VSZT reversed endogenous metabolism and gut microbiota disorders, down-regulated colonic cAMP, PKA, p-CREB/CREB and AQP3, as well as mesenteric p-VEGFR2/VEGFR2, p-SRC/SRC, and p-VE-cadherin/ VE-cadherin in MAE rats. Here, AQP3 is linked to epilepsy with myoclonic atonic seizures.