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Target intelligence / Profile preview
Peripheral Nasal Chemosensory Neuron Receptor (PNCR)
- Target
- PNCR
- Molecular classification
- G protein-coupled receptor (T2R family), Taste receptor, Ion channel (TRP channels), Receptor
01
Overview
The peripheral nasal chemosensory neuron receptor system comprises both epithelial sentinel cells (SCCs) expressing taste-related GPCRs and associated neuronal elements expressing ion channels sensitive to chemical irritation. This system detects a broad range of potentially harmful airborne chemicals—both exogenous toxins/irritants and endogenous bacterial products—and triggers rapid defensive responses at both local tissue and systemic levels.
- Other names
- Solitary chemosensory cell receptorSCC receptorTrigeminal chemosensory receptorNasal chemosensory receptor
02
Mechanism of action
N/A
03
Biological functions
Detection of bitter compoundsDetection of irritantsInitiation of protective reflexes (sneezing, apnea)Neurogenic inflammationAirway protection
04
Disease associations
Respiratory diseaseInflammationAsthmaRhinitisSinusitis
05
Safety considerations
Potential for off-target effects on taste receptorsNeurogenic inflammationDesensitization
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