Ryuichi Nakajima1,5
, Keizo Takao2,3,4
, Shu-Ming Huang1,6
, Jiro Takano1
, Nobuhisa Iwata1
, Tsuyoshi Miyakawa2,3,4
and Takaomi C Saido1 
1Laboratory for Proteolytic Neuroscience, RIKEN Brain Science Institute, Saitama, Japan
2Genetic Engineering and Functional Genomics Group, Frontier Technology Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan
3Division of Systems Medicine, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake, Japan
4JST, CREST, Hon-chou, Kawaguchi, Saitama, Japan
5Current Address: Department of Physiology & Biophysics, Dalhousie University Faculty of Medicine, Halifax, Nova Scotia, Canada
6Current Address: Department of Neuroscience, Institute for Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, PR China