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논문 기본 정보

자료유형
학술저널
저자정보
Jintao Du (Sichuan University) Ping Lin (Sichuan University) Huabin Li (Shanghai Jiaotong University School of Medicine)
저널정보
대한천식알레르기학회(구 대한알레르기학회) Allergy, Asthma & Immunology Research Allergy, Asthma & Immunology Research Vol.7 No.4
발행연도
2015.1
수록면
346 - 358 (13page)

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Purpose: The role of systemic sensitization in the pathophysiology of chronic rhinosinusitis with nasal polyps (CRSwNP) remains elusive. This study sought to characterize the pattern of cytokines in polyp tissues from atopic and nonatopic patients with CRSwNP. Methods: Atopic and nonatopic polyp and normal tissues were collected from 70 CRSwNP patients and 26 control subjects, respectively. The distribution of inflammatory cells (eosinophils, neutrophils, mast cells, etc.) were examined using immunohistochemistry, the mRNA levels of the transcription factors GATA-3, T-bet, RORc, and FOXP3 were determined using quantitative real-time polymerase chain reaction. The levels of inflammatory mediators (IFN-γ, IL-5, IL- 17A, etc.) in tissue homogenates were measured using enzyme-linked immunosorbent assay (ELISA). Moreover, the levels of inflammatory mediators in the supernatant of anti-IgE stimulated polyp tissues were measured using ELISA. Results: Atopic CRSwNP patients were characterized by increased eosinophil accumulation, enhanced eosinophilic inflammation (elevated IL-5, ECP, and total IgE), and significantly increased GATA-3 mRNA levels (P<0.05), whereas both atopic and non-atopic CRSwNP patients showed decreased FOXP3 mRNA expression (P<0.05). After addition of anti- IgE stimulation, atopic CRSwNP patients produced more IL-5, IL-2, IL-10, IL-17A, and PGD2 in the supernatant of stimulated polyp tissues than nonatopic CRSwNP patients did. Conclusions: Atopic and nonatopic CRSwNP patients may possess the patterns of inflammatory response in polyp tissues.

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