Abstract
Fluoride exposure to rats can alter system physiology and biochemistry and results in abnormal organ function. Mitochondria, the power house of the cell can be act as a marker to identify fluoride mediated oxidative damage through changes of mitochondrial micro viscosity. Male albino rats were fed with 5 ppm, 10 ppm, 15ppm and 20 ppm sodium fluoridated water to create different modes of fluoride toxicity in rats to observe the fluoride deposition level upon exposure, mitochondrial micro viscosity changes and organ histology alteration compared to control. The fluoridated rats showed continuous increase in deposition level in liver, kidney, brain and testis. 20 ppm NaF exposure showed significant (P<0.001) decrease in mitochondrial membrane viscosity leading to alteration of energy production system. Necrotic haemolytic damages and presence of inflammatory cells were observed upon NaF exposure in rat liver and kidney tissues respectively. Similarly neuronal and spermatogonial degenerations were observed in rats brain and testicular cells exposed to fluoride intoxication. All these above result describe the adverse effect of groundwater contaminants fluoride be an environmental threat to animal kingdom.
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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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Challenges of fluoride pollution in environment: Mechanisms and pathological significance of toxicity – A review.
Highlights Fluoride exposure induces mitochondrial function dysfunction. Fluoride exposure mediates organs injury involved in apoptosis and autophagy. Fluoride exposure induces inflammatory reaction. Fluoride exposure results changes in intestinal microbial abundance. Fluoride is an important trace element in the living body. A suitable amount of fluoride has a beneficial effect on
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Evaluation of the toxicity of fluorine in Antarctic krill on soft tissues of Wistar rats
Antarctic krill are a potential food source for humans and animals, but krill are known to contain high levels of fluorine (F). In this study, we investigated the toxicity of F in Antarctic krill using Wistar rats. There were three experimental groups: The control group were fed a basal diet,
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Fluoride in Drinking Water: A Scientific Review of EPA’s Standards.
Excerpts: Summary Under the Safe Drinking Water Act, the U.S. Environmental Protection Agency (EPA) is required to establish exposure standards for contaminants in public drinking-water systems that might cause any adverse effects on human health. These standards include the maximum contaminant level goal (MCLG), the maximum contaminant level (MCL), and the secondary
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Protective effects of vitamin C against fluoride toxicity.
Fluorine is a highly toxic substance that is widely distributed with drinking water and nutrients. While fluorine is not free in nature, it can form compounds with almost all metals and nonmetals except oxygen and inert gases. Fluorine is found in the environment in water, soil, air, nutrients, and vegetation
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NRC (2006): Fluoride's Neurotoxicity and Neurobehavioral Effects
The NRC's analysis on fluoride and the brain.
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Fluoride & IQ: 74 Studies
• As of May 2022, a total of 83 human studies have investigated the relationship between fluoride and human intelligence. • Of these investigations, 74 studies have reported that elevated fluoride exposure is associated with reduced IQ in humans. • The studies which reported an association of reduced IQ with exposure to
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Fluoride Affects Learning & Memory in Animals
An association between elevated fluoride exposure and reduced intelligence has now been observed in 65 IQ studies. Although a link between fluoride and intelligence might initially seem surprising or random, it is actually consistent with a large body of animal research. This animal research includes the following 45 studies (out
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Fluoride: Developmental Neurotoxicity.
Developmental Neurotoxicity There has been a tremendous amount of research done on the association of exposure to fluoride with developmental neurotoxicity. There are over 60 studies reporting reduced IQ in children and several on the impaired learning/memory in animals. And there are studies which link fluoride to Attention Deficit Hyperactivity Disorder. Teaching
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Fluoride's Effect on Fetal Brain
The human placenta does not prevent the passage of fluoride from a pregnant mother's bloodstream to the fetus. As a result, a fetus can be harmed by fluoride ingested pregnancy. Based on research from China, the fetal brain is one of the organs susceptible to fluoride poisoning. As highlighted by the excerpts
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