Changes in eotaxin-2 and periostin levels in patients with bronchial asthma according to their smoking status: a cross-sectional study

IF 0.2 Q4 RESPIRATORY SYSTEM
Mohammed Abdelghany, A. El-Karn, M. Sherif, M. Seddik, S. Eid, S. Youssif
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引用次数: 0

Abstract

Background Smoking influences the nature of airway inflammation in patients with bronchial asthma though synthesis of certain cytokines. Patterns of bronchial asthma are differentiated clinically, functionally, and regarding inflammatory biomarkers. Aim The research aimed to study the clinical, functional, sputum cytological differences, and serum eotaxin-2 and periostin levels in asthmatic patients regarding smoking status. Patients and methods The research was a cross-sectional study. The collection of cases began in August 2018 and ended in January 2020 at the Chest Department, Assiut University Hospital. We studied 117 asthmatic patients who were classified regarding their smoking status (45 nonsmokers, 42 smokers, and 30 former smokers) for serum eotaxin-2 and periostin by enzyme-linked immunosorbent assay. The effects of smoking were analyzed on inflammatory cells including eosinophilic and neutrophilic percentages in sputum and serum eotaxin-2 and periostin levels. Results Smokers with asthma had worse clinical and functional outcomes. Asthmatic smokers had mainly neutrophilic phenotype. Serum eotaxin-2 level was higher in smokers compared with nonsmokers and former smokers. However, serum periostin level was higher in nonsmokers compared with smokers and former smokers. Serum eotaxin-2 had a positive correlation with smoking index and eosinophilic and neutrophilic count in sputum, whereas serum periostin was correlated negatively with smoking index and positively with eosinophilic count. Conclusion Asthmatic smokers had worse clinical and functional outcomes with increased neutrophils in the sputum. The inflammatory biomarkers seen in smokers with asthma showed low serum periostin and increased serum eotaxin-2 levels.
支气管哮喘患者吸烟状况对eotaxin-2和periostin水平的影响:一项横断面研究
背景吸烟通过某些细胞因子的合成影响支气管哮喘患者气道炎症的性质。支气管哮喘的模式在临床、功能和炎症生物标志物方面是有区别的。目的探讨吸烟对哮喘患者临床、功能、痰细胞学及血清eotaxin-2、periostin水平的影响。本研究为横断面研究。病例收集始于2018年8月,于2020年1月在阿西尤特大学医院胸科结束。我们研究了117例吸烟的哮喘患者(45例不吸烟,42例吸烟,30例曾经吸烟),用酶联免疫吸附法检测血清eotaxin-2和骨膜蛋白。分析吸烟对炎性细胞的影响,包括痰中嗜酸性粒细胞和中性粒细胞百分比和血清eotaxin-2和骨膜素水平。结果吸烟者合并哮喘的临床和功能预后较差。哮喘吸烟者以嗜中性粒细胞表型为主。吸烟者血清eotaxin-2水平高于非吸烟者和前吸烟者。然而,不吸烟者的血清骨膜蛋白水平高于吸烟者和前吸烟者。血清eotaxin-2与吸烟指数、痰中嗜酸性粒细胞和中性粒细胞计数呈正相关,而血清periostin与吸烟指数呈负相关,与嗜酸性粒细胞计数呈正相关。结论哮喘吸烟者的临床和功能预后较差,痰中中性粒细胞增高。哮喘吸烟者的炎症生物标志物显示血清骨膜素水平低,血清eotaxin-2水平升高。
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来源期刊
自引率
0.00%
发文量
46
审稿时长
22 weeks
期刊介绍: The journal will cover technical and clinical studies related to health, ethical and social issues in field of The Egyptian Journal of Chest Diseases and Tuberculosis aims to publish and inform readers and all chest physicians of the progress in medical research concerning all aspect of chest diseases. Publications include original articles review articles, editorials, case studies and reports which are relevant to chest diseases. The Journal also aims to highlight recent updates in chest medicine. . Articles with clinical interest and implications will be given preference.
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