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首页> 外文期刊>Epilepsy currents >Cognitive Activation of “Hyperexcitable Cortex” in JME: Can It Trigger Seizures?
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Cognitive Activation of “Hyperexcitable Cortex” in JME: Can It Trigger Seizures?

机译:JME中“高兴奋性皮层”的认知激活:它会引发癫痫发作吗?

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Epigenetic mechanisms probably account for the development of cortical hyperexcitability and these clinical phenomena in JME. Polymorphisms in a gene coding an ACh receptor subunit—CHRNA4—are associated with susceptibility to JME in some patients (17), and with decreases in performance of visuospatial and phonological memory tasks in subjects without epilepsy (18). Mutations in the gene are associated with nocturnal frontal lobe epilepsy (19). These findings suggest that epigenetic mechanisms involving CHRNA4 and other genes may trigger the onset of seizures in late adolescence in patients with JME and produce the “cortical hyperexcitability” demonstrated by Vollmar et al. during cognitive activation and by others during myoclonic seizures.
机译:表观遗传机制可能解释了JME中皮质超兴奋性的发展以及这些临床现象。编码ACh受体亚基CHRNA4的基因中的多态性与某些患者对JME的易感性有关(17),并且与没有癫痫的患者的视觉空间和语音记忆任务的表现下降有关(18)。该基因的突变与夜间额叶癫痫有关(19)。这些发现表明,涉及CHRNA4和其他基因的表观遗传机制可能会引发JME患者青春期晚期癫痫发作,并产生Vollmar等人证明的“皮质过度兴奋性”。在认知激活过程中以及在肌阵挛性癫痫发作中被他人感染。

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