Transformation by Polyomaviruses

  • Dweepanita Das
  • Michael J. Imperiale


Polyomaviruses are small DNA tumor viruses that encode tumor antigens which interfere with the two major tumor suppressor pathways, pRB and p53. The viral early proteins have been utilized by researchers as model systems to decipher mechanisms relating to oncogenesis and tumorigenesis. Investigation of molecular mechanisms of these early proteins has contributed significantly to our understanding of cell cycle regulation, cell proliferation and growth, and signal transduction pathways. This chapter discusses the oncoproteins of polyomaviruses and how they induce cellular transformation.


Nijmegen Breakage Syndrome Host Cell Protein PP2A Activity Human Mesothelial Cell LXCXE Motif 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank the members of our laboratory for valuable suggestions and helpful comments. This work was supported by NIH grant CA118970.


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Authors and Affiliations

  1. 1.Department of Microbiology and Immunology and Comprehensive Cancer CenterUniversity of Michigan Medical SchoolAnn ArborUSA

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