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  • Title: Decreased hepatic selenium content in alcoholic cirrhosis.
    Author: Dworkin BM, Rosenthal WS, Stahl RE, Panesar NK.
    Journal: Dig Dis Sci; 1988 Oct; 33(10):1213-7. PubMed ID: 3168692.
    Abstract:
    Selenium deficiency has been implicated as contributing to hepatic injury in alcoholics. The mechanism by which this occurs is most likely lipoperoxidation secondary to decreased activity of the selenoenzyme glutathione peroxidase. To further assess this relationship, we measured selenium content in autopsy livers in 12 patients with alcoholic cirrhosis compared to 13 patients matched for age and sex dying from other causes, mostly with cardiopulmonary diseases. The mean (+/- SEM) hepatic selenium content in cirrhosis was 0.731 +/- 0.077 microgram/g dry weight versus 1.309 +/- 0.166 microgram/g in controls (P less than 0.005; Student's t test). Clinical and biochemical indices of significant hepatic dysfunction, including encephalopathy, ascites, and elevations of serum bilirubin or prothrombin time, were only present in the cirrhotic group. A significant inverse correlation between hepatic selenium content and the prothrombin time was noted (r = -0.50; P less than 0.02). No significant relationships between hepatic selenium and the abnormalities of bilirubin, albumin, or aspartate aminotransferase were found. We conclude that significantly decreased hepatic selenium stores are present in patients with severe alcoholic cirrhosis compared to controls. The magnitude of that selenium deficit does correlate with some indices of hepatic function, specifically the prothrombin time. These data lend further support to a true selenium deficiency state in alcoholic cirrhosis. It is highly possible that selenium deficiency represents an important link, synergistically joining the nutritional and hepatotoxic backgrounds of alcoholic liver injury and cirrhosis.
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