Abstract

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  • Fluoride-induced oxidative stress and apoptosis are involved in the reducing of oocytes development potential in mice.

    The present study was conducted to investigate the mechanisms of excessive-fluoride-induced reduction of oocyte development potential in mice. The development morphology of oocyte and the changes of pathomorphology in ovary were observed. The protein expression levels of apoptosis factors, including Bax, Bcl-2, casepase-3, casepase-9 and cytochrome c, and the mRNA

  • Mitigating effects of some antidotes on fluoride and arsenic induced free radical toxicity in mice ovary

    The effects of oral administration of sodium fluoride (NaF) and/or arsenic trioxide (As(2)O(3)) (5 mg and 0.5 mg/kg body weight, respectively) for 30 days were investigated on free radical induced toxicity in the mouse ovary. The reversibility of the induced effects after withdrawal of NaF+As(2)O(3) treatment and by administration of

  • Protective effect of melatonin against fluoride-induced oxidative stress in the mouse ovary.

    The protective effect in female mice by intraperitoneal injection of melatonin (10 mg/kg bw/day) against ovarian oxidative stress induced by oral administration of sodium fluoride, NaF (10 mg/kg bw/day), was studied. After 30 days, NaF treatment resulted in a significant reduction in body and ovary weights. Increased production of malondialdehyde

  • Effect of oxidative stress on fluoride-induced apoptosis in primary cultured Sertoli cells of rats

    This study examined the effect of oxidative stress on the apoptosis of Sertoli cells induced by sodium fluoride (NaF). Cell viability, reactive oxygen species, malondialdehyde content, superoxide dismutase activity, mitochondrial membrane potential, and apoptosis were measured after the rat Sertoli cells were exposed to various concentrations of (0, 6, 12,

  • Sodium fluoride induces apoptosis through reactive oxygen species-mediated endoplasmic reticulum stress pathway in Sertoli cells

    Excessive fluoride exposure is known to contribute to reproductive system dysfunction, ultimately leading to pathological damage and apoptosis in cells. Although both oxidative and endoplasmic reticulum (ER) stresses have been implicated in fluorosis, the signaling pathways and their roles in sodium fluoride (NaF)-induced apoptosis of Sertoli cells have been sparsely

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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,

  • 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

  • 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.

  • 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.

  • 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