Determination of the transforming activities of adenovirus oncogenes

Thomas Speiseder, Michael Nevels, Thomas Dobner

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


The last 50 years of molecular biological investigations into human adenoviruses (Ads) have contributed enormously to our understanding of the basic principles of normal and malignant cell growth. Much of this knowledge stems from analyses of the Ad productive infection cycle in permissive host cells. Also, initial observations concerning the transforming potential of human Ads subsequently revealed decisive insights into the molecular mechanisms of the origins of cancer and established Ads as a model system for explaining virus-mediated transformation processes. Today it is well established that cell transformation by human Ads is a multistep process involving several gene products encoded in early transcription units 1A (E1A) and 1B (E1B). Moreover, a large body of evidence now indicates that alternative or additional mechanisms are engaged in Ad-mediated oncogenic transformation involving gene products encoded in early region 4 (E4) as well as epigenetic changes resulting from viral DNA integration. In particular, studies on the transforming potential of several E4 gene products have now revealed new pathways that point to novel general mechanisms of virus-mediated oncogenesis. In this chapter we describe in vitro and in vivo assays to determine the transforming and oncogenic activities of the E1A, E1B, and E4 oncoproteins in primary baby rat kidney cells, human amniotic fluid cells and athymic nude mice.
Original languageEnglish
Pages (from-to)105-15
Number of pages11
JournalMethods in molecular biology (Clifton, N.J.)
Early online date24 Sept 2014
Publication statusPublished - 2014


  • Adenoviruses, human
  • Animals
  • Cell transformation, viral
  • Heterografts
  • Humans
  • Mice
  • Oncogenes
  • Primary cell culture
  • Rats
  • Transduction, genetic
  • Tumor stem cell assay
  • Viral proteins


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