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. 2021 Jun 29;12(3):e00502-21. doi: 10.1128/mBio.00502-21

FIG 7.

FIG 7

Schematic representation of the putative role of RgpA in the regulation of LPS signaling in gingival keratinocytes. RgpA secreted by P. gingivalis penetrates into the cytoplasm, degrades MCPIP-1, and sensitizes epithelial cells to endotoxins and to both commensal and pathogenic species. Additionally, the released cytokines activate a proinflammatory signaling cascade via the autocrine pathway, leading to exacerbation of the local inflammatory reaction.