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Intestinal epithelial tight junctions as targets for enteric bacteria-derived toxins
Alessio Fasano1, James P Nataro
1Division of Pediatric Gastroenterology and Nutrition, School of Medicine, University of Maryland, Baltimore 21201, USA. afasano@umaryland.edu
Advanced Drug Delivery Reviews
|April 6, 2004
Summary
Bacterial pathogens manipulate host cell tight junctions (TJ) to alter intestinal permeability, impacting infectious diarrhea. Understanding these molecular interactions is key to developing new treatments.
Area of Science:
- Microbiology
- Cell Biology
- Immunology
- Intestinal Pathophysiology
Background:
- Bacterial pathogenesis research increasingly uses multidisciplinary approaches and genomic data.
- Infectious diarrhea research necessitates integrating microbiology, cell biology, immunology, and pathophysiology.
- Interactions between bacteria and host cells are being redefined by novel discoveries.
Purpose of the Study:
- To explore new bacteria-host cell interactions.
- To understand how these interactions regulate intestinal permeability.
- To investigate the role of cell cytoskeleton and tight junctions (TJ) in bacterial pathogenesis.
Main Methods:
- Multidisciplinary research approaches.
- Genomic sequencing of microbial pathogens.
- Studies on molecular mechanisms of bacteria-host cell interactions.
- Investigation of signaling pathways affecting intestinal permeability.
Main Results:
- Discovery of novel bacteria-host cell interactions.
- Identification of signaling pathways that modulate intestinal permeability.
- Demonstration that bacteria exploit TJ regulation for pathogenesis.
- Evidence that TJ are dynamic structures, not static barriers.
Conclusions:
- Bacterial pathogens actively modulate host intestinal permeability by targeting TJ.
- Understanding TJ regulation is crucial for comprehending infectious diarrhea.
- Future research should focus on the dynamic interplay between bacteria and host TJ for therapeutic development.