Background. Despite numerous studies, the pathogenesis of gastroesophageal reflux disease remains unclear.
Aim of research: assessment the activity of antioxidant defense system in young patients with GERD based on expression of biomarker associated with mitochondrial function.
Material and methods. The study included 45 patients with gastroesophageal reflux disease. The examined contingent was presented by students age from 18 to 25 years. 20 healthy persons were included as control group. Levels of manganese superoxide dismutase were determined in blood serum of study persons with enzyme immunoassays (ELISA, Elabscience, USA). Statistical data processing by the Statistica Basic Academic 13 for Windows En local was made.
Results. Gastroesophageal reflux disease in young patients is characterized by significantly increasing of manganese superoxide dismutase as compare to control group (7.1700 ng/ml vs 4.4720 ng/ml respectively, p<0.01). Presence of erosion in esophagus mucous doesn't accompanied by significant changes of evaluated parameter as compare with non-erosion form of disease in patients.
Conclusion. The elevation in young patients with GERD the biomarker of mitohondrial antioxidant defense system we may speculate as adaptive response contributing to non-specific citoprotection. Taking to account the publishing facts about dual role of manganese superoxide dismutase it is necessary to monitoring antioxidant enzyme in patients with gastroesophageal reflux disease for prediction of possible complications and outcome.
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