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- Title
Angiogenic Factor Expression in Hepatic Cirrhosis.
- Authors
Giatromanolaki, Alexandra; Kotsiou, Stamatia; Koukourakis, Michael I.; Sivridis, Efthimios
- Abstract
The pathogenesis of fibrosis in hepatic cirrhosis remains obscure. This study examines the eventual role of angiogenic factors in the fibrotic process. A series of 55 cirrhotic livers was studied for the proliferation state of fibroblasts, and the expression of vascular endothelial growth factor (VEGF), thymidine phosphorylase (TP) and the basic and acidic fibroblast growth factor (bFGF, aFGF) in both fibroblasts and hepatic cells. The angiogenic and/or fibrogenic factors VEGF, TP, bFGF, and aFGF were clearly expressed in regenerative hepatocytes, but not in fibroblasts of diffuse hepatic fibrosis. The immunohistochemical findings suggest that angiogenic factors and factors promoting oxidative stress (i.e., TP) produced by hepatocytes may contribute to the development of fibrous bands in hepatic cirrhosis.
- Subjects
VASCULAR endothelial growth factors; FIBROBLAST growth factors; GROWTH factors; CIRRHOSIS of the liver; LIVER cells
- Publication
Mediators of Inflammation, 2007, Vol 2007, Issue 1, p1
- ISSN
0962-9351
- Publication type
Article
- DOI
10.1155/2007/67187