Science Signaling Podcast: 16 February 2010
This link has some new immunology insights about Porphyromonas gingivalis, the bug usually implicated in gingivitis and periodontitis.
Moreover, P. gingivalis has been implicated in systemic inflammatory diseases. For example, this bacterium has been found alive in atherosclerotic plaque lesions and in lung abscesses. Let me say here that periodontitis is epidemiologically associated with atherosclerosis and oral aspiration pneumonia. And, in addition to that, there is recent evidence which suggests that P. gingivalis infection may prime the autoimmune response in rheumatoid arthritis.
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