Summary of Terato et al. (2018) which studied correlations between antibody responses to common bacterial pathogens (E. coli LPS, P. gingivalis LPS, and peptioglycan-polysaccharide) and rheumatoid arthritis disease markers. The results suggest that different bacterial pathogens may be involved in evoking serological disease markers in RRP and non-RRP rheumatoid arthritis, and may contribute to the different disease outcomes in these patient groups. This paper lays the groundwork for studying rheumatoid arthritis and other autoimmune diseases as perturbations of gastrointestinal bacterial populations rather than a malfunctioning immune response.
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