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  • Title: [Relation of hepatic protein synthesis and hepatic functional mass in obstructive jaundiced rats].
    Author: Kanno Y, Miyazaki M, Udagawa I, Koshikawa H, Ito H, Teramoto O, Okui K.
    Journal: Nihon Geka Gakkai Zasshi; 1991 Feb; 92(2):160-6. PubMed ID: 2038290.
    Abstract:
    In obstructive jaundiced rat, the change of hepatic functional mass assessed by [14C]-aminopyrine breath test (ABT) and galactose tolerance test (GaTT) and hepatic protein synthesis measured by [14C]-leucine incorporation into hepatic protein fraction were investigated. Bile duct ligation (BDL) for 5 and 14 days was followed by choledocho-duodenal fistula as the relief of obstruction. Hepatic functional mass measured by ABT and GaTT revealed a remarkable decrease at 5 and 14 days after BDL without differences in grades. These depressed values returned to the preoperative ones in 10 to 20 days after the relief of obstruction. On the contrary, hepatic protein synthesis was reciprocally enhanced after BDL. After the relief of obstruction the enhancement of hepatic protein synthesis was prolonged and then returned to the normal level in 20 days. These data suggested that in obstructive jaundice hepatic protein synthesis was stimulated by several stress and continued to be enhanced even after the relief of obstruction. These enhancement of hepatic protein synthesis would induce to decrease hepatic functional mass.
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