Mucus hypersecretion in the gallbladder epithelium of ground squirrels fed a lithogenic diet for the induction of cholesterol gallstones

Ramjeet S. Pemsingh, Brian R. Macpherson, Gerald W. Scott – 1 November 1987 – This study identified mucus granules, determined mode of release and quantified their volume in the gallbladder epithelium of Richardson's ground squirrels (Spermophilus richardsonii) fed a lithogenic diet of 2% cholesterol to experimentally induce gallstone formation. Tissue was examined using light microscopy histochemistry, scanning and transmission electron microscopy, as well as autoradiography and morphometry at the electron microscopic level.

Hepatic heme synthesis in a new model of experimental hemochromatosis: Studies in rats fed finely divided elemental iron

Herbert L. Bonkovsky, John F. Healey, Beth Lincoln, Bruce R. Bacon, David F. Bishop, George H. Elder – 1 November 1987 – Rats fed chow containing finely divided elemental iron (from carbonyl‐iron) develop hepatic iron overload resembling human hereditary hemochromatosis in that deposition of iron is primarily in periportal hepatocytes and with hepatic iron concentrations sufficiently high to be associated in the human disease with hepatic fibrosis or cirrhosis.

FM ultrasonography: A revolution?

Peter N. Burns, Lynwood Hammers – 1 November 1987 – FM sonography—a signal‐processing technique that uses frequency and phase information as well as amplitude data—shows promise in evaluation of patients with diffuse liver disease. In a prospective blinded review of 37 patients with biopsyproved liver disease and 42 healthy volunteers, FM sonography was clearly superior to traditional amplitude‐based (AM) sonography in distinguishing healthy from diseased subjects.

Electron microscopic evaluation of brain edema in rabbits with galactosamine‐induced fulminant hepatic failure: Ultrastructure and integrity of the blood‐brain barrier

Peter G. Traber, Mauro Dal Canto, Daniel R. Ganger, Andres T. Blei – 1 November 1987 – Brain edema is a major complication of fulminant hepatic failure and is responsible for death in a large percentage of patients. We previously demonstrated the progressive accumulation of water in grey matter areas of the brain in the rabbit with galactosamine‐induced fulminant hepatic failure.

Increase in the number of fenestrae in mouse endothelial liver cells by altering the cytoskeleton with cytochalasin B

Anne‐Marie Steffan, Jean‐Louis Gendrault, André Kirn – 1 November 1987 – Endothelial cells of the hepatic sinusoid isolated from mice livers and maintained in culture display typical fenestrae grouped in sieve plates. Treatment with cytochalasin B led to no significant change in the mean diameter of the fenestrae but to an increase in their number and in the porosity of the cells (percentage of the cellular surface opened by the fenestrae) which attained up to 300% of that of the controls.

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