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The mucus and mucins of the goblet cells and enterocytes provide the first defense line of the gastrointestinal tract and interact with the immune system

T. Pelaseyed,Joakim H. Bergström,10 Authors,G. Hansson

2014 · DOI: 10.1111/imr.12182
Immunological Reviews · 1,179 Citations

TLDR

The mucus and epithelial cells of the gastrointestinal tract are the primary gate keepers and controllers of bacterial interactions with the host immune system, but the understanding of this relationship is still in its infancy.