Hepatic protein synthesis and cytokines in obstructive jaundice] |
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Authors: | F Kimura M Miyazaki T Suwa K Hayashida S Kakizaki H Ito T Kaiho |
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Affiliation: | Department of Surgery, Omiya Red Cross Hospital. |
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Abstract: | To clarify the mechanism of the increase of hepatic protein synthesis observed in the obstructive jaundiced rats, hepatocellular protein synthesis (HPS) and secretory protein synthesis (SPS) were estimated in the rats with obstructive jaundice and the contents of the following in the peripheral blood were determined in 21 patients with obstructive jaundice before and two weeks after percutaneous transhepatic biliary drainage (PTBD): interleukin-1 beta (IL-1 beta), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF alpha), endotoxin (Et), acute-phase protein (APP) and negative acute-phase protein (NAPP). The results: (1) HPS and SPS were markedly increased by obstructive jaundice; (2) IL-1 beta and IL-6 were significantly high and were reduced after PTBD; (3) neither TNF alpha nor Et was detected; (4) APP were significantly high and failed to decline after PTBD; (5) NAPP were significantly low and the contents were restored to the normal levels after PTBD. These results suggest that increased hepatic protein synthesis observed in the rats with obstructive jaundice correspond to the increased hepatic production of APP in patients with obstructive jaundice. |
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