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拉莫三嗪可能通过调节瞬时外向钾电流来限制海马体中的病理性兴奋。

Lamotrigine may limit pathological excitation in the hippocampus by modulating a transient potassium outward current.

作者信息

Grunze H, Greene R W, Möller H J, Meyer T, Walden J

机构信息

Psychiatrische Klinik der Universität, Nussbaumstr. 7, 80336 München, Germany.

出版信息

Brain Res. 1998 Apr 27;791(1-2):330-4. doi: 10.1016/s0006-8993(98)00180-2.

DOI:10.1016/s0006-8993(98)00180-2
PMID:9593976
Abstract

Actions of the new antiepileptic drug lamotrigine were characterised using whole cell patch clamp recordings from rat CA1 pyramidal cells in vitro. The results suggest that lamotrigine, besides its previously described effect on the fast sodium inward current and calcium currents, modulates the transient potassium outward current ID. This may be an effective mechanism to inhibit pathological excitation.

摘要

利用体外大鼠CA1锥体神经元的全细胞膜片钳记录技术,对新型抗癫痫药物拉莫三嗪的作用进行了特性研究。结果表明,拉莫三嗪除了对快速内向钠电流和钙电流有先前描述的作用外,还可调节瞬时外向钾电流ID。这可能是抑制病理性兴奋的一种有效机制。

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Lamotrigine may limit pathological excitation in the hippocampus by modulating a transient potassium outward current.拉莫三嗪可能通过调节瞬时外向钾电流来限制海马体中的病理性兴奋。
Brain Res. 1998 Apr 27;791(1-2):330-4. doi: 10.1016/s0006-8993(98)00180-2.
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Comparison of voltage-dependent potassium currents in rat pyramidal neurons acutely isolated from hippocampal regions CA1 and CA3.急性分离自海马CA1区和CA3区的大鼠锥体神经元电压依赖性钾电流的比较。
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