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[Mechanisms underlying glucocorticoid resistance in chronic rhinosinusitis with nasal polyps].

Chronic rhinosinusitis with nasal polyps (CRSwNP) is a chronic inflammatory disease that occurs in the nasal and sinus mucosa, which is a common disease in otorhinolaryngology. At present, CRSwNP can be effectively treated by glucocorticoids (GC). GC binds to GC receptors in the nasal mucosa, affects the expression of inflammatory genes, inhibits the activation and action of eosinophils, T cell-associated inflammatory responses in nasal polyps, as well as tissue remodeling. However, there are some patients fall reponse to GC, so called GC resistance. The study suggests that the possible mechanism of CRSwNP GC resistance is mainly related to GC receptor abnormal, the role of cytokines and transcription factors, such as Th cells and IL-8. In addition, MAPK-related kinases and histone deacetylase in the GC signaling pathway also play important roles in the GC resistance process. This paper reviews the mechanism of GC treatment of CRSwNP, the mechanism of GC resistance and alternative treatment of GC.