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Results for “FLUORIDE POISONING”

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Testicular proteins and DNA in experimental fluorosis.

Experimental fluorosis was induced in young male albino rabbits by exposing them to 0, 5, 10, 20 and 50 mg of NaF via subcutaneous injections for a period of 3-1/2 months. The testicular structural, nuclear and total proteins were significantly depleted in all test groups of animals as compared to the control. There was a significant (p < 0.001) reduction in the testicular DNA after drug administration. The relevance of these results in experimental fluorosis has been discussed.

Animals↗

[Experimental study of antagonizing effect of calcium and magnesium against fluoride toxicity in collagen].

SD rats were given fluoride 20 mg/kg for 14 days through a gastrointestinal tube, body weight growth depressed obviously, the ratio of the Liver and Kidney weight to body weight increased significantly, hemoglobin concentration dropped and morphology and metabolism of collagen all became abnormal. All these effects can be antagonised by giving calcium (100 mg/kg), magnesium (100 mg/kg) or calcium and magnesium combined (50 mg/kg each). When Ca and Mg is given combined, the antagonizing effect is even better.

Animals↗

Fluorosis-induced hyperparathyroidism mimicking a giant-cell tumour of the femur.

We report the case of a young woman who, over a period of five years was diagnosed and treated for a giant-cell tumour of bone, osteomalacia and fluorosis. A review of the literature revealed a correlation between these three diagnoses, the primary pathology being fluorosis and the remaining symptoms being secondary manifestations. It is important to be aware of this association, especially in regions with endemic skeletal fluorosis.

Adult↗

Erythrocyte glutathione metabolism in human chronic fluoride toxicity.

Chronic exposure of humans to toxic levels of fluoride in drinking water resulted in significant increase in blood GSH content with significant increase in the activities of erythrocyte glutathione metabolising enzymes viz., gamma-glutamylcysteine synthetase (E.C. 6.3.2.2), gamma-glutamyltranspeptidase (E.C. 2.3.2.2), GST (E.C. 2.5.1.18), GSH-Px (E.C. 1.11.1.9) and GR (E.C. 1.6.4.2). The data suggested a form of adaptation on the part of the erythrocytes to counteract the oxidative stress in red blood cells of fluorotic patients.

Adult↗