Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/97114
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Type: | Journal article |
Title: | Single nucleotide variations in CLCN6 identified in patients with benign partial epilepsies in infancy and/or febrile seizures |
Author: | Yamamoto, T. Shimojima, K. Sangu, N. Komoike, Y. Ishii, A. Abe, S. Yamashita, S. Imai, K. Kubota, T. Fukasawa, T. Okanishi, T. Enoki, H. Tanabe, T. Saito, A. Furukawa, T. Shimizu, T. Milligan, C. Petrou, S. Heron, S. Dibbens, L. et al. |
Citation: | PLoS One, 2015; 10(3):e0118946-1-e0118946-11 |
Publisher: | Public Library of Science |
Issue Date: | 2015 |
ISSN: | 1932-6203 1932-6203 |
Editor: | Ishii, R. |
Statement of Responsibility: | Toshiyuki Yamamoto, Keiko Shimojima, Noriko Sangu, Yuta Komoike, Atsushi Ishii, Shinpei Abe, Shintaro Yamashita, Katsumi Imai, Tetsuo Kubota, Tatsuya Fukasawa, Tohru Okanishi, Hideo Enoki, Takuya Tanabe, Akira Saito, Toru Furukawa, Toshiaki Shimizu, Carol J. Milligan, Steven Petrou, Sarah E. Heron, Leanne M. Dibbens, Shinichi Hirose, Akihisa Okumura |
Abstract: | Nucleotide alterations in the gene encoding proline-rich transmembrane protein 2 (PRRT2) have been identified in most patients with benign partial epilepsies in infancy (BPEI)/benign familial infantile epilepsy (BFIE). However, not all patients harbor these PRRT2 mutations, indicating the involvement of genes other than PRRT2. In this study, we performed whole exome sequencing analysis for a large family affected with PRRT2-unrelated BPEI. We identified a non-synonymous single nucleotide variation (SNV) in the voltage-sensitive chloride channel 6 gene (CLCN6). A cohort study of 48 BPEI patients without PRRT2 mutations revealed a different CLCN6 SNV in a patient, his sibling and his father who had a history of febrile seizures (FS) but not BPEI. Another study of 48 patients with FS identified an additional SNV in CLCN6. Chloride channels (CLCs) are involved in a multitude of physiologic processes and some members of the CLC family have been linked to inherited diseases. However, a phenotypic correlation has not been confirmed for CLCN6. Although we could not detect significant biological effects linked to the identified CLCN6 SNVs, further studies should investigate potential CLCN6 variants that may underlie the genetic susceptibility to convulsive disorders. |
Keywords: | Humans Epilepsy, Benign Neonatal Seizures, Febrile Genetic Predisposition to Disease Chloride Channels RNA, Messenger Pedigree DNA Mutational Analysis Mutagenesis Amino Acid Sequence Base Sequence Polymorphism, Single Nucleotide Exons Molecular Sequence Data Infant, Newborn Female Male Genetic Association Studies |
Rights: | © 2015 Yamamoto et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited |
DOI: | 10.1371/journal.pone.0118946 |
Published version: | http://dx.doi.org/10.1371/journal.pone.0118946 |
Appears in Collections: | Aurora harvest 7 Medicine publications |
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