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Background
The IL‐13 receptor α2 (IL‐13Rα2) is a receptor for IL‐13 which has conflicting roles in mediating IL‐13 responses in the lower airway, with little known about its impact on upper airway diseases. We sought to investigate the expression of IL‐13 receptors, IL‐13Rα1 and IL‐13Rα2, in chronically inflamed nasal epithelium, and explore IL‐13‐induced signaling pathways in an in vitro model of...
Background
Aberrant epithelial remodeling with the ectopic expression of p63 (basal cell markers) is an important pathologic phenomenon seen in chronically inflamed airway epithelium such as in nasal polyps (NPs).
Methods
Biopsies were obtained from 55 NP patients and 18 healthy controls (inferior turbinate). Among NP patients, 15 were treated with oral and nasal steroids, so that two sets of NP...
BackgroundThe remodeling patterns in different types of chronic rhinosinusitis (CRS) have rarely been compared, particularly the difference between eosinophilic and noneosinophilic CRS with nasal polyps (CRSwNP). Moreover, whether there is a link between remodeling and inflammation remains controversial.
ObjectiveTo directly compare the remodeling features of different CRS and to explore their relationship...
BackgroundNasal polyposis (NP) is a Th2‐skewed inflammatory disorder, but it is unclear what role regulatory T cells (T‐reg) play in disease pathology. We investigated the expression profiles of T‐reg and T‐helper‐cell‐associated genes and their response to glucocorticosteroid (GC) treatment in Chinese patients with NP.
MethodsBiopsies were obtained from 29 non‐treated NP patients for comparison...
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