Parameter
| Biomarker | FeNO | Full name | Fractional Exhaled Nitric Oxide | Molecular Type | gas molecules |
|---|---|---|---|---|---|
| Molecular Formula | / | Molecular Weight | / | Core Functional Dimensions | Diagnosis, screening |
| Disease | Asthmae | Disease Subtypes | / | ||
| Organ | Airway (trachea, bronchi, bronchioles) | Test Sample / Technology Platform | Exhaled breath (FeNO detection device) | ||
| Pathobiological Mechanisms | IL-13 upregulates airway epithelial nitric oxide synthase and promotes nitric oxide production, reflecting Th2 airway inflammation | ||||
| Clinical Availability Status | Clinically available / guideline reference: used to suggest eosinophilic inflammation | ||||
| Notes and Dynamics | Affected by demographic characteristics, smoking, diet and other factors, the level of glucocorticoid tolerance in some patients does not decrease | ||||