Abstract
Daily dosages of 5 and 10 mg NaF/kg bw were administered orally to male rats (15 per group) for 60 days to evaluate the effect on the testis in relation to oxidative stress. A significant decrease in body and organ weights occurred compared to controls. Alterations in the antioxidant indices in the testis were confirmed by increased lipid peroxidation (LPO) along with decrements in antioxidant parameters such as glutathione peroxidase (GPx), glutathione (GSH), total ascorbic acid (TAA), glutathione-S-transferase (GST), glutathione reductase (GR), superoxide dismutase (SOD), and catalase (CAT) levels affecting testis function as indicated by histopathological study. Supplementation of the NaF-treated rats by the antioxidant melatonin (10 mg/kg bw) revealed a significant protection to the gonadal function, thus indicating a mitigating effect by melatonin against NaF- induced testis toxicity and oxidative stress in a rat model.
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[Study on antagonistic effects of selenite on fluoride-induced impairments of testis and epididymis in rats].
Objective: To study the mechanisms of the antagonistic action of selenite on fluoride-induced male reproductive damages, and find out the optimal level of selenite in drinking water against fluoride toxicity. Methods: Five groups of SD male rats were provided with deionized drinking water containing 0 and 150 mg/L NaF, and
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Toxic effects of sodium fluoride on reproductive function in male mice
To investigate the effects and possible mechanisms of the action of fluoride on testis cell cycle and cell apoptosis in male mice, sexually mature male Kunming mice were exposed to 50, 100, 200, and 300 mg NaF/L in their drinking water for 8 weeks. At the end of the exposure
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Protective effects of blackberry and quercetin on sodium fluoride-induced oxidative stress and histological changes in the hepatic, renal, testis and brain tissue of male rat
BACKGROUND: Sodium fluoride (NaF) intoxication is associated with oxidative stress and altered antioxidant defense mechanism. The present study was carried out to evaluate the potential protective role of blackberry and quercetin (Q) against NaF-induced oxidative stress and histological changes in liver, kidney, testis and brain tissues of rats. METHODS: The rats
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Effects of sodium fluoride and sulfur dioxide on oxidative stress and antioxidant defenses in rat testes
To assess effects of sodium fluoride and sulfur dioxide on oxidative stress and antioxidant defenses in the testes, 96 sexually mature male Wistar rats were divided randomly into four groups of twenty-four rats each. One group of rats was left untreated as controls, and the other three groups were administered,
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[The protective effects of a-lipoic acid on fluoride-induced reproductive lesion in rats via oxidative stress-mediated endoplasmic reticulum stress]
Objective: To determine the oxidative stress and endoplasmic reticulum stress and their changes after a-lipoic acid (a-LA) intervention, and to explore the effect and mechanism of fluoride-induced reproductive lesion. Methods: A total of 40 male Sprague-Dawley (SD) rats were randomly divided into four groups, control group(0.9% sodium chloride), a-LA group(100 mg/kg
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Nutrient Deficiencies Enhance Fluoride Toxicity
It has been known since the 1930s that poor nutrition enhances the toxicity of fluoride. As discussed below, nutrient deficiencies have been specifically linked to increased susceptibility to fluoride-induced tooth damage (dental fluorosis), bone damage (osteomalacia), neurotoxicity (reduced intelligence), and mutagenicity. The nutrients of primary importance appear to be calcium,
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Fluoride's Effect on Male Reproductive System - Human Studies
Consistent with in vitro and animal research, studies of human populations have reported associations between fluoride exposure and damage to the male reproductive system. Most notably, a scientist at the Food & Drug Administration reported in 1994 that populations in the United States with more than 3 ppm fluoride in their water had lower "total fertility rates" than populations with lower fluoride levels.
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Fluoride & Oxidative Stress
A vast body of research demonstrates that fluoride exposure increases oxidative stress. Based on this research, it is believed that fluoride-induced oxidative stress is a key mechanism underlying the various toxic effects associated with fluoride exposure. It is also well established that fluoride's toxic effects can be ameliorated by exposure
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Fluoride's Effect on Male Reproductive System: Animal Studies
Over 60 studies on animals (including rats, mice, roosters, and rabbits) have found that fluoride adversely impacts the male reproductive system. These studies have repeatedly found the following effects: (1) decreases in testosterone levels; (2) reduced sperm motility; (3) altered sperm morphology; (4) reduced sperm quantity; (5) increased oxidative stress; (6) and reduced capacity to breed.
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Fluoride content in tea and its relationship with tea quality.
J Agric Food Chem. 2004 Jul 14;52(14):4472-6. Fluoride content in tea and its relationship with tea quality. Lu Y, Guo WF, Yang XQ. Department of Tea Science, Zhejiang University, 268 Kaixuan Road, Hangzhou 310027, People's Republic of China. Abstract: The tea plant is known as a fluorine accumulator. Fluoride (F) content in fresh leaves collected
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