RNA‐binding protein insulin‐like growth factor II mRNA‐binding protein 3 expression promotes tumor invasion and predicts early recurrence and poor prognosis in hepatocellular carcinoma

Yung‐Ming Jeng, Cheng‐Chi Chang, Fu‐Chang Hu, Han‐Yi E. Chou, Hsin‐Lien Kao, Ting‐Huang Wang, Hey‐Chi Hsu – 26 September 2008 – Insulin‐like growth factor II mRNA‐binding protein 3 (IMP3) is an RNA‐binding protein expressed in embryonic tissues and multiple cancers. To investigate the role of IMP3 in hepatocellular carcinoma (HCC), its protein expression in the surgically resected unifocal tumors of 377 HCC patients (296 men and 81 women) with ages ranging from 7 to 88 years (mean, 55.49 years) was analyzed by immunohistochemistry.

Control of acute, chronic, and constitutive hyperammonemia by wild‐type and genetically engineered Lactobacillus plantarum in rodents

Charles Nicaise, Deborah Prozzi, Eric Viaene, Christophe Moreno, Thierry Gustot, Eric Quertinmont, Pieter Demetter, Valérie Suain, Philippe Goffin, Jacques Devière, Pascal Hols – 26 September 2008 – Hyperammonemia is a common complication of acute and chronic liver diseases. Often accompanied with side effects, therapeutic interventions such as antibiotics or lactulose are generally targeted to decrease the intestinal production and absorption of ammonia.

Enhanced T cell transmigration across the murine liver sinusoidal endothelium is mediated by transcytosis and surface presentation of chemokines

Arnhild Schrage, Katja Wechsung, Katrin Neumann, Michael Schumann, Jörg‐Dieter Schulzke, Britta Engelhardt, Martin Zeitz, Alf Hamann, Katja Klugewitz – 26 September 2008 – Transmigration through the liver endothelium is a prerequisite for the homeostatic balance of intrahepatic T cells and a key regulator of inflammatory processes within the liver. Extravasation into the liver parenchyma is regulated by the distinct expression patterns of adhesion molecules and chemokines and their receptors on the lymphocyte and endothelial cell surface.

The G protein–coupled receptor G2A: Involvement in hepatic lipid metabolism and gallstone formation in mice

Laura E. Johnson, Marc S. Elias, David T. Bolick, Marcus D. Skaflen, Richard M. Green, Catherine C. Hedrick – 26 September 2008 – The G2A receptor is a member of the ovarian cancer G protein–coupled receptor 1 family of stress‐inducible G protein–coupled receptors. In this study, we examined the hepatobiliary effects of loss of function of G2A in mice fed either a chow or lithogenic diet.

C‐Myc and its target FoxM1 are critical downstream effectors of constitutive androstane receptor (CAR) mediated direct liver hyperplasia

William E. Blanco‐Bose, Mark J. Murphy, Armin Ehninger, Sandra Offner, Christelle Dubey, Wendong Huang, David D. Moore, Andreas Trumpp – 26 September 2008 – In the adult liver, 1,4‐bis[2‐(3,5‐dichloropyridyloxy)]benzene (TCPOBOP), an agonist of the constitutive androstane receptor (CAR, NR1I3), produces rapid hepatomegaly in the absence of injury. In this study, we identify c‐Myc as a gene induced by CAR and demonstrate that TCPOBOP‐induced proliferation of hepatocytes depends on c‐Myc function.

Utility of serum tumor markers, imaging, and biliary cytology for detecting cholangiocarcinoma in primary sclerosing cholangitis

Phunchai Charatcharoenwitthaya, Felicity B. Enders, Kevin C. Halling, Keith D. Lindor – 26 September 2008 – There is limited information on test performance for detecting cholangiocarcinoma in primary sclerosing cholangitis (PSC), particularly when used sequentially. This study aimed to characterize diagnostic performance of serum carbohydrate antigen 19‐9 (CA 19‐9), ultrasonography, computed tomography, magnetic resonance imaging, cholangiography, and biliary cytologic techniques for detecting cholangiocarcinoma in PSC.

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