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Activated Kupffer cells and macrophages accumulate in necrotic areas in the liver. Osteopontin, an extracellular matrix with RGD sequence, has been shown to act as a chemokine that can induce monocyte migration. The possibility that osteopontin can play a role in infiltration of both cells into hepatic necrotic areas was investigated in rats. Northern blot(More)
Hepatocyte apoptosis occurs during involution of hyperplastic liver induced by administration of xenobiotic compounds in rats. With this hyperplasia and involution, hepatic transforming growth factor (TGF)-beta1 is reported to be expressed to stimulate hepatocyte apoptosis. In regenerating liver after partial resection showing no hyperplasia, such(More)
Activated Kupffer cells provoke massive liver necrosis after endotoxin stimulation through microcirculatory disturbance caused by sinusoidal fibrin deposition in rats undergoing 70% hepatectomy. In these rats, serum activities of purine nucleoside phosphorylase (PNP) and alanine transaminase (ALT) were increased at 1 and 5 hours, respectively, following(More)
The expression of tissue factor pathway inhibitor (TFPI) was investigated in sinusoidal endothelial cells in the liver and endothelial cells in the lung. Northern blot analysis revealed that TFPI mRNA was expressed in the lung, but minimal in the liver. Also, immunohistochemical examination showed that TFPI was not expressed on the sinusoidal endothelial(More)
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