Methotrexate is used to treat certain types of cancer of the breast, skin, head and neck, or lung. Methotrexate can cause serious or life-threatening side effects on liver, lungs, kidneys, and immune system. Methotrexate chemotherapy causes testicular damage in humans. The aim of this study was to investigate the possible protective role of erdosteine on testicular toxicity of methotrexate in mice. Twenty-six male mice were divided into four groups as follows: group 1, control; group 2, erdosteine-treated; group 3, methotrexate-treated; and group 4, methotrexate + erdosteine treated. On the first day of experiment, a single dose of methotrexate was intraperitoneally administered to groups 3 and 4, although a daily single dose of erdosteine was orally administered to group 2 and 4 for 7 days. At the end of the experiment, the testes of the animals were removed and weighed. The levels of total antioxidant capacity and total oxidative stress, and myeloperoxidase activity in the methotrexate group were higher than the control group (p<0.05). Lipid peroxidation levels were not changed in methotrexate group compared with control group. In conclusion, erdosteine could effectively protect the testes in methotrexate-induced toxicity.
Prostatitis plays a major role in morbidity and mortality related to prostate diseases. The aim of this study was to detect whether thymoquinone (TQ) could ameliorate oxidative damage and the proliferative response induced by Escherichia coli (E. coli) in rats. A total of 42 adult male Wistar rats were used. The rats were randomly divided into seven groups (three treatment groups, three infected groups and one control group). Control group received saline and was killed 24 h after saline administration. Infected rats were killed after 24, 48 and 72 h following direct injection of E. coli into the prostate. Treatment groups were administered with 10 mg/kg dose of TQ intraperitoneally following E. coli injection and after 24 and 48 h following E. coli injection. The rats were killed at 24, 48 and 72 h after the first drug administration. Each group was compared with each other and with the control group. In addition, infected groups were compared with treatment groups. Our findings show that the treatment with TQ has a protective effect against bacterial prostatitis-induced tissue injury. Increase in malondialdehyde levels and histological damage caused by E. coli were improved markedly with TQ treatment. TQ treatment particularly increased the activity of glutathione peroxidase and decreased the activities of catalase and superoxide dismutase. These observations might be attributed, at least in part, to the antioxidant effect of TQ and suggest that it could be a clinically valuable agent in the prevention of acute prostatitis caused by E. coli.
Formaldehyde is a chemical substance with a pungent odor that is highly soluble in water and occurs naturally in organisms. Formaldehyde, when taken into organisms, is metabolized into formic acid in the liver and erythrocytes and is then excreted, either with the urine and feces or via the respiratory system. Formaldehyde is widely used in the industrial and medical fields, and employees in these sectors are frequently exposed to it. Anatomists and medical students are affected by formaldehyde gas during dissection lessons. Because full protection from formaldehyde is impossible for employees in industrial plants using this chemical and for workers in laboratory conditions, several measures can be implemented to prevent and/or reduce the toxic effects of formaldehyde. In this review, we aimed to identify the toxic effects of formaldehyde on the urinary system.
Ebselen is used as a drug in clinical trials against stroke, reperfusion injury with anti-atherosclerotic and renoprotective effects. The aim of this study is to investigate the protective effect of ebselen, on torsion/detorsion (T/D)-induced biochemical and histopathological changes in experimental testicular ischaemia/reperfusion injury. A total of 28 male Wistar Albino rats were divided into four groups: group 1(sham-operated group, n = 7), group 2(ebselen group, n = 7), group 3(torsion/detorsion + saline, n = 7) and group 4(T/D + 10 mg kg(-1) ebselen group, n = 7). The tissue homogenate samples were used for immediate nitric oxide (NO), malondialdehyde (MDA), superoxide dismutase, catalase and glutathione measurement. Testes in all groups were evaluated for the biochemical assay and histopathological examinations. To evaluate spermatogenesis, Johnsen scoring system was used. Testicular tissue MDA and NO levels in group 3 were significantly higher than in group 1 and 4. In histological evaluation of the testicular tissues, ebselen administration improved tubular histology significantly compared with T/D group. Significant increase in histological score was observed in the testis of group 3 compared with group 1 and 2. Histological score in group 4 significantly decreased compared with group 3. Johnson score was significantly lower in T/D group compared with all other three groups, ebselen administration increased the score significantly compared with T/D group. Ebselen reduced oxidative biochemical and histopathological damage in our testicular T/D rat model.
CsA causes renal injury and CAPE prevents CAT- and lipid peroxidation-mediated nephrotoxicity via inhibition of oxidative process.
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