House dust mites implicated in IBD

HOUSE dust mites may be an important trigger of gut dysfunction and conditions such as irritable bowel syndrome, say French researchers.

The dust mite dermatophagoides pteronyssinus was found in around half of gut and stool samples taken from healthy patients undergoing endoscopy.

Further testing demonstrated that the house dust mite (HDM) has a “detrimental and profound impact on gut function”.

“We have shown that HDM directly augments colonic permeability, induces proinflammatory and anti-inflammatory cytokine secretion, destroys tight junctions between gut epithelial cells and

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