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  • Title: Enhanced hepatotoxicity and inhibition of liver endoplasmic reticulum calcium pump by CCl4 in rats fed a thiamine deficient diet.
    Author: Moore L.
    Journal: Life Sci; 1983 Feb 14; 32(7):741-5. PubMed ID: 6298546.
    Abstract:
    Male Sprague-Dawley rats were fed a thiamine deficient diet for three weeks, then treated with a range of CCl4 doses (0.01-1-ml/kg). Rats fed the deficient diet grew more slowly (body weight 65 percent of control) and had elevated liver glutathione (GSH) (220 percent of control). CCl4 hepatotoxicity, assessed by serum glutamicpyruvic transaminase (SGPT) activity and histological examination 24 hours after the hepatotoxin, was augmented in the group fed the thiamine deficient diet. Likewise, CCl4 inhibition of liver endoplasmic reticulum (ER) function (glucose-6-phosphatase (G6Pase) and calcium pump activities one hour after CCl4) was enhanced in rats fed the deficient diet. These results suggest that thiamine deficiency enhances CCl4 damage to membranes of the ER and enhances CCl4 hepatotoxicity.
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