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Target intelligence / Profile preview
Intestinal epithelial tight junction proteins (TJ proteins)
- Target
- TJ proteins
- Molecular classification
- Transmembrane proteins, Adaptor proteins, Cytoskeletal proteins
01
Overview
Intestinal epithelial tight junction proteins form specialized intercellular junctions located at the apical part of the epithelium between neighboring cells. They constitute a critical component of the intestinal barrier, regulating paracellular permeability and maintaining epithelial integrity. These dynamic protein complexes consist of transmembrane proteins (occludin, claudins, JAMs, tricellulin) that interact across the intercellular space and peripheral proteins (ZO-1, ZO-2, ZO-3) that connect to the cytoskeleton. Their proper function is essential for intestinal health, and their dysregulation is implicated in various pathological conditions including inflammatory bowel disease, obesity, and other metabolic disorders.
02
Mechanism of action
Targeting signaling pathways that regulate TJ formation and disassembly
03
Biological functions
Barrier functionParacellular transport regulationCell polarity maintenanceSignal transduction
04
Disease associations
Inflammatory bowel diseaseObesityMetabolic disordersIntestinal inflammation
05
Safety considerations
Potential disruption of normal barrier function
06
Biomarkers
TJ protein expression and localization patterns
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