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Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
12:42

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Published on: January 7, 2019

Viral elements sense tumorigenic processes: approaching selective cancer therapy

Klaas Kooistra1, Ying-Hui Zhang, Mathieu H M Noteborn

  • 1Biological Chemistry, Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.

Mini Reviews in Medicinal Chemistry
|November 30, 2007
PubMed

Insights

Viruses offer dual roles in cancer: some oncoproteins drive cancer, while others, like apoptin, selectively kill tumor cells. Understanding these viral proteins is key to developing new cancer therapies.

Area of Science:

  • Oncology
  • Virology
  • Molecular Biology

Background:

  • Viral oncoproteins can induce genetic alterations, promoting neoplastic transformation and cancer development.
  • Certain viruses encode proteins that disrupt the balance between cell proliferation and cell death, crucial processes in cancer.
  • Viruses also produce components that can selectively target and eliminate tumor cells.

Purpose of the Study:

  • To review recent studies on viral elements impacting tumorigenesis.
  • To explore the development of novel anti-cancer therapies based on viral components.
  • To highlight viral proteins with tumor-selective apoptosis-inducing capabilities.

Main Methods:

  • Literature review of studies on viral oncoproteins and tumor-selective viral proteins.
  • Analysis of viral protein interactions with cellular components involved in cancer.
  • Examination of pre-clinical data on viral-derived anti-cancer agents.

Main Results:

  • Viral oncoproteins (e.g., from SV40, Epstein-Barr virus) contribute to cancer by altering cell proliferation and death pathways.
  • Viral proteins like apoptin (avian virus) and E4orf4 (adenovirus) demonstrate tumor-specific killing properties.
  • Apoptin induces tumor regression in pre-clinical models with minimal side effects.
  • Interactions of viral proteins with cellular targets (e.g., anaphase promoting complex, protein phosphatase 2A) are identified.

Conclusions:

  • Viral proteins represent a significant area for understanding cancer development and therapeutic strategies.
  • Viral components with tumor-selective killing mechanisms offer promising avenues for novel anti-cancer drug development.
  • Targeting viral protein interactions with cellular machinery provides new opportunities for cancer therapy.

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