The physiological position of the liver in the circulation is not a major determinant of its functional capacity

Gerry T. M. Wagenaar, Robert A. F. M. Chamuleau, Martinus A. W. Maas, Kora De Bruin, Hans A. M. Korfage, Wouter H. Lamers – 1 December 1994 – The zonal patterns of gene expression in the liver of the rat are not affected by alteration of the afferent hepatic blood source. We investigated whether afferent hepatic blood source or flow rate affects the metabolic capacity of the liver. Using microsurgical techniques, we changed the afferent hepatic blood source to solely arterial blood, solely portal blood or solely caval blood.

Neonatal capsaicin treatment does not prevent splanchnic vasodilatation in portal‐hypertensive rats

Mercedes Fernández, Maria Casadevall, Rufina Schuligoi, Pilar Pizcueta, Julián Panés, M. Dolores Barrachina, Josef Donnerer, Josep M. Piqué, Juan V. Esplugues, Jaume Bosch M.D., Juan Rodés, Peter Holzer – 1 December 1994 – It has been suggested that the peripheral sensory neurons are involved in the splanchnic hemodynamic changes of portal hypertension. Therefore the influence of permanent ablation of sensory neurons by neonatal capsaicin pretreatment (50 mg/kg, subcutaneously) on the development of the hyperdynamic splanchnic circulation in portal‐hypertensive rats was studied.

Potential role of bile duct collaterals in the recovery of the biliary obstruction: Experimental study in rats using microcholangiography, histology, serology and magnetic resonance imaging

Yicheng Ni, Gregorius Lukito, Prof.Dr. Guy Marchal, Erwin Cresens, Jie Yu, Carine Petré, Albert L. Baert, Johan Fevery – 1 December 1994 – Obstructive cholestasis induced in animals at the level of the lobar and common bile ducts is known to be reversible with time. This study was conducted not only to test the hypothesis that formation of bile duct collaterals is responsible for the recovery of biliary obstruction but also to assess the potential of hepatobiliary agent‐enhanced magnetic resonance imaging for visualizing cholestasis.

Prevalence of chronic liver disease in the general population of northern Italy: The dionysos study

Stefano Bellentani, Claudio Tiribelli, Gioconda Saccoccio, Marino Sodde, Nicoletta Fratti, Christina De Martin, Giovanni Christianini – 1 December 1994 – Data on the prevalence of chronic liver disease, derived from selected series of hospitalized patients or from mortality registers, underestimate the prevalence of chronic liver disease. The Dionysos Study is a cohort study that investigated for the first time the prevalence of chronic liver disease in a general population.

Distribution of vitronectin in plasma and liver tissue: Relationship to chronic liver disease

Junko Kobayashi, Sadako Yamada, Hironaka Kawasaki – 1 December 1994 – To clarify the clinical significance of vitronectin, we compared the concentration of plasma vitronectin with serum fibrous markers and liver function test values in patients with chronic liver diseases. We also evaluated the vitronectin content in the liver by means of enzyme‐linked immunosorbent assay and the localization of vitronectin in liver tissue with enzyme immunohistochemistry.

Gastric microcirculatory changes of Portal‐hypertensive rats can be attenuated by long‐term Estrogen‐progestagen treatment

Julián Panés, Maria Casadevall, Mercedes Fernández, Josep M. Piqué, Jaume Bosch, Roser Casamitjana, Isabel Cirera, Josep A. Bombí, Josep Terés, Juan Rodés – 1 November 1994 – It has been suggested that estrogen‐progestagen therapy may be useful in preventing bleeding from gastric angiodysplasia, a vascular lesion similar to that described in portal‐hypertensive gastropathy. In this study we assessed the effects of estrogen‐progestagen therapy on gastric microcirculation and systemic and splanchnic hemodynamics in portal‐hypertensive and sham‐operated rats.

Expression of Mucin core protein of mammary type in primary liver cancer

Motoko Sasaki, Yasuni Nakanuma – 1 November 1994 – Expression of mucin core protein of mammary type (MUC‐1 core protein) was investigated in primary hepatic carcinoma (25 cases of cholangiocarcinoma, 15 cases of combined hepatocellular‐cholangiocellular carcinoma and 18 cases of hepatocellular carcinoma) with monoclonal antibody DF3 and a standard avidinbiotin complex method.

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