Background: Although many studies have implicated interleukin (IL)-4 promoter polymorphisms as potential determinants of disease susceptibility, there are no reports on the association between IL-4 promoter polymorphisms and nasal polyps. The aim of this study was to investigate the relationship between an IL-4 promoter polymorphism and nasal polyps.
Methods: The C-590T promoter polymorphism of the IL-4 gene was genotyped by polymerase chain reaction-restriction fragment length polymorphism analysis in 106 Korean chronic rhinosinusitis patients with or without nasal polyps and 70 healthy Korean subjects.
Results: The frequency of the T allele at position -590 of the IL-4 gene in a Korean population was 0.85, which was significantly higher than those of other ethnic groups, and the T/T allele at position -590 of IL-4 was associated with protection against nasal polyps if compared with the C/C allele (relative risk, 0.529; 95% confidence interval, 0.307-0.912; p = 0.028).
Conclusion: T-590, which is dominant at position -590 of the IL-4 promoter, appears to be associated with a protective mechanism against nasal polyps in Korean populations.
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http://dx.doi.org/10.2500/ajr.2006.20.2936 | DOI Listing |
J Patient Rep Outcomes
January 2025
Sanofi US Services, Inc., Bridgewater, NJ, USA.
Background: Chronic rhinosinusitis (inclusive of subtypes with nasal polyps [CRSwNP], without nasal polyps [CRSsNP], and allergic fungal rhinosinusitis [AFRS]) causes inflammation of the nose mucosa and paranasal sinuses. Unfortunately, evidence supporting use of clinical outcome assessments (COAs) in regulated clinical trials to assess key measurement concepts of these conditions is limited.
Objective: To identify key disease-related symptoms and impacts, potential outcomes of interest for new treatments, and COAs available to measure those outcomes among adult and adolescent individuals living with CRSwNP, CRSsNP, and AFRS.
Cureus
January 2025
Department of Otolaryngology, Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, ROU.
Chronic rhinosinusitis with nasal polyps (CRSwNP) is a chronic inflammatory condition of the nasal passages and sinuses, often characterized by nasal congestion, loss of smell, facial pressure, and nasal discharge. Conventional treatments, such as corticosteroids and endoscopic sinus surgery (ESS), often provide only temporary relief, with frequent recurrence of symptoms. For patients with severe, refractory CRSwNP, biologic therapies have emerged as a promising treatment option.
View Article and Find Full Text PDFZhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
January 2025
Department of Otolaryngology Head and Neck Surgery, Beijing TongRen Hospital, Capital Medical University, Beijing100730, China Beijing Key Laboratory of Nasal Diseases, Beijing Institute of Otolaryngology, Beijing100005, China.
Ann Allergy Asthma Immunol
January 2025
Beckman Laser Institute & Medical Clinic, University of California, Irvine, CA 92612, USA; Department of Otolaryngology - Head and Neck Surgery, University of California - Irvine, School of Medicine, Orange, CA 92868, USA; Department of Biomedical Engineering, University of California - Irvine, Irvine, CA 92697, USA. Electronic address:
Background: Chronic rhinosinusitis (CRS) is traditionally classified into CRS with or without nasal polyps and more recently into eosinophilic and non-eosinophilic endotypes. Limited research exists on the relationship between CRS subtype and mucociliary function. This study compares ciliary beat frequency (CBF) across CRS subtypes.
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