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Toxicologic Pathology
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Toxic Rhinitis-Induced Changes of Human Nasal Mucosa Innervation

David A. Groneberg

DDivision of Allergy Research, Biomedical Research Center, Charité, Humboldt-University, Berlin, david.groneberg{at}charite.de, Department of Medicine, Charité, Humboldt-University, Berlin

Werner Heppt

Department of Otorhinolaryngology, Karlsruhe Teaching Hospital, University of Freiburg, Karlsruhe, Germany

Annette Cryer

Department of Otorhinolaryngology, Karlsruhe Teaching Hospital, University of Freiburg, Karlsruhe, Germany

Anke Wussow

Department of Occupational Medicine, Medical University of Lübeck, Lübeck, Germany

Christian Peiser

DDivision of Allergy Research, Biomedical Research Center, Charité, Humboldt-University, Berlin

Martina Zweng

Department of Otorhinolaryngology, Faculty of Medicine, University of Hannover, Hannover, Germany

Q. Thai Dinh

Department of Medicine, Charité, Humboldt-University, Berlin

Christian Witt

Department of Medicine, Charité, Humboldt-University, Berlin

Axel Fischer

DDivision of Allergy Research, Biomedical Research Center, Charité, Humboldt-University, Berlin

Irritative toxic rhinitis is a nasal disorder induced by chemical compounds like ozone, formaldehyde, nickel, chrome, solvents and tobacco smoke. These noxious stimuli may have effects on the nasal innervation leading to a cascade of neuro-immune interactions and an augmentation of the symptoms. Here we examined changes in the neuropeptide content of mucosal parasympathetic, sympathetic and sensory nerves of patients with toxic rhinitis caused by chronic cigarette smoke exposure. Semiquantitative immunohistochemistry using antibodies against calcitonin gene-related peptide (CGRP), substance P (SP), neuropeptide tyrosine (NPY), and vasoactive intestinal peptide (VIP) was carried out on cryostat sections of human nasal mucosa obtained from normal subjects and patients with toxic rhinitis and revealed significant differences between both groups. Toxic rhinitis patients had significantly elevated expression scores for VIP (2.83 ± 0.31 vs 1.27 ± 0.47 control group) and NPY (3.17 ± 0.31 vs 0.91 ± 0.37 control group) revealing an increase of mediators in distinct subpopulations of airway nerves. In summary, the present studies indicate a differential participation of subclasses of mucosal nerves in the pathophysiology of toxic rhinitis. Airway innervation may have a major role in the pathophysiology of toxic rhinitis associated with chronic cigarette smoke exposure.

Key Words: Toxic rhinitis • neuropeptides • human • nasal mucosa • nonallergic.

References

Toxicologic Pathology, Vol. 31, No. 3, 326-331 (2003)
DOI: 10.1080/01926230390204379
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This Article
Right arrow Abstract Freely available
Right arrow Free Full Text (Free PDF) Free
Right arrow Alert me when this article is cited
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Citing Articles
Right arrow Citing Articles via Google Scholar
Right arrow Citing Articles via Scopus
Google Scholar
Right arrow Articles by Groneberg, D. A.
Right arrow Articles by Fischer, A.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Groneberg, D. A.
Right arrow Articles by Fischer, A.
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What's this?