综述 Review

肠道黏液屏障功能的研究进展

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  • 浙江工商大学食品与生物工程学院, 杭州 310018
韩菲菲(1980-),女,内蒙古赤峰人,副研究员,博士,研究方向为营养与消化道健康。E-mail:hanfei@zjgsu.edu.cn

收稿日期: 2018-05-23

  网络出版日期: 2018-12-19

基金资助

浙江省自然科学基金(LY16C170001);食品科学与工程浙江省重中之重一级学科开放基金(JYTSP20142016);浙江省现代食品安全与营养协同创新中心项目(2017SICR102)

Research Progress on Intestinal Mucus Barrier Function

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  • School of Food Science & Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China

Received date: 2018-05-23

  Online published: 2018-12-19

摘要

哺乳动物肠道中存在多种防御机制保护机体免受病原体的侵害,同时预防自身肠道菌群的影响。肠道分泌的黏液是多种防御机制中的第1道防线。黏液层通过自身的持续性分泌将细菌与上皮细胞分离并促进细菌的清除,从而减少肠道炎症和肠源性感染的发生。近期研究发现,致病微生物进化出了绕过这种黏液保护系统的机制。本文通过对肠道黏液屏障的基本特性及其在建立肠道共生菌群、防御致病微生物移植和入侵中发挥的作用等方面研究进展的综述,为更好地理解黏液屏障在维持肠道健康方面的作用提供借鉴。

本文引用格式

韩菲菲, 彭丽媛, 张学斐, 杨莎莎, 韩剑众 . 肠道黏液屏障功能的研究进展[J]. 动物营养学报, 2018 , 30(12) : 4769 -4775 . DOI: 10.3969/j.issn.1006-267x.2018.12.001

Abstract

Mammals have many defense mechanisms in the intestinal tract to protect the body from pathogens and prevent the effects of intestinal microbiota. Intestine mucus is the first line of defense mechanisms. The mucus layer separates the bacteria from the epithelial cells by their continuous secretion and promotes the clearance of bacteria to reduce the incidence of intestinal inflammation and infection. Recent studies have found that pathogenic microorganisms have evolved mechanisms that bypass mucus protection system. This article reviewed the basic characteristics of intestinal mucus barrier and its role in the establishment of intestinal commensal microbiota and defense against the transplantation and invasion of pathogenic microorganisms. These research results would provide the reference for better understanding the role of mucous barrier in maintaining intestinal health.

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