THE TUMOR NECROSIS FACTOR-A -308 G/A POLYMORPHISM AND THE TUMOR NECROSIS FACTOR-RELATED APOPTOSIS-INDUCING LIGAND POLYMORPHISMS, IN ASTHMATIC PATIENTS AND HEALTHY SUBJECTS

摘要

Asthma is a chronic inflammatory disorder of the airways in which many cells and cellular elements play a role. Like other atopic diseases, asthma is a complex disorder caused by interactions between multiple genes of small to modest effect and equally important environmental factors. The aim of this study was to determine the TNF- alpha -308 G/A polymorphism and the TRAIL polymorphisms, and their influence on asthma in asthmatic patients and healthy subjects. The study population consists of 51 asthmatic patients (47 female and 4 male) and 72 healthy subjects (62 female and 10 male). The mean age of the asthmatic patients and healthy controls were 45.33 plus or minus 14.05, and 41.88 plus or minus 17.41 years, respectively. The asthmatic patients and healthy controls were similar with respect to their ages and sex characters. There was statistically a significant difference between the asthmatic patients and control groups in terms of TRAIL Arg141His, G422A (rs6557634) polymorphism (p=0.02). Statistically, there was not any significant difference between the asthmatic patients and control groups for TRAIL Thr209Arg, C626G (rs20575) TRAIL Glu228Ala, A683C (rs20576) and polymorphisms (p=0.57). Also, there was no significant difference between the asthmatic patients and control groups in terms of TNF- alpha -308 G/A polymorphism (p=0.90). In our study, the TRAIL Arg141His G422A (rs6557634) polymorphism was detected for the first time in asthmatic patients, which may influence the susceptibility to the asthma.