Under whole-cell patch-clamp recording, sodium current (INa) was activated when the voltage was around -60 mV, and the peak current occurred at about +10 mV.

• 在全细胞电压钳条件下，神经细胞Na+通道电流(INa)在-60mV左右激活，+10mV左右达峰值，对河豚毒素敏感。