Abstract
Effect of standardized Bacopa monniera (BM; family: Scrophulariaceae) extract (100 and 300 mg/kg) against sodium fluoride (NaF; 100 and 200 ppm)-induced behavioural, biochemical, and neuropathological alterations in mice was evaluated. Akinesia, rotarod (motor coordination), forced swim test (depression), open field test (anxiety), transfer latency (memory), cholinesterase (ChE), and oxidative stress (superoxide dismutase, catalase, glutathione peroxidase, and lipid peroxidation) were determined in mice treated with NaF for 30 days alone and in combination with BM. NaF induced motor incoordination, depression, and memory impairment, and these were prevented by coadministration of BM in mice. However, NaF did not alter the weight gain, feed/water consumption, and anxiety profile. Suppression of ChE levels and increased oxidative stress were observed in mice treated with NaF. Coadministration of BM significantly improved the memory, ChE levels, and antioxidant enzymes but failed to alter the fluoride levels in NaF-treated mice. Histopathological studies revealed that BM protected the neuropathological alterations induced by NaF.
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Protective effect of ascorbic acid and Ginkgo biloba against learning and memory deficits caused by fluoride.
Fluoride is present in the ground water, World Health Organization permitted level of fluoride in the ground water is 0.5 ppm. Tooth pastes, mouth washes, tea and sea fish are the sources of fluoride. Exposure to these multiple sources results in several adverse effects in addition to the fluorosis. The
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Investigation on the role of Spirulina platensis in ameliorating behavioural changes, thyroid dysfunction and oxidative stress in offspring of pregnant rats exposed to fluoride.
Highlights Sodium fluoride exposure from pregnancy to lactation induces thyroid toxicity. This can affect neurodevelopment and induce behavioural changes. Spirulina platensis role in reversing fluoride-induced toxicity was ascertained. Significant protection was exerted by Spirulina The study investigated the role of Spirulina platensis in reversing sodium fluoride-induced thyroid, neurodevelopment and oxidative alterations
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[Effect of lycopene on oxidative stress and neurobehavior in mouse exposed to drinking water fluorosis].
Objective To investigate the relationship between lycopene exposure and neurobehavior and its mechanism in mouse exposed to drinking water fluorosis. Methods Sixty adult mice were randomly divided into six groups (ten animals in each group) : control group, lycopene group, sodium fluoride (NaF) group, NaF + low, medium, high dose lycopene groups.
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Effects of chronic fluorosis on the brain.
Highlights Reviewing the mechanism of brain injury caused by chronic fluorosis is of great significance for protecting residents in fluorosis endemic areas. Abstract This article reviews the effects of chronic fluorosis on the brain and possible mechanisms. We used PubMed, Medline and Cochraine databases to collect data on fluorosis, brain injury,
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Neuroprotective influence of taurine on fluoride-induced biochemical and behavioral deficits in rats.
Highlights Influence of taurine was studied in rat model of fluoride neurotoxicity. Taurine reversed the fluoride-induced neurobehavioural deficits. Taurine decreased intracellular hydrogen peroxide and lipid peroxidation levels. Taurine reversed the fluoride-induced inhibition of acetylcholinesterase activity. Taurine may be a potential therapeutic agent in fluoride-mediated neurotoxicity. Epidemiological and experimental studies have
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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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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: 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 & IQ: 76 Studies
• As of July 18, 2022, a total of 85 human studies have investigated the relationship between fluoride and human intelligence. • Of these investigations, 76 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
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Fluoride Exposure Increases Metabolic Requirement for Magnesium
Fluoride's toxicity is significantly enhanced in the presence of nutritional deficiencies. Similarly, fluoride exposure increases the body's requirement for certain nutrients. An individual with a high intake of fluoride, for example, will need a proportional increase in calcium to avoid the mineralization defects (e.g., osteomalacia) that fluoride causes to bone
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