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Interaction of thymic stromal lymphopoietin, IL-33, and their receptors in epithelial cells in eosinophilic chronic rhinosinusitis with nasal polyps

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单位: [1]Department of Otolaryngology-Head and Neck Surgery,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan [2]Department of Otolaryngology-Head and Neck Surgery, Peking University First Hospital, Beijing [3]Department of Otolaryngology-Head and Neck Surgery, Tianjin First Center Hospital, Tianjin [4]Department of Ear, Nose and Throat, Xi’an Children’s Hospital, Xi’an [5]Department of Infectious Disease,Institute of Infectious Disease,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China
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关键词: cross-regulation interleukin 33 receptor thymic stromal lymphopoietin type 2 T-helper cell response

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BackgroundThymic stromal lymphopoietin (TSLP), IL-25, and IL-33 system contribute to the initiation and development of Th2 responses. This study aimed to explore the involvement of TSLP, IL-25, IL-33, and their receptors in type 2 T-helper (Th) responses in chronic rhinosinusitis with nasal polyps (CRSwNPs) and their cross-regulation in human nasal epithelial cells (HNECs). MethodsImmunohistochemistry, quantitative RT-PCR, ELISA, Bio-Plex assay, and flow cytometry were used to detect the expression of TSLP/common -like TSLP receptor (TSLPR)/IL-7 receptor (IL-7R), IL-25/IL-17B receptor (IL-17RB), and IL-33/membrane-bound ST2 (ST2L)/soluble ST2 (sST2) in sinonasal mucosa and HNECs. HNECs cultured at an air-liquid interface were used to explore the expression in regulation of these cytokine systems. ResultsCompared with controls and noneosinophilic CRSwNP, the expression of TSLP/TSLPR/IL-7R and ST2L/sST2 was significantly increased in eosinophilic CRSwNP, predominantly in epithelial cells. In contrast, the expression of IL-33 and IL-25/IL-17RB was enhanced in epithelial cells in both eosinophilic and noneosinophilic CRSwNP compared to controls. The expression of TSLP, TSLPR, and ST2L was positively correlated with symptom and computer tomography scan scores in eosinophilic CRSwNP and with Th2 cytokine expression in sinonasal mucosa. The expression of ST2L was correlated with TSLP and its receptor expression. TSLP could induce ST2L expression that promoted IL-33-induced TSLP expression in HNECs. In addition, TSLP/TSLPR/IL-7R and ST2L could be induced by Th2 cytokines, while IL-25/IL-17RB and IL-33 could be upregulated by Th1/Th17 cytokines, in HNECs. ConclusionsThe positive feedback loop between TSLP, IL-33 and their receptors, and Th2 cytokines may facilitate Th2-skewed inflammation in eosinophilic CRSwNP.

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基金编号: 81020108018 81325006 81200733 81300812 201202005 IRT_14R20 2014BAI07B04

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出版当年[2014]版:
大类 | 2 区 医学
小类 | 2 区 过敏 2 区 免疫学
最新[2025]版:
大类 | 1 区 医学
小类 | 1 区 过敏 1 区 免疫学
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出版当年[2013]版:
Q1 IMMUNOLOGY Q1 ALLERGY
最新[2023]版:
Q1 ALLERGY Q1 IMMUNOLOGY

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第一作者单位: [1]Department of Otolaryngology-Head and Neck Surgery,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan
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通讯机构: [1]Department of Otolaryngology-Head and Neck Surgery,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan [*1]Huazhong Univ Sci & Technol,Tongji Med Coll,Tongji Hosp,Dept Otolaryngol Head & Neck Surg,1095 Jiefang Ave,Wuhan 430030,Peoples R China
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