Daily rhythm of glutathione peroxidase activity, lipid peroxidation and glutathione levels in tissues of pinealectomized rats
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Effect of endurance training on diurnal rhythms of superoxide dismutase activity, glutathione and lipid peroxidation in plasma of pinealectomized rats
2020, Neuroscience LettersCitation Excerpt :Lipid peroxidation and the activity of antioxidant enzymes SOD and GSH-Px were higher during the dark period and low during the light period but with significantly diminished amplitudes compared to controls in different tissues in rats with pinealectomy [13] suggesting that the endogenous melatonin is involved in the regulatory mechanism of antioxidant enzymes. Furthermore, nocturnal light can suppress both the release of melatonin and the antioxidant signaling system [12]. Exercise has a chronotropic activity and can influence the mammalian circadian clock [17].
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