1887

Abstract

Analysis of the molecular mechanisms of viral-mediated oncogenesis has contributed enormously to the understanding of the basic principles of normal/malignant cell growth. Transformation by human adenoviruses is a multi-step process involving the modulation of numerous cellular pathways, leading to inhibition of apoptosis and growth arrest. However, the molecular mechanism of how the adenovirus oncogenes facilitate transformation of rodent cells, while concurrently failing to do so for human cells, remains elusive. In this report, we demonstrate for the first time that the transformation capabilities of adenovirus type 5 oncogenes are not restricted to rodent cells, but include cells of the related mammalian order Lagomorpha, inducing considerable morphological alterations, enhanced cell growth and tumour induction . Furthermore, the established cell lines may represent a suitable tool for further development to generate E4-mutated adenoviruses, which has so far been difficult as mutations within the E4 region often prove to be lethal without a helper-cell system.

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2010-07-01
2019-11-19
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