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Expression of epidermal growth factor and fibroblast growth factor in human hepatocellular carcinoma: an
Y Motoo1, N Sawabu, Y Nakanuma
1Department of Internal Medicine, School of Medicine, Kanazawa University, Japan.
Abstract:
Expression of epidermal growth factor (EGF) and fibroblast growth factor (FGF) was examined in 56 patients with hepatocellular carcinoma (HCC) using an immunohistochemical method. EGF and FGF were expressed on carcinoma cells in 14 (25%) and 23 cases (41%), respectively. In the 23 FGF-positive cases, 11 cases were positive for both acidic and basic FGF, while 18 were positive for acidic FGF, and 16 were positive for basic FGF. In non-cancerous hepatic tissues, FGF was weakly positive in macrophages, hepatocytes and vascular endothelial cells in some cases, while EGF was totally negative. There were no significant correlations between the expression of EGF or FGF on carcinoma cells and the various clinicopathologic factors examined. These data suggest that EGF and FGF are produced by human HCC cells in vivo. The roles of the expression of these growth factors in the development and progression of HCC remain only speculative.
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