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Target intelligence / Profile preview
Vaginal Physical Barrier (VPB)
- Target
- VPB
- Molecular classification
- Physical Barrier, Epithelium, Extracellular Matrix, Mucosal Barrier
01
Overview
The vaginal physical barrier is a complex, multilayered structure composed of cellular and extracellular components that together protect the female genital tract from pathogens and maintain reproductive health. This barrier includes the stratified squamous epithelium, mucosal secretions (cervicovaginal fluid), tight junctions between epithelial cells, and associated immune factors.
- Other names
- Female genital tract barrierVaginal epithelial barrierCervicovaginal barrier
02
Mechanism of action
N/A
03
Biological functions
Pathogen defenseAntimicrobial activityMaintenance of vaginal pHImmune surveillanceSelective permeability
04
Disease associations
Susceptibility to STIsBacterial vaginosisVulvovaginal candidiasisHIV infectionPreterm birth
05
Safety considerations
Disruption of barrier integrityDevelopment of antibiotic resistanceEstrogen-related side effectsAlteration of vaginal microbiome
06
Interacting drugs
Topical microbicides
4 more in the full profile.
07
Biomarkers
Epithelial thicknessLactobacillus species compositionVaginal pHLevels of antimicrobial peptides (e.g., β-defensins)Inflammatory markers (e.g., cytokines)
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