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Bacteria that trigger Crohn’s disease identified

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Bacteria that trigger Crohn’s disease identified
Identifying the onset of Crohn’s disease may be best done by looking at bacteria in the cellular linings of intestinal tissue.

Researchers tested intestinal tissue samples from 447 newly affected and 221 non affected people and found that having more Enterobacteriaceae, Pasteurellacaea, Veillonellaceae and Fusobacteriaceae and fewer Erysipelotrichales, Bacteroidales and Clostridiales bacteria was associated with inflammation levels. Stool samples did not provide as clear of a diagnosis, and antibiotics given to children with Crohn’s symptoms worsened the ratio of bad to good bacteria.

The results, published March 12 in Cell Host and Microbe, could explain why previous studies haven’t been able to find consistent differences between Crohn’s sufferers and healthy people: Stool samples may not identify which bacteria provoke inflammation when they interact with the intestinal wall.

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About Mohammad Daeizadeh

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