This strain was established by Bac transgenic method (construct: Kazuhiro Yamakawa, phD) in 2014 and maintained at Jikei University School of Medicine. Background: Crlj:WI. Transgene: VGAT(Slc32a1: mouse, Kanamycin resistance gene(E. coli), Cre(P1 phage), polyA signal(SV40 virus). Mouse BAC clone: RP23-392-P11