Animals, Animals, Newborn, Astrocytes, COS Cells, Cells, Cultured, Chlorocebus aethiops, Cytokines, Endocytosis, Female, Immunity, Innate, Male, Membrane Proteins, Mice, Mice, Inbred C57BL, Mice, Inbred ICR, Mice, Knockout, Neurons, Poly I-C, RNA, Messenger