Paracellular permeability and tight junction regulation in gut health and disease

A Horowitz, SD Chanez-Paredes, X Haest… - Nature Reviews …, 2023 - nature.com
Epithelial tight junctions define the paracellular permeability of the intestinal barrier.
Molecules can cross the tight junctions via two distinct size-selective and charge-selective …

Tight junction structure and function revisited

T Otani, M Furuse - Trends in cell biology, 2020 - cell.com
Tight junctions (TJs) are intercellular junctions critical for building the epithelial barrier and
maintaining epithelial polarity. The claudin family of membrane proteins play central roles in …

Inflammatory and microbiota-related regulation of the intestinal epithelial barrier

G Barbara, MR Barbaro, D Fuschi, M Palombo… - Frontiers in …, 2021 - frontiersin.org
The intestinal epithelial barrier (IEB) is one of the largest interfaces between the
environment and the internal milieu of the body. It is essential to limit the passage of harmful …

Mechanisms of mucosal healing: treating inflammatory bowel disease without immunosuppression?

EJ Villablanca, K Selin, CRH Hedin - Nature Reviews Gastroenterology …, 2022 - nature.com
Almost all currently available treatments for inflammatory bowel disease (IBD) act by
inhibiting inflammation, often blocking specific inflammatory molecules. However, given the …

Implication of intestinal barrier dysfunction in gut dysbiosis and diseases

C Stolfi, C Maresca, G Monteleone, F Laudisi - Biomedicines, 2022 - mdpi.com
The intestinal mucosal barrier, also referred to as intestinal barrier, is widely recognized as a
critical player in gut homeostasis maintenance as it ensures the complex crosstalk between …

[HTML][HTML] Mechanisms regulating intestinal barrier integrity and its pathological implications

C Chelakkot, J Ghim, SH Ryu - Experimental & molecular medicine, 2018 - nature.com
The gastrointestinal tract is a specialized organ in which dynamic interactions between host
cells and the complex environment occur in addition to food digestion. Together with the …

[HTML][HTML] All disease begins in the (leaky) gut: role of zonulin-mediated gut permeability in the pathogenesis of some chronic inflammatory diseases

A Fasano - F1000Research, 2020 - ncbi.nlm.nih.gov
Improved hygiene leading to reduced exposure to microorganisms has been implicated as
one possible cause for the recent “epidemic” of chronic inflammatory diseases (CIDs) in …

Intestinal barrier and permeability in health, obesity and NAFLD

P Portincasa, L Bonfrate, M Khalil, MD Angelis… - Biomedicines, 2021 - mdpi.com
The largest surface of the human body exposed to the external environment is the gut. At this
level, the intestinal barrier includes luminal microbes, the mucin layer, gastrointestinal …

Claudin-23 reshapes epithelial tight junction architecture to regulate barrier function

A Raya-Sandino, KM Lozada-Soto… - Nature …, 2023 - nature.com
Claudin family tight junction proteins form charge-and size-selective paracellular channels
that regulate epithelial barrier function. In the gastrointestinal tract, barrier heterogeneity is …

[HTML][HTML] Mend your fences: the epithelial barrier and its relationship with mucosal immunity in inflammatory bowel disease

E Martini, SM Krug, B Siegmund, MF Neurath… - Cellular and molecular …, 2017 - Elsevier
The intestinal epithelium can be easily disrupted during gut inflammation as seen in
inflammatory bowel disease (IBD), such as ulcerative colitis or Crohn's disease. For a long …