Ketamine reduces microglial activation and brain monocyte infiltration and promotes peripheral regulatory immune cells, relieving lipopolysaccharide (LPS)-induced depressive-like behavior in mice. - Arena AR; Rubinstein MR; Genaro AM; Tifner V; Risnik DM; López-Carvajal JE; Daray FM; Carrera Silva EA; Errasti AE (Molecular psychiatry, 2026)