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Serum eosinophil-derived neurotoxin (EDN) in diagnosis and evaluation of severity and bronchial hyperresponsiveness in childhood asthma

Authors
 Kyung Won Kim  ;  Kyung Eun Lee  ;  Kyu-Earn Kim  ;  Myung Hyun Sohn  ;  Tae Won Song  ;  Eun Soo Kim 
Citation
 LUNG, Vol.185(2) : 97-103, 2007 
Journal Title
 LUNG 
ISSN
 0341-2040 
Issue Date
2007
Abstract
This study sought to evaluate the use of serum eosinophil-derived neurotoxin (EDN), which has been proposed as a marker of airway inflammation in asthma in the diagnosis and evaluation of the severity and bronchial hyperresponsiveness in childhood asthma. We studied 72 children with atopic asthma, 36 children with nonatopic asthma, and 43 healthy controls. Skin prick tests, pulmonary function tests, and methacholine challenge tests were performed, in addition to total eosinophil count, serum ECP, and EDN being measured in all subjects. EDN levels were significantly higher in the atopic asthma group than those in the nonatopic asthma group or control group (p < 0.001), as were ECP levels (p < 0.001). EDN levels differed more significantly among groups divided by asthma severity (p < 0.001) than did ECP levels for these groups (p < 0.05). For the groups divided according to bronchial hyperresponsiveness, both EDN and ECP levels were significantly different (p < 0.005 and p < 0.01, respectively). Significant correlations were found between EDN and PC20 (γ = −0.281; p < 0.001), between ECP and PC20 (γ = −0.274; p < 0.005), and between EDN and ECP (γ = 0.443; p < 0.001). In conclusion, serum EDN, as another marker of eosinophilic inflammation together with ECP, may aid in the diagnosis of asthma, especially atopic asthma, and in the evaluation of the severity and bronchial hyperresponsiveness in childhood asthma.
Full Text
http://link.springer.com/article/10.1007%2Fs00408-006-0054-8
DOI
10.1007/s00408-006-0054-8
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Won(김경원) ORCID logo https://orcid.org/0000-0003-4529-6135
Kim, Kyu Earn(김규언)
Kim, Eun Soo(김은수)
Sohn, Myung Hyun(손명현) ORCID logo https://orcid.org/0000-0002-2478-487X
Song, Tae Won(송태원)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/97131
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