Goblet cells: multifaceted players in immunity at mucosal surfaces.

Goblet cells: multifaceted players in immunity at mucosal surfaces.
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DOI:
10.1038/s41385-018-0039-y
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发表时间:
2018-11
期刊:
影响因子:
8
通讯作者:
Newberry RD
Newberry RD
中科院分区:
医学1区
文献类型:
--
作者:
Knoop KA;Newberry RD

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杯状细胞(GCs)是一种特化的上皮细胞,分布在多个粘膜表面,通过分泌粘液在维持粘膜屏障中发挥着重要作用。此外,GCs分泌抗微生物蛋白、趋化因子和细胞因子,在先天免疫中显示出超越屏障维持的功能。最近人们认识到,GCs可以形成杯状细胞相关抗原通道(GAPs),并以一种能够诱导适应性免疫反应的方式将腔内物质递送到固有层(LP)抗原呈递细胞(APCs)。其他粘膜表面的GCs与形成GAP的肠GCs具有相同的特征,这表明GAP的形成可能并不局限于肠道,GCs可能在其他粘膜表面发挥这种守门人的作用。在这里,我们回顾了GCs如何通过屏障维持、向APCs输送腔内物质、与APCs的相互作用以及调节免疫反应的因子的分泌来促进粘膜表面免疫的观察结果。
Goblet cells (GCs) are specialized epithelial cells that line multiple mucosal surfaces and have a well appreciated role in barrier maintenance through the secretion of mucus. Moreover, GCs secrete anti-microbial proteins, chemokines, and cytokines demonstrating functions in innate immunity beyond barrier maintenance. Recently it was appreciated that GCs can form goblet cell associated antigen passages (GAPs) and deliver luminal substances to underlying lamina propria (LP) antigen presenting cells (APCs) in a manner capable of inducing adaptive immune responses. GCs at other mucosal surfaces share characteristics with the GAP forming intestinal GCs, suggesting that GAP formation may not be restricted to the gut, and that GCs may perform this gatekeeper function at other mucosal surfaces. Here we review observations of how GCs contribute to immunity at mucosal surfaces through barrier maintenance, the delivery of luminal substances to APCs, interactions with APCs, and secretion of factors modulating immune responses.
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