The Role of Oxidative Stress in the Clinical Manifestations of Childhood Asthma
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Introduction: The significance of oxidative stress in pathogenesis of childhood asthma was recognized, but its role in the clinical manifestations of disease is still unclear. Materials and Methods: The study was conducted in 96 asthmatic children. The urinary biomarker of oxidative stress, 8-oxo-7,8-dihydro-2-deoxyguanosine (8-oxodG/creatinine) was determined by using HPLC-MS/MS. ELISA was performed to measure myeloperoxidase (MPO) and Cu,Zn-superoxide dismutase (Cu, Zn-SOD) in serum. Results: Logistic regression analysis revealed that female gender, tobacco smoke exposure, and increased 8-oxodG/creatinine were associated with risk for intermittent asthma, while the positive allergy test and increased Cu, Zn-SOD were associated with eczema in asthmatic children. Higher MPO (p = 0.033), and percent of granulocytes (p = 0.030) were found in severe persistent asthma in comparison to intermittent or mild persistent asthma. Conclusion: The main findings that TSE-induced oxidative stress is... a risk for intermittent asthma and eczema may be clinically significant for the disease prevention and therapeutic improvements.
Source:Fetal and Pediatric Pathology, 2017, 36, 4, 294-303
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