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자료유형
학술저널
저자정보
Ki-Il Lee (Konyang University) Younghwan Han (Konyang University) Jae-Sung Ryu (Konyang University) Seung Min In (Konyang University) Jong-Yeup Kim (Konyang University) Joong Su Park (Konyang University) Jong-Seok Kim (Konyang University) Juhye Kim (Konyang University) Jubin Youn (Konyang University) Seok-Rae Park (Konyang University)
저널정보
대한면역학회 Immune Network Immune Network Vol.22 No.4
발행연도
2022.8
수록면
66 - 81 (16page)

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Tobacco smoking (TS) has been known as one of the most potent risk factors for airway inflammatory diseases. However, there has been a paucity of information regarding the immunologic alteration mediated by TS in patients with chronic rhinosinusitis with nasal polyps (CRSwNP). To identify the effect of TS, we harvested human tissue samples (never smoker: n=41, current smoker: n=22, quitter: n=23) and analyzed the expression of epithelial-derived cytokines (EDCs) such as IL-25, IL-33, and thymic stromal lymphopoietin. The expressions of Th2 cytokines and total serum IgE showed a type-2 inflammatory alteration by TS. In addition, the epithelial marker E-cadherin and epithelial-mesenchymal transition (EMT)-associated markers (N-cadherin, α-SMA, and vimentin) were evaluated. Histological analysis showed that EDC expressions were upregulated in the current smoker group and downregulated in the quitter group. These expression patterns were consistent with mRNA and protein expression levels. We also found that the local Th2 cytokine expression and IgE class switching, as well as serum IgE levels, were elevated in the current smoker group and showed normal levels in the quitter group. Furthermore, the expressions of E-cadherin decreased while those of N-cadherin, α-SMA, and vimentin increased in the current smoker group compared those in the never smoker group. Taken together, these results indicate that TS contributes to the deterioration of pathogenesis by releasing local EDCs and Th2 cytokines, resulting in EMT in patients with CRSwNP. We verified that alterations of immunological response by TS in sinonasal epithelium can play a vital role in leading to CRSwNP.

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ABSTRACT
NTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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