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Pro-inflammatory T cells-derived cytokines enhance the maturation of the human fetal intestinal epithelial barrier. | LitMetric

AI Article Synopsis

Article Abstract

Small intestine (SI) maturation during early life is pivotal in preventing the onset of gut diseases. In this study we interrogated the milestones of SI development by gene expression profiling and ingenuity pathway analyses. We identified a set of cytokines as main regulators of changes observed across different developmental stages. Upon cytokines stimulation, with IFNγ as the most contributing factor, human fetal organoids (HFOs) increase brush border gene expression and enzyme activity as well as -epithelial electrical resistance. Electron microscopy revealed developed brush border and loss of fetal cell characteristics in HFOs upon cytokine stimulation. We identified T cells as major source of IFNγ production in the fetal SI lamina propria. Co-culture of HFOs with T cells recapitulated the major effects of cytokine stimulation. Our findings underline pro-inflammatory cytokines derived from T cells as pivotal factors inducing functional SI maturation and capable of modulating the barrier maturation of HFOs .

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11134877PMC
http://dx.doi.org/10.1016/j.isci.2024.109909DOI Listing

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