Abstract
After the establishment of fluorosis animal model, the gene expression of SNAP-25 was detected in order to provide experimental data for nervous system injury induced by fluoride. The results showed that, compared with the de-ionized water group, SNAP-25 mRNA expression was significantly reduced by fluoride.
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Gestational exposure to fluoride impairs cognition in C57 BL/6 J male offspring mice via the p-Creb1-BDNF-TrkB signaling pathway.
Highlights Pregnant mice were exposed to environmentally relevant doses of sodium fluoride from GD1 to GD20. Exposure to sodium fluoride resulted in structural and functional impairments in male offspring mouse hippocampus. The activation of P-Creb1 signaling pathway played a role in sodium fluoride-induced cognitive impairment. We provided new insight
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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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Protective Effect of Curcumin on Hippocampal and Behavior Changes in Rats Exposed to Fluoride During Pre- and Post-natal Period.
Introduction: Curcumin, a yellow-pigment, found in the popular Indian spice turmeric (Curcuma longa), poses pharmaceutical applications due to its anti-inflammatory, antioxidant, and chemoprotective properties. Excessive fluoride causes fluorosis leading to neurodegeneration and associated behavioral deficits, particularly in children. This study aimed at investigating the neuroprotective ability of curcumin on sodium
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[Study of the mechanism of neurone apoptosis in rats from the chronic fluorosis].
Objective: Study the mechanism of action chronic fluorosis in neurones. Methods: Terminal deoxyribo-nucleotide transferase-mediated dUTP-biotin nick end labeling (TUNEL) and flow cytometry (FCM) were used to observe changes of apoptosis in cerebral cells in chronic fluorosis in rats. Results: TUNEL results show non-random expression of DAB positive stain apoptosis cells which appear
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Impaired V-ATPase leads to increased lysosomal pH, results in disrupted lysosomal degradation and autophagic flux blockage, contributes to fluoride-induced developmental neurotoxicity.
Highlights NaF exposure caused developmental neurotoxicity. NaF-induced neuronal apoptosis results from autophagic flux blockage. Raised lysosomal pH disrupting lysosomal degradation caused autophagic flux blockage. V-ATPase is a crucial factor regulating neuronal lysosomal pH. Upregulation of V-ATPase alleviate NaF-induced developmental neurotoxicity. Fluoride is capable of inducing developmental neurotoxicity, yet its mechanisms
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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 78 studies reporting reduced IQ (75 studies with children and 3 studies with adults) and several on the impaired learning/memory in animals. And there are studies which link
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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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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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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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NRC (2006): Fluoride's Neurotoxicity and Neurobehavioral Effects
The NRC's analysis on fluoride and the brain.
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