Изменения в системе липопероксидации при базовой терапии экзогенно- конституционального ожирения у подростков разного пола

Abstract

Objective. To reveal changes in lipid peroxidation parameters and antioxidant protection components against the background of standard non-pharmacological therapy for exogenous constitutional obesity in adolescents of different sex. Patients and methods. Forty-six adolescents aged 12–17 years with obesity were examined before and after non-pharmacological therapy. The control group included 36 healthy adolescents. We analyzed the composition of lipid peroxidation products – conjugated dienes (CD), ketodienes and conjugated trienes (KD and CT), TBA-active products and activity of antioxidant protection factors: total antioxidant activity (AOA), levels of α-tocopherol, retinol, reduced and oxidized glutathione (GSH, GSSG), their ratio (GSH/GSSG ratio), superoxide dismutase (SOD) activity. Spectrophotometric and fluorometric methods were used. Results. Male adolescents with obesity had lower values of primary lipid peroxidation products compared to the control group – CD (1.35-fold, p = 0,001) and antioxidant protection factors: total AOA (1.16-fold, p = 0,036) and SOD activity (1.49-fold, p < 0.0001), whereas secondary products – KD and CT were elevated (1.42-fold, p = 0,046). Standard therapy in male adolescents did not lead to normalization of the studied parameters. Significantly lower were the values of total AOA (1.4-fold, p = 0.0001), SOD activity (1.42-fold, p < 0.0001) and α-tocopherol (1.33-fold, p = 0.012) in female adolescents with exogenous constitutional obesity compared to the control group. After standard therapy, there was an increase in GSSG levels (1.14-fold, p = 0.029). Conclusion. The presence of negative changes in the pro- and antioxidant status in adolescents with obesity, which was not normalized after a course of standard therapy, was shown. Additional pharmacological correction by prescription of antioxidant drugs becomes relevant. Key words: antioxidant protection, standard therapy, oxidative stress, adolescents, exogenous constitutional obesity