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AIM: To evaluate the effect of chronic thrombin inhibition by heparin on experimentally induced chronic liver injury (liver fibrosis) in rats. METHODS: Chronic liver injury (liver fibrosis) was induced in Wistar rats by oral administration of carbon tetrachloride (CCl 4 ) for 7 wk, an animal model with persistent severe hepatic fibrosis. Intravenous administration of the thrombin antagonist (heparin) started 1 wk after the start of CCl 4 intoxication for 6 wk. After completion of treatment (7 wk), markers of hepatic dysfunction were measured and changes evaluated histopathologically. RESULTS: Higher serum glutamate oxaloacetate transaminase (SGOT), serum glutamate pyruvate transaminase (SGPT), alkaline phosphatase (ALP), total, direct and indirect bilirubin levels, as well as lower fibrinogen levels, were found in CCl 4 intoxicated rats. Heparin, silymarin and combination of drug (heparin and silymarin) treatment for 6 wk prevented a rise in SGOT, SGPT, ALP, total, direct and indirect bilirubin levels and improved fibrinogen levels. Deterioration in hepatic function determined by the fibrosis area was retarded, as evident from hepatic histopathology. Total protein levels were not changed in all groups.CONCLUSION: Heparin, a thrombin antagonist, preserved hepatic function and reduced severity of hepatic dysfunction/fibrogenesis. Combination of heparin and silymarin produced additional benefits on liver fibrosis.
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篇名 Antifibrotic effect of heparin on liver fibrosis model in rats
来源期刊 世界胃肠药理与治疗学杂志:英文版(电子版) 学科 医学
关键词 Hepatic dysfunction Liver fibrosis Carbon TETRACHLORIDE HEPARIN THROMBIN ANTAGONIST
年,卷(期) 2012,(6) 所属期刊栏目
研究方向 页码范围 86-92
页数 7页 分类号 R575.2
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Hepatic
dysfunction
Liver
fibrosis
Carbon
TETRACHLORIDE
HEPARIN
THROMBIN
ANTAGONIST
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世界胃肠药理与治疗学杂志:英文版(电子版)
双月刊
2150-5349
北京市朝阳区东四环中路62号楼远洋国际中
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323
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0
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0
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