2012年4月29日 星期日

Microbiota immune system interaction: an uneasy alliance

Microbiota immune system interaction: an uneasy alliance


An estimated 100 trillion microbes colonize human beings, with the majority of organisms residing in the intestines. This microbiota impacts host nutrition, protection, and gut development. Alterations in microbiota composition are associated with susceptibility to various infectious and inflammatory gut diseases. The mucosal surface is not a static barrier that simply prevents microbial invasion but a critical interface for microbiota-immune system interactions. Recent work suggests that dynamic interactions between microbes and the host immune system at the mucosal surface inform immune responses both locally and systemically.

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