Document Detail

Expression levels of endogenous hydrogen sulfide are altered in patients with allergic rhinitis.
MedLine Citation:
PMID:  23303708     Owner:  NLM     Status:  Publisher    
OBJECTIVES/HYPOTHESIS: Hydrogen sulfide (H(2) S), the third endogenous gaseous transmitter, may be a crucial mediator in airway hyper-responsiveness and airway inflammation, including asthma. To elucidate the role of H(2) S in allergic rhinitis, the present study was undertaken to determine the level of expression of H(2) S in healthy nasal mucosa and mild and moderate/severe persistent allergic nasal mucosa as well as peripheral blood obtained from each patient. The expression and distribution pattern of the H(2) S-synthesizing enzymes cystathione γ-lyase (CSE) and cystathione β-synthase (CBS) were investigated in healthy and allergic nasal mucosa. STUDY DESIGN: Controlled, prospective study. METHODS: The concentration of H(2) S in nasal mucosa and plasma was determined by zinc trap spectrophotometry. The expression levels and patterns of distribution of CSE and CBS mRNA and proteins were evaluated using real time polymerase chain reaction, Western blot, and immunohistochemistry. RESULTS: The levels of expression of H(2) S in nasal mucosa and plasma were increased in patients with mild and moderate/severe persistent allergic rhinitis compared with healthy controls. CSE was localized in vascular endothelium and surrounding muscles, and submucosal glands, whereas CBS was exclusively distributed in the superficial epithelium and submucosal glands. Their expression levels were increased in mild and moderate/severe persistent allergic rhinitis. CONCLUSIONS: The current findings indicate that, in parallel with increased expression levels of CSE and CBS, H(2) S is upregulated in nasal mucosa and plasma of allergic patients. Based on localization of CSE and CBS, H(2) S may play multiple functions in human nasal mucosa, contributing to the development of allergic symptoms such as rhinorrhea, sneezing, and nasal stuffiness. Laryngoscope, 2013.
Se Jin Park; Tae Hoon Kim; Seung Hoon Lee; Hyei Yul Ryu; Ki Hong Hong; Jong Yoon Jung; Gyu Ho Hwang; Sang Hag Lee
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-9
Journal Detail:
Title:  The Laryngoscope     Volume:  -     ISSN:  1531-4995     ISO Abbreviation:  Laryngoscope     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8607378     Medline TA:  Laryngoscope     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 The American Laryngological, Rhinological, and Otological Society, Inc.
Department of Otorhinolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul, South Korea.
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