Home FOR AUTHORS Neoplasma 2003 Neoplasma Vol.50, p.131-138, 2003

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Founded: 1954
ISSN 0028-2685
ISSN 1338-4317 (online)

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Neoplasma Vol.50, p.131-138, 2003

Title: Immunocytochemical detection of p21ras, Raf-1, ERK1/MAP kinase and PKC isoforms in a 20-metylcholantrene-induced transformed murine embryonal fibroblast cells in culture
Author: K., BANERJEE ; S.K., DAS ; P., MUKHERJEE ;

Abstract: An immunocytochemical study using antibodies against p21ras, Raf-1, MAP kinase/ERK1 and PKCalpha, beta, gamma, delta, epsilon, zeta, isoforms were performed on a 20-methylcholanthrene-induced transformed murine embryonal fibroblast cells in both in vitro and in vivo growth conditions. Altered expression of p21ras, Raf-1, MAP kinase in this particular cell line strongly supported the previous findings of the activation of one component of signal transduction under the influence of the other in the MAP kinase cascade of signal transduction during neoplastic transformation and which also seemed to be involved in CNCI-PM-20 cell line. The altered expression of PKCalpha, beta, and delta was thought to be an epigenetic event occurring under the indirect influence of other changes in these cells. Host physiology and metabolism did not have much impact on the expression of these gene products after biological incubation of these cells in syngenic host.

Keywords: Chemical carcinogenesis, components of MAP kinase cascade, PKC isoforms.
Year: 2003, Volume: 50, Issue: Page From: 131, Page To: 138



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