Use of thromboelastography PlateletMapping™ to monitor antithrombotic therapy in a patient with Budd‐Chiari syndrome

Katherine James, Elisa Bertoja, James O'Beirne, Susan Mallett – 23 December 2009 – Budd‐Chiari syndrome (BCS) is the end result of a number of disease states resulting in hepatic venous outflow obstruction. We report a Janus kinase 2–homozygous patient with BCS who thrombosed a transjugular intrahepatic portosystemic shunt (TIPS) despite treatment with warfarin (international normalized ratio = 3.0), aspirin, and clopidogrel.

Glycoprotein 130–dependent pathways in host hepatocytes are important for liver repopulation in mice

Darjus F. Tschaharganeh, Michaela Kaldenbach, Stephanie Erschfeld, Jens J. W. Tischendorf, Christian Trautwein, Konrad L. Streetz – 23 December 2009 – Hepatocyte transplantation (HT) is still restricted by the limited amount of transplantable cells. Therefore, a better understanding of the mechanisms involved in cellular engraftment, proliferation, and in vivo selection is important. Here we aimed to evaluate the role of the interleukin 6 (IL‐6)/glycoprotein 130 (gp130) system for liver repopulation.

Novel mechanisms of protection against acetaminophen hepatotoxicity in mice by glutathione and N‐acetylcysteine

Chieko Saito, Claudia Zwingmann, Hartmut Jaeschke – 23 December 2009 – Acetaminophen (APAP) overdose is a major cause of acute liver failure. The glutathione (GSH) precursor N‐acetylcysteine (NAC) is used to treat patients with APAP overdose for up to 48 hours. Although it is well established that early treatment with NAC can improve the scavenging of the reactive metabolite N‐acetyl‐p‐benzoquinone imine, protective mechanisms at later times remain unclear.

Activated monocytes in peritumoral stroma of hepatocellular carcinoma promote expansion of memory T helper 17 cells

Dong‐Ming Kuang, Chen Peng, Qiyi Zhao, Yan Wu, Min‐Shan Chen, Limin Zheng – 23 December 2009 – Although cancer patients exhibit a generalized immunosuppressive status, substantial evidence indicates that the inflammatory reaction at a tumor site can promote tumor growth and progression. Hepatocellular carcinoma (HCC) is usually derived from inflamed cirrhotic liver with extensive leukocyte infiltration. We recently found that proinflammatory T helper (Th)17 cells are accumulated in HCC tissue, where they promote disease progression by fostering angiogenesis.

Portal vein thrombosis and survival in patients with cirrhosis

Michael J. Englesbe, James Kubus, Wajee Muhammad, Christopher J. Sonnenday, Theodore Welling, Jeffrey D. Punch, Raymond J. Lynch, Jorge A. Marrero, Shawn J. Pelletier – 23 December 2009 – The effects of occlusive portal vein thrombosis (PVT) on the survival of patients with cirrhosis are unknown. This was a retrospective cohort study at a single center. The main exposure variable was the presence of occlusive PVT. The primary outcome measure was time‐dependent mortality. A total of 3295 patients were analyzed, and 148 (4.5%) had PVT.

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