WNK-SPAK/OSR1 signaling pathway facilitates ictal activity via reduced neuronal chloride extrusion rate
The study demonstrates that inhibiting the WNK-SPAK/OSR1 signaling pathway with WNK463 suppresses ictal activity by simultaneously reducing NKCC1-mediated chloride influx and enhancing KCC2-mediated chloride efflux, thereby accelerating intracellular chloride extrusion during seizures.