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To investigate the expression of MIF, NF-κB p65 and IL-1β in the tissue of nasal polyps and normal inferior turbinate, to analyze their relevance, and to explore their role in nasal polyps. The infiltrating results of EOS and others inflammatory cells in 48 cases diagnosed as nasal polyps (nasal polyps group) were detected by HE staining, and the expression of MIF, NF-κB p65 and IL-1β were investigated by immunohistochemistry. Twenty-one patients who were performed septoplasty orthotics were included as the control group; the VAS and Lund-Kennedy score were used to evaluate the degree of nasal polyps in patients and the correlation analysis was conducted between the disease severity and the expression levels of this three factors. (1) The infiltrating results of EOS and the expression level of MIF, NF-κB p65, IL-1β in nasal polyps group are obviously higher than these in the control group (P < 0.05); Spearman correlation analysis shows that MIF, NF-κb p65 and IL-1β are positively correlated with each other (r = 0.74, 0.66, 0.60, P < 0.05); the nuclear activation rate of NF-κB p65 is positively correlated with MIF, IL-1β (r = 0.67, 0.63, P < 0.05); the infiltration degree of EOS is positively correlated with MIF, IL-1β (r = 0.49, 0.55, P < 0.05), but has no correlation with the NF-κB p65 and its nuclear activation rate. (2) The VAS grade of the nasal polyps group is 8.24 ± 1.72 and the nasal endoscopic examination grade is 8.63 ± 3.81. Spearman correlation analysis shows that the VAS grade is positively correlated with the level of MIF (r = 0.71, P < 0.05), but had no correlation with NF-κB p65, its nuclear activation rate and IL-1β. The nasal endoscopic examination grade is positively correlated with MIF and the nuclear activation rate of NF-κB p65 (r = 0.79, 0.73, P < 0.05), but has no correlation with the level of NF-κB p65 and IL-1β (P > 0.05). MIF, NF-κB p65 and IL-1β may promote the development of the nasal polyps, and there may exist the IL-1β--NF-κB--MIF approach in nasal polyps; MIF and NF-κB may participate in maintaining physiological function of inferior turbinate and have relations with the lightest sustained inflammation of inferior turbinate. The MIF and NF-κB p65 nuclear activation rate can be used as a standard of the nasal polyp severity and the judgement prognosis.

Citation

Chunmiao Li, Huijuan Ma, Yunpeng Ba. The expression and role of MIF, NF-κB and IL-1β in nasal polyps]. Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery. 2016 Feb;30(3):220-5

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PMID: 27373093

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