Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Παρασκευή 4 Αυγούστου 2017

Expression and localization of histamine H1, H2, and H3 receptors in rat olfactory epithelium

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Publication date: October 2017
Source:International Journal of Pediatric Otorhinolaryngology, Volume 101
Author(s): Chao Yu, Li Li, Qingjie Xia, Yuedi Tang
ObjectiveHistamine is an important chemical mediator in the development of allergic rhinitis and plays a key role in eliciting the nasal symptoms of the disorder. Histamine may also affect smell as a neurotransmitter. However, whether histamine receptors are present in the mammalian olfactory epithelium has not yet been examined. The aim of this study was to investigate the expression and distribution of histamine H1, H2, and H3 receptors in rat olfactory epithelium.MethodsReal-time quantitative PCR and immunohistochemical staining were performed to examine the mRNA level and protein expression and localization of histamine receptors (H1, H2, and H3) in rat olfactory epithelium.ResultsWe demonstrated that mRNAs encoding histamine H1, H2, and H3 receptors were detected in rat olfactory epithelium. Immunohistochemistry also showed strong positive staining for these receptors. Co-localization of histamine H1, H2, and H3 receptors with olfactory mature protein revealed that these three histamine receptors were mainly localized in olfactory receptor neurons.ConclusionsThese findings indicate that histamine H1, H2, and H3 receptors are present in rat olfactory epithelium and may play a physiological role in olfactory transmission.



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