The Expression Levels of Transforming Growth Factor β1 and Tumor Necrosis Factor Receptor Associated Factor 6 in Allergic Rhinitis Patients and Their Potential Relationship with Epithelial - Mesenchymal Transition: A Pilot Prospective Observational Study.
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Abstract
Objective: To study the role of transforming growth factor beta 1 (TGF-β1) and tumor necrosis factor receptor related factor 6 (TRAF6) in the progression of epithelial mesenchymal transformation (EMT) in allergic rhinitis (AR).
Methods: A total of 30 patients underwent nasal endoscopic surgery at our Hospital were selected for 15 patients in each group based on their allergy status. Inferior turbinate mucosa tissue was obtained and analyzed using immunohistochemical (IHC) tests, real-time quantitative PCR (qRT-PCR) detection, and Western blotting (WB) tests to measure TGF-β1, TRAF6, E-cadherin, Vimentin, and α-Smooth Muscle Actin (α-SMA) expression levels.
Results: The expression levels of TGF-β1, TRAF6, Vimentin, and α-SMA were significantly higher in the AR group compared to the control group as shown by IHC, qRT-PCR, and WB (P < 0.05). E-cadherin expression was significantly lower group than in the control group (P < 0.05). Protein expression of TGF-β1 showed significantly positive correlations with TRAF6 (r = 0.8188, P = 0.0002), α-SMA (r = 0.8076, P = 0.0003), and Vimentin (r = 0.6917, P = 0.0043). There was a significantly negative correlation between protein expression of TGF-β1 and E-cadherin (r = -0.8032, P = 0.0003). Protein expression of TRAF6 showed a significantly negative correlation with E-cadherin (r = -0.6405, P = 0.0101) but positive correlations with α-SMA (r = 0.5809, P = 0.0231) and Vimentin (r = 0.555, P = 0.0318).
Conclusion: TGF-β1, TRAF6, and EMT-related markers (Vimentin, α-SMA) were highly expressed in the nasal mucosa of AR patients. TGF-β1 and TRAF6 may be involved in the epithelial-mesenchymal transition in allergic rhinitis.
期刊介绍：
An international, peer-reviewed journal publishing original research, reports, editorials and commentaries on the following topics: Asthma; Pulmonary physiology; Asthma related clinical health; Clinical immunology and the immunological basis of disease; Pharmacological interventions and new therapies.
Although the main focus of the journal will be to publish research and clinical results in humans, preclinical, animal and in vitro studies will be published where they shed light on disease processes and potential new therapies.
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