The pathology of liver allograft surving longer than one year

Raouf E. Nakhleh, Sarah J. Schwarzenberg, Joseph Bloomer, William Payne, Dale C. Snover – 1 March 1990 – Although prolonged survival after liver transplantation is now common, the condition of allografts after prolonged survival has not been widely discussed. We reviewed 86 biopsy samples from 38 patients. The samples were obtained between 366 and 1,622 days after transplant. Thirteen patients' biopsy samples were normal or showed minor changes. Six patients' samples showed rejection. Four patients, including two with rejection, demonstrated ischemic change.

Hyperprolinemia and lactatemia in alcoholic liver disease: Relationships to abstinence and histological findings

Marcos Rojking – 1 March 1990 – It has not yet been established whether serum proline and blood lactate levels are increased in alcoholic liver disease. We measured serum proline and blood lactate in controls and in patients with different stages of alcoholic liver disease in the absence of hepatic failure. Samplings were done in both abstinent and drinking alcoholics. Compared to controls, there was a striking increase in serum proline levels in 52 abstinent alcoholics with little or no hepatic fibrosis by histological assessment (0.10 ± 0.01 vs. 0.155 ± 0.008; p < 0.005).

Reversal of the behavioral and electrophysiological abnormalities of an animal model of hepatic encephalopathy by benzodiazepine receptor ligands

Sergio H. Gammal, Anthony S. Basile, David Geller, Phil Skolnick, E. Anthony Jones – 1 March 1990 – Behavioral and electrophysiological evidence implicating the GABA‐benzodiazepine receptor complex in the pathogenesis of hepatic encephalopathy was obtained using an improved rat model of hepatic encephalopathy caused by thioacetamide‐induced fulminant hepatic failure. After the administration of thioacetamide together with supportive therapy, acute hepatocellular failure developed in rats as a result of massive hepatocellular necrosis without evidence of renal failure or hypoglycemia.

Purine nucleoside phosphorylase: A new marker for free oxygen radical injury to the endothelial cell

Prakash N. Rao, Thomas R. Walsh, Leonard Makowka, Randy S. Rubin, Thomas Weber, James T. Snyder, Thomas E. Starzl – 1 February 1990 – The effect of ischemia and reperfusion on purine nucleoside phosphorylase was studied in an isolated perfused rat liver model. This enzyme is localized primarily in the cytoplasm of the endothelial and Kupffer cells; some activity is associated with the parenchymal cells. Levels of this enzyme accurately predicted the extent of ischemia and reperfusion damage to the microvascular endothelial cell of the liver.

Molecular characterization of a new variant of hepatitis b virus in a persistently infected homosexual man

Ramesh A. Bhat, Paul P. Ulrich, Girish N. Vyas – 1 February 1990 – Based on the diversity of nucleotide sequences of cloned hepatitis B virus DNA genomes, we have predicted possible replication of genetic variants of human hepatitis B virus. This prediction is exemplified by studies of a chronic carrier of HBsAg/adw2, who lacked anti‐HBc but carried exceedingly high levels of hepatitis B virus DNA in serum.

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