"Metagenome-wide association studies (MGWAS) have proved to be a powerful approach to study gut microbiome for type 2 diabetes, colorectal cancer, etc. This is the first study on dental and saliva microbiomes. The researchers found that, Haemophilus sp. is depleted in rheumatoid arthritis (RA) patients at all three gut and oral sites and negatively correlates with RA auto-antibodies, while Lactobacillus salivarius is over-represented in RA patients at all three sites, especially in the very active cases.
Functional convergence was also observed—the RA gut and oral microbiomes show abnormalities in the redox environment, iron, sulfur, zinc and arginine transport and metabolism, and possible molecular mimicry to RA-related human antigens."
Functional convergence was also observed—the RA gut and oral microbiomes show abnormalities in the redox environment, iron, sulfur, zinc and arginine transport and metabolism, and possible molecular mimicry to RA-related human antigens."
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