Trans-Compartmental Regulation of Tight Junction Barrier Function.

IF 3.6 Q2 MEDICINE, RESEARCH & EXPERIMENTAL
Tissue Barriers Pub Date : 2023-10-02 Epub Date: 2022-10-11 DOI:10.1080/21688370.2022.2133880
Amna N Naser, Qun Lu, Yan-Hua Chen
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引用次数: 5

Abstract

Tight junctions (TJs) are the most apical components of junctional complexes in epithelial and endothelial cells. Barrier function is one of the major functions of TJ, which restricts the ions and small water-soluble molecules from passing through the paracellular pathway. Adherens junctions (AJs) play an important role in cell-cell adhesion and cell signaling. Gap junctions (GJs) are intercellular channels regulating electrical and metabolic signals between cells. It is well known that TJ integral membrane proteins, such as claudins and occludins, are the molecular building blocks responsible for TJ barrier function. However, recent studies demonstrate that proteins of other junctional complexes can influence and regulate TJ barrier function. Therefore, the crosstalk between different cell junctions represents a common means to modulate cellular activities. In this review, we will discuss the interactions among TJ, AJ, and GJ by focusing on how AJ and GJ proteins regulate TJ barrier function in different biological systems.

紧密连接屏障功能的跨室调节。
紧密连接(TJs)是上皮细胞和内皮细胞中连接复合体的最顶端成分。屏障功能是TJ的主要功能之一,它限制离子和水溶性小分子通过细胞旁途径。粘附连接(AJs)在细胞间粘附和细胞信号传导中起着重要作用。间隙连接(GJs)是调节细胞间电信号和代谢信号的细胞间通道。众所周知,TJ整合膜蛋白,如claudins和occludins,是负责TJ屏障功能的分子构建块。然而,最近的研究表明,其他连接复合物的蛋白质可以影响和调节TJ屏障功能。因此,不同细胞结之间的串扰代表了调节细胞活动的常见手段。在这篇综述中,我们将通过关注AJ和GJ蛋白如何在不同的生物系统中调节TJ屏障功能来讨论TJ、AJ和JJ之间的相互作用。
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来源期刊
Tissue Barriers
Tissue Barriers MEDICINE, RESEARCH & EXPERIMENTAL-
CiteScore
6.60
自引率
6.50%
发文量
25
期刊介绍: Tissue Barriers is the first international interdisciplinary journal that focuses on the architecture, biological roles and regulation of tissue barriers and intercellular junctions. We publish high quality peer-reviewed articles that cover a wide range of topics including structure and functions of the diverse and complex tissue barriers that occur across tissue and cell types, including the molecular composition and dynamics of polarized cell junctions and cell-cell interactions during normal homeostasis, injury and disease state. Tissue barrier formation in regenerative medicine and restoration of tissue and organ function is also of interest. Tissue Barriers publishes several categories of articles including: Original Research Papers, Short Communications, Technical Papers, Reviews, Perspectives and Commentaries, Hypothesis and Meeting Reports. Reviews and Perspectives/Commentaries will typically be invited. We also anticipate to publish special issues that are devoted to rapidly developing or controversial areas of research. Suggestions for topics are welcome. Tissue Barriers objectives: Promote interdisciplinary awareness and collaboration between researchers working with epithelial, epidermal and endothelial barriers and to build a broad and cohesive worldwide community of scientists interesting in this exciting field. Comprehend the enormous complexity of tissue barriers and map cross-talks and interactions between their different cellular and non-cellular components. Highlight the roles of tissue barrier dysfunctions in human diseases. Promote understanding and strategies for restoration of tissue barrier formation and function in regenerative medicine. Accelerate a search for pharmacological enhancers of tissue barriers as potential therapeutic agents. Understand and optimize drug delivery across epithelial and endothelial barriers.
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