Improving Small Intestine Models with Stromal Cells and Hydrogel
Author Information
Author(s): Asal Melis, Thon Maria, Waaijman Taco, Bontkes Hetty J., van Vliet Sandra J., Mebius Reina E., Gibbs Susan
Primary Institution: Amsterdam UMC Location Vrije Universiteit Amsterdam
Hypothesis
Are stromal cells and extracellular matrix beneficial or detrimental to barrier function in small intestine organotypic models?
Conclusion
Incorporating stromal cells and using a hydrogel improves the barrier properties of small intestine models to better mimic in vivo conditions.
Supporting Evidence
- The study found that TEER values in full thickness models were significantly lower than in epithelial models, indicating better mimicry of in vivo conditions.
- Zonulin secretion was higher in full thickness models, correlating with decreased TEER and increased permeability.
- Growth factors like EPO and EGF were secreted differently in the models, affecting barrier function.
Takeaway
This study shows that adding special cells and materials to lab-grown small intestine models makes them work better, just like real intestines.
Methodology
The study compared different small intestine models using epithelial cell lines or primary organoids on either a Transwell membrane or a stromal cell-populated hydrogel.
Potential Biases
Potential bias due to the use of cell lines that may not accurately reflect primary human cells.
Limitations
The study primarily used human-derived cells, which may not fully represent the complexity of the native intestinal environment.
Participant Demographics
Healthy human duodenum tissue was used, obtained from patients after surgery.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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