Developmental epileptic encephalopathy-47 (DEE47) is a nervous system disease characterized by the onset of intractable seizures that appear the first days or weeks after birth. FGF12 is the disease-causing gene of DEE47 that encodes a small cytoplasm protein, which is a member of the fibroblast growth factor homologous factor (FGF) family. The FGF12-encoded protein interacts with the cytoplasmic tail of voltage-gated sodium channels to enhance the voltage dependence of rapid inactivation of sodium channels in neurons. This study used non-insertion Sendai virus transfection to establish the induced pluripotent stem cells(iPSCs)line with FGF12 mutation. The cell line was obtained from a 3-year-old boy carrying the c.334G > A heterozygous mutation in the FGF12 gene. This iPSC line could facilitate the investigations of pathogeneses of complex nervous system diseases such as developmental epileptic encephalopathy.

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