He had learning difficulties during primary school, and a single episode of seizures at the age of 10 yr. We performed direct DNA sequencing of the KCNJ11 gene with subsequent functional study of mutated channels in COSm6 cells.
The pattern of ATP-sensitive K+ channel subunits, Kir6.2 and SUR1 mRNA expressions in DG region is different from those in CA1-3 regions of chronic epilepsy induced by picrotoxin in rats.