紧密连接:从分子到胃肠道疾病。

IF 3.6 Q2 MEDICINE, RESEARCH & EXPERIMENTAL Tissue Barriers Pub Date : 2023-04-03 DOI:10.1080/21688370.2022.2077620
Aekkacha Moonwiriyakit, Nutthapoom Pathomthongtaweechai, Peter R Steinhagen, Papasara Chantawichitwong, Wilasinee Satianrapapong, Pawin Pongkorpsakol
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引用次数: 7

摘要

肠上皮作为组织屏障的功能,以防止内部隔室和外部环境之间的相互作用。肠屏障功能也决定了营养物质吸收和废物分泌的上皮极性。这些重要功能需要紧密连接蛋白的强完整性。事实上,封闭细胞旁间隙的肠紧密连接可以限制有害肠道内容物从粘膜到浆膜的运输。紧密连接既可以形成绝对屏障,也可以形成细胞旁离子通道。尽管紧密连接缺陷可能导致肠屏障受损和胃肠道(GI)疾病的发生和进展,但目前临床实践中尚无fda批准的恢复上皮紧密连接屏障的疗法。在这里,我们讨论了紧密连接破坏在肠道和相关疾病中的影响和调节机制。我们还概述了恢复胃肠道上皮紧密连接屏障的潜在治疗靶点。
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Tight junctions: from molecules to gastrointestinal diseases.

Intestinal epithelium functions as a tissue barrier to prevent interaction between the internal compartment and the external milieu. Intestinal barrier function also determines epithelial polarity for the absorption of nutrients and the secretion of waste products. These vital functions require strong integrity of tight junction proteins. In fact, intestinal tight junctions that seal the paracellular space can restrict mucosal-to-serosal transport of hostile luminal contents. Tight junctions can form both an absolute barrier and a paracellular ion channel. Although defective tight junctions potentially lead to compromised intestinal barrier and the development and progression of gastrointestinal (GI) diseases, no FDA-approved therapies that recover the epithelial tight junction barrier are currently available in clinical practice. Here, we discuss the impacts and regulatory mechanisms of tight junction disruption in the gut and related diseases. We also provide an overview of potential therapeutic targets to restore the epithelial tight junction barrier in the GI tract.

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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.
期刊最新文献
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