Excitability of small-diameter trigeminal ganglion neurons by 5-HT is mediated by enhancement of the tetrodotoxin-resistant sodium current due to the activation of 5-HT4 receptors and/or by the inhibition of the transient potassium current
Keywords: 5-HT3 receptor agonist; 5-HT4 receptor agonist; voltage-clamp; current-clamp; IA; action potential; DRG; dorsal root ganglion; G-V; conductance-voltage; IA; transient K+ current; IK; sustained K+ current; INaR; tetrodotoxin-resistant Na+ current; IT; to