Association of glutathione-S-transferase P1 genotypes with susceptibility to bronchial asthma in children
Journal Title: Archives of Medical Science - Year 2007, Vol 3, Issue 3
Abstract
Introduction: Asthma is characterized by airway inflammation, a critical component of which is oxidative stress. We describe an association study designed to examine whether allelic variation at the glutathione-S-transferase GSTP1 locus influences expression of asthma. Material and methods: Fifty asthmatic children, thirty-five atopic and fifteen nonatopic, with forty healthy controls were enrolled in the study. All participants were subjected to complete blood count, total serum IgE, skin prick testing and peak expiratory flow rate. Polymerase chain reaction-based assays were performed to determine GSTP1 genotypes among asthmatic and healthy control subjects. We explored whether the GSTP1 substitutions influence susceptibility to asthma and its phenotypes. Results: Among the 90 cases, 43 cases (47.8%) had GSTP1 genotype BB, 39 cases (43.3%) had GSTP1 genotype AA, 6 cases (6.7%) had GSTP1 genotype AB, and 2 cases (2.2%) had GSTP1 genotype AD. We found no significant differences in mean values of total serum IgE and skin test positivity among different genotypes. The PEFR% predicted of the BB genotype was significantly higher than that of both AA and AB genotypes (p
Authors and Affiliations
Sherif M. Abdel-Alim, Manal M. El-Masry, Mona Aziz, Soheir O. El-Bassiony, Azza A. Aly
Keywords
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