Referenced in: none

Automatically associated channels: Kv3.3

Title: Febrile seizures: characterization of double-stranded RNA-induced gene expression.

Authors: Kazuya Sasaki, Muneaki Matsuo, Toshiyuki Maeda, Masafumi Zaitsu, Yuhei Hamasaki

Journal, date & volume: Pediatr. Neurol., 2009 Aug , 41, 114-8

PubMed link: http://www.ncbi.nlm.nih.gov/pubmed/19589459

Abstract
An association has long been suspected between febrile seizures and interleukin-1beta, the most potent endogenous pyrogen. Interleukin-1beta production increases after double-stranded RNA stimulation in leukocytes of febrile seizure patients. To elucidate the genetics of the immune response, the gene expression pattern after double-stranded RNA stimulation was investigated using DNA microarray. Compared with the control group, expression of the genes ACCN4 (sodium channel), KCNC3 (potassium channel), GABRE (gamma-aminobutyric acid receptor epsilon subunit), RIPK2 (receptor interacting protein kinase-2), TLR4 (toll-like receptor-4), IL26 (interleukin-26), and TNF (tumor necrosis factor), and CASP1 (caspase-1) was increased in the febrile seizure group (P < 0.01). Because RIPK2 and CASP1 are associated with interleukin-1beta production, increased expression might cause increased interleukin-1beta production in the febrile seizure patients. The induced expression of several ion channel genes by double-stranded RNA may affect neuronal excitability which leads to seizure susceptibility during infection.