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Therapeutic Efficacy of Oncolytic Viruses in Fighting Cancer: Recent Advances and Perspective

Ghazal Asadi Garmaroudi1, Farzaneh Karimi2, Leila Ghanbari Naeini3

  • 1School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.

Oxidative Medicine and Cellular Longevity
|August 1, 2022
PubMed

Insights

Oncolytic viruses (OVs) are a promising cancer immunotherapy that replicate in tumor cells, causing lysis and stimulating a robust immune response. Combining OVs with other cancer treatments may enhance efficacy.

Area of Science:

  • Oncology
  • Virology
  • Immunology

Background:

  • Cancer immunotherapy is rapidly advancing, with novel agents targeting tumor biology.
  • Oncolytic viruses (OVs) represent a new frontier in cancer treatment, offering dual action against tumors.
  • Tumors often create an immunosuppressive environment, hindering the immune system's natural defenses.

Purpose of the Study:

  • To review the biological properties of oncolytic viruses.
  • To elucidate the mechanisms underlying OV-mediated anticancer effects.
  • To explore the potential of OVs in combination cancer therapy.

Main Methods:

  • Review of existing literature on oncolytic viruses and cancer immunology.
  • Analysis of OV replication, tumor lysis, and immune stimulation mechanisms.
  • Discussion of preclinical and clinical data on OV efficacy and combination strategies.

Main Results:

  • Oncolytic viruses selectively replicate within cancer cells, leading to tumor cell lysis.
  • OVs activate the immune system, overcoming tumor-induced immunosuppression.
  • Combination therapy with OVs and other cancer agents shows potential for enhanced treatment outcomes.

Conclusions:

  • Oncolytic viruses are a potent immunotherapeutic strategy for cancer treatment.
  • OV-mediated tumor lysis and immune stimulation are key mechanisms of action.
  • Further research into combination therapies could improve cancer treatment efficacy.

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