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  • Title: Dietary wheat gluten alleviates the elevation of serum transaminase activities in D-galactosamine-injected rats.
    Author: Manabe A, Cheng CC, Egashira Y, Ohta T, Sanada H.
    Journal: J Nutr Sci Vitaminol (Tokyo); 1996 Apr; 42(2):121-32. PubMed ID: 8780970.
    Abstract:
    The effects of dietary protein on the elevation of activities of serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) in D-galactosamine-injected rats were investigated. The rats fed with experimental diets containing test protein sources for 2 weeks were injected with D-galactosamine (0.8 g.kg-1 body weight). The activities of AST and ALT in serum were assayed after 20 h. According to the results, these enzyme activities in the rats fed 40% casein diet were higher than those of 5, 10, or 20% casein groups. In the 40% gluten group, these enzyme activities were lower than in the 40% casein group. This difference was not considered to be caused by the deficit of L-lysine and L-threonine in gluten. The extent of the reduction of UTP and UDP-glucose in liver by D-galactosamine was almost the same in the 40% gluten and 40% casein groups. These results suggest that levels and quality of dietary protein affect the susceptibility of animals to the hepatotoxin D-galactosamine and dietary gluten was found to alleviate the elevation of serum transaminases in rats by the drug.
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