Epithelial antimicrobial defence of the skin and intestine.

Epithelial antimicrobial defence of the skin and intestine.
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DOI:
10.1038/nri3228
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发表时间:
2012-06-25
期刊:
Nature reviews. Immunology
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皮肤和肠道等身体表面组织与外部环境直接接触,因此持续暴露于大量微生物。为了科普大量的微生物暴露,上皮表面产生多种多样的抗微生物蛋白质,直接杀死或抑制微生物的生长。在这篇综述中,我们强调了我们对上皮抗菌蛋白如何保护免受病原体侵害并有助于皮肤和肠道粘膜微生物宿主体内平衡的理解的新进展。此外,我们讨论了最近的见解,控制抗菌蛋白表达的调控机制。最后,我们考虑如何受损的抗菌蛋白的表达和功能可以有助于疾病。
Surface tissues of the body such as the skin and intestinal tract are in direct contact with the external environment and are thus continuously exposed to large numbers of microorganisms. To cope with the substantial microbial exposure, epithelial surfaces produce a diverse arsenal of antimicrobial proteins that directly kill or inhibit the growth of microorganisms. In this Review, we highlight new advances in our understanding of how epithelial antimicrobial proteins protect against pathogens and contribute to microbiota–host homeostasis at the skin and gut mucosae. Further, we discuss recent insights into the regulatory mechanisms that control antimicrobial protein expression. Finally, we consider how impaired antimicrobial protein expression and function can contribute to disease.
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