Treatment of pyogenic liver abscess: Prospective randomized comparison of catheter drainage and needle aspiration

Simon C.H. Yu, Simon S.M. Ho, Wan Y. Lau, Deacons T.K. Yeung, Edmund H.Y. Yuen, Paul S.F. Lee, Constantine Metreweli – 25 March 2004 – This study aims to compare the therapeutic effectiveness of continuous catheter drainage versus intermittent needle aspiration in the percutaneous treatment of pyogenic liver abscesses.

Analyses of hepatocellular proliferation in a mouse model of α‐1‐antitrypsin deficiency

David A. Rudnick, Yunjun Liao, Jae‐Koo An, Louis J. Muglia, David H. Perlmutter, Jeffrey H. Teckman – 25 March 2004 – α‐1‐Antitrypsin (α1‐AT) deficiency is the most common cause of metabolic pediatric liver disease. Hepatocellular injury is caused by toxicity of the mutant α‐1‐antitrypsin Z (α1‐ATZ) molecule retained within hepatocytes. In these studies, we used the PiZ transgenic mouse model of α1‐AT deficiency to examine hepatocellular proliferation in response to chronic liver injury resulting from this metabolic disease.

A randomized controlled trial of colchicine plus ursodiol versus methotrexate plus ursodiol in primary biliary cirrhosis: Ten‐year results

Marshall M. Kaplan, Steven Cheng, Lori Lyn Price, Peter A. L. Bonis – 25 March 2004 – Primary biliary cirrhosis frequently progresses despite treatment with ursodeoxycholic acid (UDCA), the only approved therapy. Previous studies suggested that colchicine and methotrexate may improve biochemical tests of liver function, symptoms, and liver histology. The aim of the present study was to determine if the addition of colchicine or methotrexate to UDCA would improve survival free of liver transplantation.

Celecoxib‐induced apoptosis in rat cholangiocarcinoma cells mediated by Akt inactivation and Bax translocation

Zichen Zhang, Guan‐Hua Lai, Alphonse E. Sirica – 25 March 2004 – Recently, we demonstrated that the cyclooxygenase‐2 (COX‐2) inhibitor celecoxib acts to significantly suppress the growth of rat C611B cholangiocarcinoma (ChC) cells in vitro. To establish a molecular mechanism for this growth suppression, we investigated the effects of celecoxib on apoptotic signaling pathways in cultured rat C611B ChC cells.

A murine model of type 2 autoimmune hepatitis: Xenoimmunization with human antigens

Pascal Lapierre, Idriss Djilali‐Saiah, Susana Vitozzi, Fernando Alvarez – 25 March 2004 – Autoimmune hepatitis (AIH) is characterized by an immune‐mediated injury of the hepatic parenchyma of unknown pathogenesis. Type 2 AIH is identified by the presence of anti‐liver‐kidney microsomes type 1 (anti‐LKM1) and anti‐liver cytosol type 1 (anti‐LC1) autoantibodies. The current study shows that a murine model of AIH can be generated by DNA immunization against type 2 AIH self‐antigens (P450 2D6 and formiminotransferase‐cyclodeaminase).

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