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Potential Role of Fluoride in the Etiopathogenesis of Alzheimer’s Disease

1
Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powst. Wlkp. 72, 70-111 Szczecin, Poland
2
Department of Biochemistry and Human Nutrition, Pomeranian Medical University in Szczecin, Broniewskiego 24, 71-460 Szczecin, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2018, 19(12), 3965; https://doi.org/10.3390/ijms19123965
Received: 19 November 2018 / Revised: 6 December 2018 / Accepted: 6 December 2018 / Published: 9 December 2018
(This article belongs to the Special Issue Molecular and Cellular Mechanisms of Neurotoxicity)
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Abstract

The etiopathogenesis of Alzheimer’s disease has not been fully explained. Now, the disease is widely attributed both to genetic and environmental factors. It is believed that only a small percentage of new AD cases result solely from genetic mutations, with most cases attributed to environmental factors or to the interaction of environmental factors with preexistent genetic determinants. Fluoride is widespread in the environment and it easily crosses the blood–brain barrier. In the brain fluoride affects cellular energy metabolism, synthesis of inflammatory factors, neurotransmitter metabolism, microglial activation, and the expression of proteins involved in neuronal maturation. Finally, and of specific importance to its role in Alzheimer’s disease, studies report fluoride-induced apoptosis and inflammation within the central nervous system. This review attempts to elucidate the potential relationship between the effects of fluoride exposure and the pathogenesis of Alzheimer’s disease. We describe the impact of fluoride-induced oxidative stress and inflammation in the pathogenesis of AD and demonstrate a role for apoptosis in disease progression, as well as a mechanism for its initiation by fluoride. The influence of fluoride on processes of AD initiation and progression is complex and warrants further investigation, especially considering growing environmental fluoride pollution. View Full-Text
Keywords: Alzheimer’s disease; fluoride; neuroinflammation; reactive oxygen species; cyclooxygenases; antioxidant enzymes; apoptosis Alzheimer’s disease; fluoride; neuroinflammation; reactive oxygen species; cyclooxygenases; antioxidant enzymes; apoptosis
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Goschorska, M.; Baranowska-Bosiacka, I.; Gutowska, I.; Metryka, E.; Skórka-Majewicz, M.; Chlubek, D. Potential Role of Fluoride in the Etiopathogenesis of Alzheimer’s Disease. Int. J. Mol. Sci. 2018, 19, 3965.

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