Reducing small intestinal permeability attenuates colitis in the IL10 gene-deficient mouse
2009

Reducing Intestinal Permeability to Alleviate Colitis in Mice

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Arrieta M C, Madsen K, Doyle J, Meddings J

Primary Institution: University of Alberta

Hypothesis

Can reducing small bowel permeability prevent or lessen colonic disease in IL10 gene-deficient mice?

Conclusion

Reducing small intestinal permeability significantly lessens colitis in IL10 gene-deficient mice.

Supporting Evidence

  • Treated mice showed a marked reduction in small intestinal permeability.
  • Colonic disease was significantly reduced in treated mice compared to controls.
  • Inflammatory cytokine levels were lower in the treated group at 17 weeks.

Takeaway

This study found that making the gut less leaky can help prevent sickness in mice with a specific genetic problem.

Methodology

IL10 gene-deficient mice were treated with a zonulin peptide inhibitor, and their small intestinal permeability and colonic disease were measured over time.

Limitations

Colitis was not completely prevented in treated animals, indicating other factors may contribute to disease.

Participant Demographics

Homozygous IL10−/− mice and 129 Sv/Ev controls were used.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1136/gut.2008.150888

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