BV2 murine microglial cell line C8-D1A murine astrocytic cell line CCK-8 cell counting kit-8 Cox-2 cyclooxygenase-2 DMEM Dulbecco's Modified Eagle Medium ERK extracellular signal-regulated kinase GAPDH glyceraldehyde-3-phosphate dehydrogenase gene IL-1β interleukin-1 beta IL-6 interleukin-6 LPS lipopolysaccharide MAPK mitogen-activated protein kinase PCR polymerase chain reaction Rb1 ginsenoside Rb1 Rb2 ginsenoside Rb2 Rg1 ginsenoside Rg1 SD standard deviation TNF-α tumor necrosis factor...