Dynamics of the content of reactive oxygen species and the state of the glutathione system in the oral cavity during subchronic intoxication wuth the fungicide thiram and its antioxidant correction
Thiram is a dithiocarbamate derivative, which is used as a fungicide for seed dressing and spraying during the vegetation period of plants, and also as an active vulcanization accelerator in the production of rubber-based rubber products. In this study the content of reactive oxygen species (ROS) and the state of the glutathione system have been investigated in the oral fluid and gum tissues of adult male Wistar rats treated with thiram for 28 days during its administration with food at a dose of 1/50 LD50. Thiram induced formation of ROS in the oral cavity; this was accompanied by an imbalance in the ratio of reduced and oxidized forms of glutathione due to a decrease in glutathione and an increase in its oxidized form as compared to the control. Thiram administration caused an increase in the activity of glutathione-dependent enzymes (glutathione peroxidase, glutathione transferase, and glutathione reductase). However, the time-course of enzyme activation in the gum tissues and oral fluid varied in dependence on the time of exposure to thiram. In the oral fluid of thiram-treated rats changes in the antioxidant glutathione system appeared earlier. The standard diet did not allow the glutathione pool to be fully restored to physiological levels after cessation of thiram intake. The use of exogenous antioxidants resveratrol and an Echinacea purpurea extract led to the restoration of redox homeostasis in the oral cavity.
Korolev V.A., Felker E.V., Yachmeneva L.A., Babkina L.A., Azarova Y.A., Churilin M.I., Milova A.I. (2024) Dynamics of the content of reactive oxygen species and the state of the glutathione system in the oral cavity during subchronic intoxication wuth the fungicide thiram and its antioxidant correction. Biomeditsinskaya Khimiya, 70(2), 73-82.
Korolev V.A. et al. Dynamics of the content of reactive oxygen species and the state of the glutathione system in the oral cavity during subchronic intoxication wuth the fungicide thiram and its antioxidant correction // Biomeditsinskaya Khimiya. - 2024. - V. 70. -N 2. - P. 73-82.
Korolev V.A. et al., "Dynamics of the content of reactive oxygen species and the state of the glutathione system in the oral cavity during subchronic intoxication wuth the fungicide thiram and its antioxidant correction." Biomeditsinskaya Khimiya 70.2 (2024): 73-82.
Korolev, V. A., Felker, E. V., Yachmeneva, L. A., Babkina, L. A., Azarova, Y. A., Churilin, M. I., Milova, A. I. (2024). Dynamics of the content of reactive oxygen species and the state of the glutathione system in the oral cavity during subchronic intoxication wuth the fungicide thiram and its antioxidant correction. Biomeditsinskaya Khimiya, 70(2), 73-82.
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