Effects of Campylobacter concisus on Intestinal Cells
Author Information
Author(s): Nielsen Hans Linde, Nielsen Henrik, Ejlertsen Tove, Engberg Jørgen, Günzel Dorothee, Zeitz Martin, Hering Nina A., Fromm Michael, Schulzke Jörg-Dieter, Bücker Roland
Primary Institution: Aalborg Hospital, Aarhus University Hospital, Denmark
Hypothesis
How do different strains of Campylobacter concisus affect the barrier function of intestinal epithelial cells?
Conclusion
Campylobacter concisus strains induce epithelial barrier dysfunction primarily through apoptosis, leading to increased permeability.
Supporting Evidence
- C. concisus strains were shown to invade HT-29/B6 cells and impair barrier function.
- Apoptosis was significantly elevated in infected cells, indicating cytotoxic effects.
- The expression of the tight junction protein claudin-5 was reduced in infected cells.
Takeaway
Campylobacter concisus can make your gut leaky by killing some of the cells that keep it strong, which can lead to diarrhea.
Methodology
The study involved infecting HT-29/B6 intestinal epithelial cells with various strains of C. concisus and measuring transepithelial electrical resistance and permeability.
Potential Biases
Potential bias in strain selection and the interpretation of results based on in vitro findings.
Limitations
The study primarily focused on in vitro models, which may not fully replicate in vivo conditions.
Participant Demographics
Patients with diarrhea aged 2-63 years and healthy individuals aged 25-31 years.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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