The AMPA receptor antagonist perampanel suppresses epileptic activity in human focal cortical dysplasia.

The AMPA receptor antagonist perampanel suppresses epileptic activity in human focal cortical dysplasia.
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DOI:
10.1002/epi4.12549
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发表时间:
2022-09
期刊:
影响因子:
3
通讯作者:
Cunningham, Mark O.
Cunningham, Mark O.
中科院分区:
医学2区
文献类型:
--
作者:
Brito da Silva, Anderson;Pennifold, Jane;Henley, Ben;Chatterjee, Koustav;Bateman, David;Whittaker, Roger W.;Joshi, Abhijit;Kumar, Hrishikesh;Nicholson, Claire;Baker, Mark R.;Greenhill, Stuart D.;Walsh, Richard;Seri, Stefano;Jones, Roland S. G.;Woodhall, Gavin L.;Cunningham, Mark O.

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局灶性皮质发育不良(FCD)是引起难治性癫痫最常见的畸形之一。在FCD病变中,神经元的异常兴奋性中,神经元能系统的失调起着至关重要的作用。与FCD相关的癫痫的耐药性可能是由于缺乏耐受性良好和精确的抗癫痫药物,可以靶向谷氨酸受体。在此,我们首次在人FCD脑切片中发现,已确立的非竞争性α-氨基-3-羟基-5-甲基-4-异恶唑丙酸(AMPA)受体拮抗剂perampanel具有强效抗癫痫作用。此外,我们证明,这种效果是由于在人类FCD微电路的突发射击行为减少。这些数据支持在人类患者中治疗与FCD相关的难治性癫痫的潜在作用。
Focal cortical dysplasia (FCD) is one of the most common malformations causing refractory epilepsy. Dysregulation of glutamatergic systems plays a critical role in the hyperexcitability of dysplastic neurons in FCD lesions. The pharmacoresistant nature of epilepsy associated with FCD may be due to a lack of well‐tolerated and precise antiepileptic drugs that can target glutamate receptors. Here, for the first time in human FCD brain slices, we show that the established, noncompetitive α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazolepropionic acid (AMPA) receptor antagonist, perampanel has potent antiepileptic action. Moreover, we demonstrate that this effect is due to a reduction in burst firing behavior in human FCD microcircuits. These data support a potential role for the treatment of refractory epilepsy associated with FCD in human patients.
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