The effects of sugar in drinking water on Streptococcus pyogenes colonisation in a murine nasopharyngeal infection model

The number of sugar-sweetened beverages consumed per day has been associated with an increased risk of acute rheumatic fever, an autoimmune disease triggered by superficial Streptococcus pyogenes infection. To explore if there could be a biological basis for this association, we used a mouse model o...

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Veröffentlicht in:Scientific reports 2022-10, Vol.12 (1), p.17716-17716, Article 17716
Hauptverfasser: Hashimi, Farina Nor, Bennett, Julie, Baker, Michael G., Moreland, Nicole J., Merry, Troy L., Loh, Jacelyn M. S.
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Sprache:eng
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Zusammenfassung:The number of sugar-sweetened beverages consumed per day has been associated with an increased risk of acute rheumatic fever, an autoimmune disease triggered by superficial Streptococcus pyogenes infection. To explore if there could be a biological basis for this association, we used a mouse model of S. pyogenes nasopharyngeal colonisation combined with a dietary intervention. We observed an increased bacterial load in the nasopharynx of mice receiving sucrose drinking water post-infection, suggesting that high sucrose intake promotes S. pyogenes growth and/or survival. This provides new insight into the potential biological basis behind the association seen in humans.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-022-22648-5