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[Olfactory function and olfactory marker protein in patients with chronic sinusitis].
Hai-yan Gao1, Xiao-nong Zhu, Shi-dong Peng
1Department of Otorhinolaryngology, First Hospital of Inner Mongolia Medical Academy, Huhhot 010050, China. hygao@yahoo.com
Summary
Chronic sinusitis significantly impairs smell perception due to olfactory cell damage. Olfactory marker protein levels in olfactory mucosa correlate with these changes, impacting olfaction.
Area of Science:
- Otorhinolaryngology
- Neuroscience
- Pathology
Context:
- Chronic sinusitis is a prevalent condition affecting the nasal and sinus cavities.
- Dysosmia, or impaired sense of smell, is a common but often under-investigated symptom in chronic sinusitis patients.
Purpose:
- To investigate the pathogenesis of dysosmia in chronic sinusitis.
- To examine the expression and significance of olfactory marker protein (OMP) in olfactory mucosa.
Summary:
- A study compared 55 chronic sinusitis patients with 11 controls, assessing dysosmia via subjective tests and examining OMP expression in olfactory mucosa using immunohistochemistry.
- Results showed significantly higher dysosmia rates in chronic sinusitis patients (50.9% objective, 85.5% subjective) compared to controls (9.09% objective, 18.2% subjective).
- OMP was detected in olfactory and microvillar cells, suggesting its role in olfactory function.
Impact:
- The findings indicate that olfactory cell decrease, atrophy, and degeneration are primary causes of dysosmia in chronic sinusitis.
- Understanding the role of OMP could lead to novel diagnostic or therapeutic strategies for smell disorders associated with chronic sinusitis.