1Department of Gene Regulation, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda-shi, Chiba-ken 278-8510, Japan, E-mail: uchiumi@rs.noda.tus.ac.jp
2Research Center for RNA Science, RIST, Tokyo University of Science, Noda-shi, Chiba-ken, Japan, E-mail: uchiumi@rs.noda.tus.ac.jp
3Department of Biochemistry, Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda-shi, Chiba-ken 278-8510, Japan, E-mail: uchiumi@rs.noda.tus.ac.jp