Clinical aspects of selenium metabolism

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Abstract
Whereas defined selenium deficiency diseases are well characterized in animals, analogous syndromes in humans are unknown or occur only rarely under conditions of extreme selenium depletion. However, selenium deficiency has since been recognized to play important secondary roles in a variety of human diseases, and several of these can be prevented or treated by means of selenium supplementation. In clinical practice, the selenium status of patients should be monitored routinely, and corrective measures should be instituted to replete the Se body stores of patients where necessary. Interactions of Se with other elements are also of potentially great clinical significance. The importance of such interactions is exemplified by the effects of cadmium on selenium metabolism in spontaneously hypertensive rats.