Gut immune system and oral tolerance.

@article{CastroSnchez2013GutIS,
  title={Gut immune system and oral tolerance.},
  author={Patricia Castro-S{\'a}nchez and Jos{\'e} Manuel Mart{\'i}n-Villa},
  journal={The British journal of nutrition},
  year={2013},
  volume={109 Suppl 2},
  pages={S3-11}
}
Gut mucosal surfaces separate the external environment from the internal sterile environment and so represent a first line of defence system. This barrier faces environments rich in pathogens that have developed effective mechanisms for colonisation of epithelial surfaces and invasion of mucosal tissues, but also harmless antigens such as food, airborne antigens or commensal bacterial flora. The latter represent the vast majority of the encountered antigens and require an appropriate response… CONTINUE READING

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