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Porphyromonas gingivalis has virulence factors such as gingipain and lipopolysaccharide, causing bacteremia to reach the brain and activate neuroinflammatory release cytokines. This study analyzed the effect of the co-culture of neuron cells with P. gingivalis coated with anti-P. gingivalis antibodies against cytokines produced by neuron cells. The gene expressions of the TNF, IL1B, iNOS2 in neurons was evaluated using RT-qPCR. The results showed that P. gingivalis coated with anti-P. gingivalis antibody before co-culture with neuron cells could decrease the gene expression of TNF, IL1B, and iNOS2 of neuron cells.