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KMID : 0900220150220010018
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대한비과학회지
2015 Volume.22 No. 1 p.18 ~ p.27
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Clinical Characteristics and Expression Pattern of IL-33 and IL-25 According to Histologic Classification in Chronic Rhinosinusitis with Nasal Polyposis
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김성하:Kim Sung-Ha
모지훈:Mo Ji-Hun/정영준:Chung Young-Jun/허준:Xu Jun/박성제:Park Sung-Jae/나기상:Rha Ki-Sang/김용민:Kim Yong-Min
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Abstract
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Background and Objectives：Many kinds of inflammatory cells and cytokines are suggested to be related to the pathophysiology of chronic rhinosinusitis with nasal polyposis (CRSwNP), but not yet fully understood. The objectives of this study were to classify CRSwNP patients according to histologic features and to reveal the roles of IL-33 and IL-25, on the pathophysiology of CRSwNP.
Materials and Method：CRSwNP patients (n=122) were divided into 3 groups according to the type of nasal polyp; eosinophilic polyp (EP, n=38), neutrophilic polyp (NeuP, n=15) and non-eosinophilic non-neutrophilic polyp (NENN, n=63) groups. Clinical features and the expressions of IL-25 and IL-33 were evaluated among the groups.
Results：The EP group showed many clinical features that were different from the other groups: increased prevalence of asthma and olfactory dysfunction, increased percentage of blood eosinophils, increased E/M ratio, and poor postoperative outcomes such as recurrent polyposis and the need for frequent use of oral steroids. Numbers of IL-33 and IL-25 positive cells were significantly higher in the EP group compared with the other groups in the lamina propria (p=0.001).
Conclusion：These results suggest that patients with an eosinophilic polyp are clinically and pathogenetically different from patients with other types of polyps, and IL-25 and IL-33 are associated with the pathogenesis of chronic rhinosinusitis with eosinophilic polyps.
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KEYWORD
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Nasal polyps, Sinusitis, Eosinophil, IL-25, IL-33
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