期刊
FRONTIERS IN PHYSIOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fphys.2021.715611
关键词
tight junctions proteins; metabolic disorders; phytochemicals; membrane integrity; intestinal epithelial barrier
类别
资金
- Department of Biotechnology, Govt. of India
- Science and Engineering Research Board (SERB), Govt. of India
- CSIR-Indian Institute of Toxicology Research, Govt. of India
- post-doctoral fellowship women (PDFW) - University Grant Commission (UGC, India)
Mucosal surface layers serve as critical borders separating luminal material from external environments, with tight junctions playing a crucial role in maintaining barrier integrity. Disruption of tight junctions can lead to inflammation and metabolic complications, highlighting the importance of these intercellular structures in maintaining overall health.
Mucosal surface layers are the critical borders throughout epithelial membranes. These epithelial cells segregate luminal material from external environments. However, mucosal linings are also accountable for absorbing nutrients and requiring specific barrier permeability. These functional acts positioned the mucosal epithelium at the epicenter of communications concerning the mucosal immune coordination and foreign materials, such as dietary antigens and microbial metabolites. Current innovations have revealed that external stimuli can trigger several mechanisms regulated by intestinal mucosal barrier system. Crucial constituents of this epithelial boundary are physical intercellular structures known as tight junctions (TJs). TJs are composed of different types transmembrane proteins linked with cytoplasmic adaptors which helps in attachment to the adjacent cells. Disruption of this barrier has direct influence on healthy or diseased condition, as barrier dysfunctions have been interrelated with the initiation of inflammation, and pathogenic effects following metabolic complications. In this review we focus and overview the TJs structure, function and the diseases which are able to influence TJs during onset of disease. We also highlighted and discuss the role of phytochemicals evidenced to enhance the membrane permeability and integrity through restoring TJs levels.
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