Cited by 1,177Barrier Structure and Function StudiesGastrointestinal motility and disordersGut microbiota and health

Regulation of Tight Junction Permeability by Intestinal Bacteria and Dietary Components1,2

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Ulluwishewa, Dulantha, Anderson, Rachel C., McNabb, Warren C., Moughan, Paul J., Wells, Jerry M., Roy, Nicole C.·2011·The Journal of Nutrition

Abstract

The human intestinal epithelium is formed by a single layer of epithelial cells that separates the intestinal lumen from the underlying lamina propria. The space between these cells is sealed by tight junctions (TJ), which regulate the permeability of the intestinal barrier. TJ are complex protein structures comprised of transmembrane proteins, which interact with the actin cytoskeleton via plaque proteins. Signaling pathways involved in the assembly, disassembly, and maintenance of TJ are controlled by a number of signaling molecules, such as protein kinase C, mitogen-activated protein kinases, myosin light chain kinase, and Rho GTPases. The intestinal barrier is a complex environment exposed to many dietary components and many commensal bacteria. Studies have shown that the intestinal bacteria target various intracellular pathways, change the expression and distribution of TJ proteins, and thereby regulate intestinal barrier function. The presence of some commensal and probiotic strains leads to an increase in TJ proteins at the cell boundaries and in some cases prevents or reverses the adverse effects of pathogens. Various dietary components are also known to regulate epithelial permeability by modifying expression and localization of TJ proteins.

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Crossref · 10.3945/jn.110.135657

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  • The gut microbiota have an important role in promoting the development, maintenance, and function of the intestinal barrier by increasing IgA production and mucin expression, preventing intestinal epithelial cell apoptosis, inhibiting colonization by enteric pathogens, and promoting physiological immune responses.

    “The gut microbiota have an important role in promoting the development, maintenance, and function of the intestinal barrier by increasing IgA production and mucin expression, preventing intestinal epithelial cell apoptosis, inhibiting colonization by enteric pathogens, and promoting physiological immune responses (113, 173, 178).”
  • Establishment of an intact gut-blood barrier depends to a great extent on the presence of a balanced gut microbiota.

    “This essential process depends to a great extent on the presence of a balanced gut microbiota25.”

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Authors
Ulluwishewa, D., Anderson, R. C., McNabb, W. C., Moughan, P. J., Wells, J. M., & Roy, N. C.
Affiliations
  • Riddet Institute (NZ)
  • AgResearch (NZ)
  • Wageningen University & Research (NL)
Corresponding author
Roy, Nicole C.
Venue
The Journal of Nutrition
Publisher
Elsevier BV
Published
2011-05
Volume
141
Issue
5
Pages
769-776
ISSN
0022-3166 (ISSN-L)
OpenAlex
W2156868373
Cited by
1,177
References
106
Citations by year
2026: 55 · 2025: 63 · 2024: 87 · 2023: 103 · 2022: 119 · 2021: 118 · 2020: 104 · 2019: 97 · 2018: 92 · 2017: 88 · 2016: 74 · 2015: 57 · 2014: 43 · 2013: 42 · 2012: 27
FWCI
3.32
Type
journal article
Language
en
Open access
Locations
  • Journal of Nutrition (publishedVersion)
  • PubMed (publishedVersion)
  • eSpace (Curtin University) (submittedVersion)
  • Socio-Environmental Systems Modeling (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
Keywords
tight junctions, intestinal permeability, intestinal barrier, intestinal epithelium, commensal bacteria, probiotics, food components, tight junction proteins, signaling pathways, Rho GTPases, myosin light chain kinase, protein kinase C, mitogen-activated protein kinase, actin cytoskeleton, pathogen protection
MeSH terms
Animals, Cell Membrane Permeability, Diet, Gram-Negative Bacteria, Gram-Positive Bacteria, Humans, Intestinal Mucosa, Signal Transduction, Tight Junctions, Probiotics, Host-Pathogen Interactions

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