Endothelins 1 and 3: Potent cholestatic agents secreted and excreted by the liver that interact with cyclosporine

Renata E. Bluhm, Marshall G. Frazer, Mary Vore, C. Wright Pinson, Kamal F. Badr – 1 October 1993 – Autoradiographic studies have shown that the liver accumulates endothelin. High‐affinity binding sites for endothelin have been identified on rat liver plasma membranes. We investigated the role of endothelin isopeptides as mediators of cholestasis with isolated rat liver perfused by a recirculating solution of buffer and blood.

Zonal distribution of protein‐acetaldehyde adducts in the liver of rats fed alcohol for long periods

Renee C. Lin, Feng C. Zhou, Michael J. Fillenwarth, Lawrence Lumeng – 1 October 1993 – Acetaldehyde, a highly reactive intermediate of alcohol metabolism, has been shown to form adducts with liver proteins in rats fed alcohol for long periods. In this report, the zonal distribution of liver proteinacetaldehyde adducts that formed in vivo was studied by means of histoimmunostaining. Rats were pair‐fed alcohol‐containing and alcohol‐free AIN'76 liquid diets for 2 or 11 wk before they were killed and subjected to whole body perfusion with paraformaldehyde.

Multiple‐dose pharmacokinetics of rufloxacin in patients with cirrhosis

David R. Triger, Fernando Granai, Jocelyn Woodcock, Richard Wise, Bruno P. Imbimbo – 1 October 1993 – The multiple‐dose pharmacokinetics of rufloxacin were investigated in 13 patients with biopsy‐proven cirrhosis and in 5 healthy controls. Rufloxacin was administered once a day for 5 consecutive days, starting with a loading dose of 400 mg on day 1 and 200 mg on the subsequent days. Plasma and urinary drug concentrations were determined by high‐performance liquid chromatography and a microbiological assay.

Lessons from the repression of the α‐fetoprotein gene in the adult liver

Bahri M. Bilir – 1 October 1993 – The developmental regulation of the α‐fetoprotein (AFP) gene in liver results in high‐level expression in the fetus, followed by dramatic transcriptional repression after birth. We have examined the mouse AFP gene for transcriptional control sequences that may be involved in its postnatal repression in liver.

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