Expression of Notch‐1 and its ligand Jagged‐1 in rat liver during liver regeneration

Christoph Köhler, Aaron W. Bell, William C. Bowen, Satdarshan P. Monga, Wolfgang Fleig, George K. Michalopoulos – 25 March 2004 – The Notch/Jagged signaling pathway is important for cellular differentiation and proliferation. Its dysfunction is associated with human pathologies in several tissues including liver. Point mutations in Jagged‐1 gene are the cause for Alagille syndrome, associated with paucity of intrahepatic bile ducts.

Identification of discriminators of hepatoma by gene expression profiling using a minimal dataset approach

Soek Ying Neo, Chon Kar Leow, Vinsensius B. Vega, Philip M. Long, Amirul F.M. Islam, Paul B.S. Lai, Edison T. Liu, Ee Chee Ren – 25 March 2004 – The severity of hepatocellular carcinoma (HCC) and the lack of good diagnostic markers and treatment strategies have rendered the disease a major challenge. Previous microarray analyses of HCC were restricted to the selected tissue sample sets without validation on an independent series of tissue samples. We describe an approach to the identification of a composite discriminator cassette by intersecting different microarray datasets.

Immunohistochemical analysis of Mallory bodies in Wilsonian and non‐Wilsonian hepatic copper toxicosis

Thomas Müller, Cord Langner, Andrea Fuchsbichler, Peter Heinz‐Erian, Helmut Ellemunter, Barbara Schlenck, Ashish R. Bavdekar, Avinash M. Pradhan, Anand Pandit, Josef Müller‐Höcker, Michael Melter, Kunihiko Kobayashi, Hironori Nagasaka, Hideaki Kikuta, Wilfried Müller, M.

Hepatitis C virus‐infected patients report communication problems with physicians

Susan Zickmund, Stephen L. Hillis, Mitchell J. Barnett, Laura Ippolito, Douglas R. LaBrecque – 25 March 2004 – We examined the prevalence and nature of perceived problems in the interaction between physicians and patients diagnosed with hepatitis C virus (HCV) infection. This cross‐sectional study included 322 outpatients diagnosed with chronic HCV infection and treated at a tertiary referral hospital's hepatology clinic.

Kupffer cells required for high affinity peptide‐induced deletion, not retention, of activated CD8+ T cells by mouse liver

Yuhshi Kuniyasu, Suhail Mohammed Marfani, Irteza Bin Inayat, Shehzad Zafar Sheikh, Wajahat Zafar Mehal – 25 March 2004 – The immune response to foreign antigens in the liver is often suboptimal and this is clinically relevant in chronic persistence of hepatotropic viruses. In chronic infection with the hepatitis C virus, activated CD8+ T cells specific for viral epitopes are present in the peripheral blood and the liver, yet viral clearance is unusual.

Kupffer cells alter organic anion transport through multidrug resistance protein 2 in the post–cold ischemic rat liver

Atsushi Kudo, Satoshi Kashiwagi, Mayumi Kajimura, Yasunori Yoshimura, Koji Uchida, Shigeki Arii, Makoto Suematsu – 25 March 2004 – Although Kupffer cells (KCs) may play a crucial role in post–cold ischemic hepatocellular injury, their role in nonnecrotic graft dysfunction remains unknown. This study examined reveal the role of KC in post–cold ischemic liver grafts.

Coordinate expression of regulatory genes differentiates embryonic and perinatal forms of biliary atresia

Dong‐Yi Zhang, Gregg Sabla, Pranavkumar Shivakumar, Greg Tiao, Ronald J. Sokol, Cara Mack, Benjamin L. Shneider, Bruce Aronow, Jorge A. Bezerra – 25 March 2004 – The molecular basis for the embryonic and perinatal clinical forms of biliary atresia is largely undefined. In this study, we aimed to: 1) determine if the clinical forms can be differentiated at the transcriptional level, and 2) search for molecular mechanisms underlying phenotypic differences.

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