ARC and major depressive disorder: The decreased expressions of mRNAs in CUMS-induced depression mice include Slc6a11, Hap1, Gad1, Gad2, Gng4, Slc32a1, Doc2g, Slc32a1, Magel2, Prkcd, Ngfr, Dusp1, Th, Itih3, Cacna2d2, Arc, Mbp, Peg10, Fos, and so on.