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Beneficial effects of folic acid on the kidneys and testes of adult albino rats after exposure to methomyl.

ABSTRACT: The aim of this study was to evaluate the protective effect of folate against methomyl-induced toxicity on the kidneys and testes of male rats. Adult male albino rats were divided into four groups; Group I served as the control (vehicle), Group II received folic acid (1.1 mg per kg b.wt.), Group III methomyl (1 mg per kg b.wt.) and Group IV folic acid and methomyl. Treatments were administered via oral gavage on a daily basis for 14 weeks. Thereafter blood samples were collected and serum creatinine, testosterone and total antioxidant capacity (TAC) were determined. Animals were sacrificed and semen analysis was conducted. The kidneys and testes were excised and malondialdehyde (MDA) levels were determined. Histopathological and immunohistochemical analyses for caspase-3 were also undertaken. Methomyl treatment resulted in a significant (p < 0.001) elevation of creatinine and MDA levels and significant (p < 0.001) reduction in testosterone and TAC levels. Furthermore, methomyl caused a significant (p < 0.001) reduction in sperm quality. Histopathological examination indicated testicular and renal damage with strong immunoreactivity for caspase-3. Functional and tissue damage was prevented in rats treated with a combination of methomyl and folic acid. This is ascribed to the ability of folate to directly scavenge reactive oxygen species and indirectly enhance cellular redox homeostasis. This study identified that folic acid supplementation may have a beneficial effect in preventing or reducing the deleterious effects of methomyl exposure on kidney as well as testis structure and function. Future studies should focus on the fertility outcome/pregnancy index in rats.

SUBMITTER: Sakr S

PROVIDER: S-EPMC6062218 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Beneficial effects of folic acid on the kidneys and testes of adult albino rats after exposure to methomyl.

Sakr Samar S Hassanien Hanan H Bester Megan Jean MJ Arbi Sandra S Sobhy Azza A El Negris Heba H Steenkamp Vanessa V

Toxicology research 20180315 3

The aim of this study was to evaluate the protective effect of folate against methomyl-induced toxicity on the kidneys and testes of male rats. Adult male albino rats were divided into four groups; Group I served as the control (vehicle), Group II received folic acid (1.1 mg per kg b.wt.), Group III methomyl (1 mg per kg b.wt.) and Group IV folic acid and methomyl. Treatments were administered <i>via</i> oral gavage on a daily basis for 14 weeks. Thereafter blood samples were collected and serum ...[more]

PMID: 30090598

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Project description:BackgroundIn previous studies, maternal exposure to folic acid antagonists was associated with increased risks of neural tube defects, cardiovascular defects, oral clefts and urinary tract defects. The objective of the current study was to assess the possible effects of using folic acid antagonists in pregnancy on placenta-mediated adverse outcomes of pregnancy.MethodsWe used data from an administrative database to retrospectively compare the occurrence of placenta-mediated adverse pregnancy outcomes between pregnant women exposed to folic acid antagonists and women without exposure to these agents.ResultsWe included in the analysis a total of 14 982 women who had been exposed to folic acid antagonists and 59 825 women who had not been exposed. Sulfamethoxazole-trimethoprim was the most frequently prescribed dihydrofolate reductase inhibitor (a total of 12 546 exposures during the preconception period and all 3 trimesters), and phenobarbital was the most frequently prescribed among the other folic acid antagonists (a total of 1565 exposures). The risks of preeclampsia (adjusted odds ratio [OR] 1.52, 95% confidence interval [CI] 1.39-1.66), severe preeclampsia (OR 1.77, 95% CI 1.38-2.28), placental abruption (OR 1.32, 95% CI 1.12-1.57), fetal growth restriction defined as less than the 10th percentile (OR 1.07, 95% CI 1.01-1.13), fetal growth restriction defined as less than the 3rd percentile (OR 1.22, 95% CI 1.11-1.34) and fetal death (OR 1.35, 95% CI 1.07-1.70) were greater among mothers with exposure to folic acid antagonists. In general, the risks associated with exposure to other folic acid antagonists were higher than those associated with exposure to dihydrofolate reductase inhibitors. Supplementary analyses involving tight matching with propensity score, restriction of the analysis to women with exposure during the first and second trimesters and restriction of the analysis to specific categories of folic acid antagonists yielded similar results.InterpretationMaternal exposure to folic acid antagonists appears to increase the risk of placenta-mediated adverse outcomes of pregnancy.

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Beneficial effects of folic acid on the kidneys and testes of adult albino rats after exposure to methomyl.

Publications

Beneficial effects of folic acid on the kidneys and testes of adult albino rats after exposure to methomyl.

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