 10Bernard C, Cossart R, Hirsch JC, et al. What is GABAergic inhibition?How is it modified in epilepsy? Epilepsia,2000,41(suppl 6):S90-S95.

同被引文献65

引证文献6

二级引证文献6

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部