Distribution of hepatitis G viremia and antibody response to recombinant proteins with special regard to risk factors in 709 patients

H Feucht, B Zollner, S Polywka, B Knodler, M Schroter, H Nolte, R Laufs – 30 December 2003 – A new virus named hepatitis G virus (HGV) has been detected recently. Until now, no assays for the detection of antibodies against different HGV proteins have been commercially available. Therefore, a strip immunoblot assay has been established to investigate seroreactivity against recombinant structural (core) and nonstructural proteins (NS3 and NS4) of HGV produced in Escherichia coli.

Tolerance and efficacy of oral ribavirin treatment of chronic hepatitis C: A multicenter trial

H C Bodenheimer, K L Lindsay, G L Davis, J H Lewis, S N Thung, L B Seeff – 30 December 2003 – Hepatitis C is a common cause of chronic liver disease that may progress to cirrhosis. We conducted a multicenter double‐blind placebo‐controlled trial of ribavirin 600 mg given orally twice daily for 36 weeks with follow‐up off therapy for an additional 16 weeks. Fifty‐nine patients with compensated chronic hepatitis C were entered.

Immunohistochemical studies on endothelial cell phenotype in hepatocellular carcinoma

S Nakamura, H Muro, S Suzuki, T Sakaguchi, H Konno, S Baba, A S Syed – 30 December 2003 – To examine the phenotype of the sinusoidal endothelial cells (SECs) surrounding tumor cells and the process of capillarization in hepatocellular carcinoma (HCC), 51 primary HCCs, 4 adrenal metastases, and 3 portal tumor thrombi were immunohistochemically stained with monoclonal antibodies (MAbs) for CD4, CD14 (lipopolysaccharide‐binding protein complex receptors), and CD32 (Fc gamma receptor II), which are specifically found on the SECs in normal liver, but not on ordinary vascular endothelial cells (E

Quantitative graphical description of portocentral gradients in hepatic gene expression by image analysis

W H Lamers, W J Geerts, A Jonker, F J Verbeek, G T Wagenaar, A F Moorman – 30 December 2003 – The liver consists of numerous repeating, randomly oriented, more or less cylindrical units, the lobules. Although enzyme‐histochemical or microbiochemical assays accurately reflect zonal differences in lobular enzyme content, their results cannot be directly compared to biochemical assays. This is because section‐based assays typically sample along a linear portocentral column of cells, even though periportal regions contribute substantially more to hepatic volume than pericentral regions.

Differential activation of heat shock and nuclear factor κB transcription factors in postischemic reperfused rat liver

L Tacchini, L Radice, G Pogliaghi, A Bernelli‐Zazzera – 30 December 2003 – The aim of this study was to investigate the behavior of the transcription factors, heat‐shock factor (HSF) and nuclear factor κB (NF‐κB), in postischemic reperfused liver, with particular attention paid to possible differences in the time‐course and mechanism of activation, which may help in defining their role in the response of the liver to reperfusion. Ischemia was induced by clamping the hilar pedicle of the left lateral and median liver lobes; the clamp was removed after 1 hour.

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