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Aneuploidy and oncoviruses.

Fateme Taheri1, Hossein Goudarzi1, Ebrahim Faghihloo1

  • 1Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Reviews in Medical Virology
|August 14, 2019
PubMed
Summary

Seven oncogenic viruses drive human cancers through various mechanisms. This review explores how viral oncoproteins induce aneuploidy, a hallmark of cancer, potentially aiding tumor development and offering new therapeutic targets.

Keywords:
aneuploidycancervirus

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Area of Science:

  • Oncology
  • Virology
  • Cell Biology

Background:

  • Seven oncogenic viruses are linked to human tumorigenesis, accounting for 12% of all cancer cases.
  • Mechanisms of viral oncogenesis, target tissues, and cancer pathology differ significantly among these viruses.
  • Aneuploidy, characterized by abnormal chromosome numbers, is a recognized hallmark of cancer cells.

Purpose of the Study:

  • To review the diverse mechanisms by which viruses induce aneuploidy.
  • To discuss recent findings on the role of viral oncoproteins in promoting cellular aneuploidy.
  • To explore how viral-induced aneuploidy contributes to tumorigenesis.

Main Methods:

  • Literature review of oncogenic viruses and cancer development.
  • Analysis of proposed mechanisms for viral oncogenesis.
  • Examination of studies linking viral oncoproteins to cellular aneuploidy.

Main Results:

  • Oncogenic viruses employ various strategies to initiate and promote cancer.
  • Viral oncoproteins have been identified as key players in inducing aneuploidy.
  • Aneuploidy induced by viruses may facilitate uncontrolled cell proliferation and tumor formation.

Conclusions:

  • Understanding viral oncogenesis and aneuploidy induction is crucial for cancer prevention.
  • Targeting viral oncoproteins or the resulting aneuploidy may offer novel therapeutic strategies for virus-associated cancers.