Abstract
Female rats were treated with fluoride for 100 days (between 21 and 121 days of age) replacing the water supply with a 5 mM NaF solution. Bone mass was assessed by destructive physical and chemical measurements on the whole skeleton, that gave an overall view not reported previously. Bone mass (dry, fat-free weight of the skeleton/100 g of body weight) increased 7% (P less than 0.001) with respect to control animals. This phenomenon was equally evident in the head, the axial and the appendicular skeleton. Fluoride treatment did not affect the ratio ashes/organic matrix. Treated animals showed a subtle disturbance of glucose tolerance as shown by glucose tolerance tests. The disturbance was manifest as high plasma and soft tissue levels of fluoride during the period of bone mass increase. Glucose tolerance was normalized when the maximum bone mass was achieved and plasma and soft tissue fluoride returned to control levels.
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[Changes in bone mass and in glucose homeostasis in subjects with high spontaneous fluoride intake]
This paper reports metabolic data of 24 women and two men, 44-66 years old, ex-residents in an area of endemic fluorosis close to Bahía Blanca city. Fasting fluoremias of these subjects (0.5 to 9.2 microM) and daily urinary fluoride excretion (> 60 mumoles/day) are characteristics of zones with endemic fluorosis.
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Effect of sodium fluoride on bone biomechanical and histomorphometric parameters and on insulin signaling and insulin sensitivity in ovariectomized rats
Osteoporosis is a systemic disease characterized by bone degradation and decreased bone mass that promotes increased bone fragility and eventual fracture risk. Studies have investigated the use of sodium fluoride (NaF) for the treatment of osteoporosis. However, fluoride can alter glucose homeostasis. The aim of this study was to evaluate
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Effect of fluoridated water on plasma insulin levels and glucose homeostasis in rats with renal deficiency.
Glucose intolerance in fluorosis areas and when fluoride is administered for the treatment of osteoporosis has been reported. Controlled fluoridation of drinking water is regarded as a safe and effective measure to control dental caries. However, the effect on glucose homeostasis was not studied so far. The aim of this
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Antihyperglycemic and antihyperlipemic effects of Mangifera Indica L. in fluoride induced toxicity.
A chronic intake of fluoride through food and drinking water is also known to cause hyperglycemia and dyslipidemia besides fluorosis. The present study deals with the effects of fluoride (100 ppm) induced hyperglycemia and dyslipidemia and the alleviatory potential of Mangifera indica L. on the carbohydrate and lipid profiles in
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Ameliorative effect of tamarind leaf on fluoride-induced metabolic alterations
OBJECTIVES: Fluoride is a serious health hazard across several nations, and chronic intake of fluoride deranges the carbohydrate, lipid and antioxidant metabolism in general. As there are limited remedial measures to prevent fluorosis, we investigated the role of tamarind leaf as a food supplement in restoration of carbohydrate, lipid and
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Fluoride & Insulin
Insulin is a hormone produced by the pancreas that is responsible for maintaining appropriate levels of glucose in the blood. Insulin allows the body’s cells to take up glucose from the blood, and either use it as an energy source or store it as glycogen. Blood glucose levels in diabetics
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Fluoride Sensitivity Among Diabetics
This section on Diabetes includes: • Fluoride & Impaired Glucose Tolerance • Fluoride & Insulin • Fluoride Sensitivity Among Diabetics • Fluoridated Water Causes Severe Dental Fluorosis in Children with Diabetes Insipidus • NRC (2006): Fluoride’s Effect on Glucose Metabolism “The present study showed that aortae and mesenteric arteries from streptozotocin-induced diabetic rats exhibited greater contractions
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Fluoride & Impaired Glucose Tolerance
The proper regulation of blood glucose levels is essential to good health. When the body's ability to regulate blood glucose levels falters, as occurs in diabetes mellitus, chronic elevated glucose levels (hyperglycemia) can lead to serious complications. These consequences include damage to the kidneys, nervous system, cardiovascular system, retina, legs
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NRC (2006): Fluoride's Effect on Glucose Metabolism
This section on Diabetes includes: • Fluoride & Impaired Glucose Tolerance • Fluoride & Insulin • Fluoride Sensitivity Among Diabetics • Fluoridated Water Causes Severe Dental Fluorosis in Children with Diabetes Insipidus • NRC (2006): Fluoride’s Effect on Glucose Metabolism The following discussion is from pages 258-260 of the NRC’s report’s “Fluoride in Drinking Water: A Scientific
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Fluoridated Water Causes Severe Dental Fluorosis in Children with Diabetes Insipidus
This section on Diabetes includes: • Fluoride & Impaired Glucose Tolerance • Fluoride & Insulin • Fluoride Sensitivity Among Diabetics • Fluoridated Water Causes Severe Dental Fluorosis in Children with Diabetes Insipidus • NRC (2006): Fluoride’s Effect on Glucose Metabolism Excessive exposure to fluoride causes a defect of the tooth enamel known as dental fluorosis. In
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