Effect of sodium arsenite dose administered in the drinking water on the urinary bladder epithelium of female arsenic (+3 oxidation state) methyltransferase knockout mice.

Abstract excerpt

The enzyme arsenic (+3 oxidation state) methyltransferase (As3mt) catalyzes reactions converting inorganic arsenic to methylated metabolites, some of which are highly cytotoxic. In a previous study, female As3mt knockout (KO) mice treated with diet containing 100 or 150 ppm arsenic as arsenite showed systemic toxicity and significant effects on the urothelium. In the present study, we showed that the cytotoxic...

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