Pathways of intracellular trafficking and release of ferritin by the liver in vivo: The effect of chloroquine and cytochalasin D

Grant A. Ramm, Lawrie W. Powell, June W. Halliday – 1 February 1994 – We have previously shown that the clearance of exogenous ferritin and the release of endogenous ferritin into both serum and bile are altered by the microtubular inhibitor colchicine. In this study we further examined the role of the lysosome‐endosome pathway in ferritin metabolism.

Quantitative assessment of serum IgM anti‐HBc in the natural course and during interferon treatment of chronic hepatitis B virus infection

George Marinos, Heather M. Smith, Nikolai V. Naoumov, Roger Williams – 1 February 1994 – Serum IgM anti‐HBc was determined in 135 chronic HBsAg carriers with various categories of histological activity on liver biopsy and hepatitis B serological profile. Thirty‐three patients were treated with interferon‐α to investigate the correlation between serum IgM anti‐HBc with histological activity and viral replication, to evaluate the usefulness of pretreatment IgM anti‐HBc as a predictor of a successful response to interferon‐α and to examine the IgM anti‐HBc response during this treatment.

Predicting cholangiocarcinoma in patients with primary sclerosing cholangitis: An analysis of the serological marker CA 19‐9

Steven A. Rogers, Daniel K. Podolsky – 1 February 1994 – Primary sclerosing cholangitis (PSC) predisposes to the development of cholangiocarcinoma, a usually fatal complication that is difficult to diagnose. Serum concentrations of CA 19‐9, a tumor‐associated antigen, are frequently increased in patients with only cholangiocarcinoma. The aim of this study was to assess the value of an increased serum CA 19‐9 level for the diagnosis of cholangiocarcinoma in patients with preexisting PSC.

Endotoxin‐induced cytokine gene expression and excretion in the liver

Michael I. Luster, Dori R. Germolec, Takahiko Yoshida, Fujio Kayama, Morrow Thompson – 1 February 1994 – Peptide mediators, including tumor necrosis factor‐α, interleukin 1 and interleukin‐6, are associated with many chronic inflammatory diseases and septic shock. As such, considerable information has been collected by means of study of cytokine secretion from isolated cells or plasma cytokines during septic shock or inflammatory disorders.

Modulation of the asialoglycoprotein receptor in human hepatoma cells: Effect of glucose

Peretz Weiss, Gilbert Ashwell, Anatol G. Morell, Richard J. Stockert – 1 February 1994 – The hepatic receptor for asialoglycoproteins was found to be modulated by the glucose concentration in the medium of the human hepatoma cell line HepG2. The surface binding of asialoorosomucoid, a well‐documented ligand for this receptor, increased from 20 ng/mg of cellular protein to about 40 ng/mg as the glucose concentration was increased from 10 to 50 mg/dl.

Augmentation of portal blood flow improves function of human cirrhotic liver

Jorge E. Cardoso, Chantal Gautreau, Prema Raj Jeyaraj, Dariusz Patrzalek, Brigitte Cherruau, Michel Vaubourdolle, Claire Legendre, Tadeusz Wroblewski, Didier Houssin – 1 February 1994 – In cirrhotic livers, the intrahepatic resistance is increased and drug elimination and portal transhepatic flow are decreased. The aim of our work was to study the effect of a twofold increase in portal blood flow during 2 hr on the hemodynamic parameters, drug elimination and hepatic viability in eight isolated perfused human cirrhotic livers.

T‐cell response to structural and nonstructural hepatitis C virus antigens in persistent and self‐limited hepatitis C virus infections

Carlo Ferrari, Antonietta Valli, Lucia Galati, Amalia Penna, Patrizia Scaccaglia, Tiziana Giuberti, Claudia Schianchi, Gabriale Missale, Maria Grazia Marin, Franco Fiaccadori – 1 February 1994 – Twenty‐nine patients with chronic hepatitis C and 15 asymptomatic hepatitis C virus antibody–positive subjects who clinically recovered from hepatitis C virus infection were studied for their peripheral blood lymphomononuclear cell proliferative response to hepatitis C virus structural and nonstructural antigens (core, envelope, nonstructural 4 and nonstructural 5) expressed in yeast as superoxide d

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