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Glutathione Component of Antioxidant Status in Menopausal Women with Insomnia
N V Semenova1, I M Madaeva2, A S Brichagina2
1Scientific Center for Family Health and Human Reproduction Problems, Irkutsk, Russia. natkor_84@mail.ru.
Abstract:
The study involved 138 women aged 45-60 years in perimenopause (n=55) and postmenopause (n=83) with insomnia (main groups) and without it (control). The levels of reduced (GSH) and oxidized (GSSG) glutathione and glutathione peroxidase activity were determined in erythrocytes; activities of glutathione S-transferase and glutathione reductase were measured in blood serum. The differences with the control groups were found only in perimenopause: higher glutathione reductase activity and reduced GSSG level and GSH/GSSG ratio in women with insomnia (p<0.05). The results of the comparative analysis between the main groups showed lower glutathione reductase activity, increased GSSG level, and a decrease the GSH/GSSG ratio in the postmenopausal period compared with the perimenopause (p<0.05). These results can be used in choosing the tactics for complex therapy of insomnia in menopausal women to correct free radical homeostasis and prevention of oxidative stress.
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