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J Laryngol Otol ; 132(7): 596-599, 2018 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-29888694

RESUMO

OBJECTIVE: To assess counts of α4 and α7 nicotinic acetylcholine receptors in nasal polyps of adults with or without long-term exposure to cigarette tobacco smoke. METHODS: Twenty-two patients with and 22 patients without exposure to cigarette tobacco smoke participated in the study. After endoscopic polypectomy, the fragments of the nasal polyps were analysed by immunohistochemistry. RESULTS: Compared to patients with no exposure, patients with exposure showed higher counts of α4 and α7 nicotinic acetylcholine receptors (t-test, p 0.05). CONCLUSION: Exposure to cigarette tobacco smoke may induce increased counts of α4 and α7 nicotinic acetylcholine receptors in nasal polyps of adults, with lower counts in males than females without exposure to tobacco smoke.


Assuntos
Pólipos Nasais/química , Receptores Nicotínicos/análise , Fatores Sexuais , Poluição por Fumaça de Tabaco/análise , Receptor Nicotínico de Acetilcolina alfa7/análise , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Pólipos Nasais/patologia , Pólipos Nasais/cirurgia , Poluição por Fumaça de Tabaco/efeitos adversos
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