Abstract
The CSF fluoride level of individuals drinking water with normal fluoride content and of patients with endemic fluorosis were studied. For the purpose of studying the relationship between the dynamic equilibrium of the CSF fluoride and other body fluids, urine and blood fluoride were examined simultaneously. Fluoride was revealed in every CSF sample of the control group and its mean value was lower than that of the blood. The CSF fluoride concentration of patients with fluorosis was slightly higher than that of the control group, although there was no statistically significant difference. The results suggests that fluoride is a normal component of CSF. In severe cases of fluorosis or breakdown of the blood-brain in some diseases of the central nervous system, the CSF fluoride value might be increased.
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The tissue distribution of fluoride in a fatal case of self-poisoning.
The purpose of this paper is to report a case of fluoride poisoning along with a discussion of poisoning characteristics, analytical procedures, and a review of previous reports of fatal intoxications with analytical data. A case of suicidal ingestion of 40 mL of a rust removal agent containing hydrofluoric acid
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Dehydrogenase activity in the brain of fluoride and aluminium induced wistar rats
Dehydrogenases are cellular enzymes usually used as indicators of changes in cell activity and morphology; this includes metabolic processes such as structural differentiation, cell migration, cellular damage and even cell death; hence, assay of enzymes as Lactate dehydrogenase and Glucose 6 phosphate dehydrogenase could provide evidence for the role of
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Reduction of CAMKII expression in the hippocampus of rats from ingestion of fluoride and/or lead.
Co-existing as environmental pollutants in certain areas of China where lead (Pb) is mined, fluoride (F) and Pb pose serious risks to the human central nervous system (CNS). Calcium/calmodulin-dependent protein kinase II (CaMKII) expression, which is involved in the process of learning and memory, has an important role in CNS
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Effects of sodium fluoride on lipid peroxidation and PARP, XBP-1 expression in PC12 cell
This study aims to clarify the molecular mechanism of fluorine exposure that leads to nerve injury. PC12 cells were treated with fluorine at different concentrations (0.5, 1.0, 1.5, and 2.0 mM). Cytoactivity was detected at different time points (2, 4, 6, 8, 12, 24, and 48 h). After 2 h, DCF was used
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[The establishment and assessment of animal model of chronic fluorosis-induced cognitive dysfunction in rats].
Objective To establish the rat model of cognitive dysfunction induced by chronic fluorosis and to investigate the underlying mechanism. Methods Animal model of chronic fluorosis was established by feeding Wistar rats on distillated water containing different concentrations of sodium fluoride (0, 50, 100, and 150 mg/L) for six months; Y-maze and
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Fluoride's Direct Effects on Brain: Animal Studies
The possibility that fluoride ingestion may impair intelligence and other indices of neurological function is supported by a vast body of animal research, including over 40 studies that have investigated fluoride's effects on brain quality in animals. As discussed by the National Research Council, the studies have consistently demonstrated that fluoride, at widely varying concentrations, is toxic to the brain.
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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: 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 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'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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