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Related Experiment Video

Updated: Nov 26, 2025

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Paradigm Shift: Functional Dyspepsia-A "Leaky Gut" Disorder?

Jan Tack1,2,3,4, Jolien Schol2, Karen Van den Houte2

  • 1Translational Research Center for Gastrointestinal Diseases (TARGID), University of Leuven, Leuven, Belgium.

The American Journal of Gastroenterology
|December 10, 2020
PubMed
Summary

Research on functional dyspepsia now highlights duodenal inflammation and barrier dysfunction, moving beyond past focus on gastric issues. Confocal laser endomicroscopy reveals pyroptosis, offering new insights into disease mechanisms and treatments.

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Area of Science:

  • Gastroenterology
  • Pathophysiology
  • Microbiome Research

Background:

  • Functional dyspepsia research historically centered on gastric sensorimotor dysfunction.
  • Recent studies indicate low-grade duodenal inflammation plays a key role.
  • Evidence suggests a compromised duodenal mucosal barrier in functional dyspepsia patients.

Purpose of the Study:

  • To investigate the role of duodenal mucosal integrity in functional dyspepsia.
  • To explore the potential of confocal laser endomicroscopy in assessing barrier function.
  • To identify novel therapeutic targets for functional dyspepsia.

Main Methods:

  • Utilized confocal laser endomicroscopy to examine duodenal mucosa.
  • Assessed mucosal barrier function and cellular changes.
  • Investigated evidence of pyroptosis in duodenal biopsies.

Main Results:

  • Demonstrated altered mucosal barrier function in functional dyspepsia.
  • Confirmed the presence of pyroptosis, a form of programmed cell death.
  • Showcased the utility of confocal laser endomicroscopy in visualizing these changes.

Conclusions:

  • Duodenal mucosal integrity and pyroptosis are significant factors in functional dyspepsia.
  • Confocal laser endomicroscopy is a valuable tool for understanding disease mechanisms.
  • This approach may facilitate the development of new treatments for functional dyspepsia.