Engineering the Mucus Barrier.

Engineering the Mucus Barrier.
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DOI:
10.1146/annurev-bioeng-062117-121156
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发表时间:
2018-06-04
影响因子:
9.7
通讯作者:
Carrier RL
Carrier RL
中科院分区:
工程技术1区
文献类型:
--
作者:
Carlson TL;Lock JY;Carrier RL

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粘液选择性地控制分子、颗粒物质和微生物向下面的上皮层的运输。可能需要削弱粘液屏障以实现药物载体的有效递送。或者,可以加强粘液屏障以防止上皮与病原微生物或其他外源物质的相互作用。动态粘液层可以响应自然发生或有目的地施用的刺激而发生结构(例如孔径)和/或组成(例如蛋白质浓度、粘蛋白糖基化)的变化,从而改变其屏障功能。这篇综述概述了粘液提供选择性屏障的机制,以及从增强或削弱粘液层屏障特性的角度设计粘液层的方法。此外,还重点讨论了药物载体的战略设计和跨粘液屏障有效递送的剂量配方特性。
Mucus selectively controls the transport of molecules, particulate matter, and microorganisms to the underlying epithelial layer. It may be desirable to weaken the mucus barrier to enable effective delivery of drug carriers. Alternatively, the mucus barrier could be strengthened to prevent epithelial interaction with pathogenic microbes or other exogenous materials. The dynamic mucus layer can undergo changes in structure (e.g., pore size) and/or composition (e.g., protein concentrations, mucin glycosylation) in response to stimuli that occur naturally or are purposefully administered, thus altering its barrier function. This review outlines mechanisms by which mucus provides a selective barrier and methods to engineer the mucus layer from the perspective of strengthening or weakening its barrier properties. In addition, strategic design of drug carriers and dosing formulation properties for efficient delivery across the mucus barrier are highlighted and discussed.
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