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Related Experiment Video

Updated: Jan 31, 2026

Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus
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Oncolytic herpes simplex virus and immunotherapy.

Wenqing Ma1, Hongbin He2, Hongmei Wang3

  • 1Ruminant Diseases Research Center, Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan, 250014, China.

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|December 20, 2018
PubMed
Summary

Genetically modified herpes simplex virus (HSV) shows promise as an oncolytic virus therapy for cancer. Oncolytic HSV (oHSV) evades immune responses, offering enhanced anti-tumor effects when combined with other treatments.

Keywords:
CancerGenetically engineeredImmune escapeOncolytic herpes simplex virusOncolytic viral therapy

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Area of Science:

  • Virology
  • Oncology
  • Immunotherapy

Background:

  • Oncolytic viruses, including herpes simplex virus (HSV), are being developed as targeted cancer therapies.
  • HSV's natural ability to evade host antiviral responses makes it a suitable candidate for oncolytic virus therapy.
  • Genetic modifications of HSV can enhance its tumor-targeting and oncolytic capabilities.

Purpose of the Study:

  • To review the mechanisms by which HSV evades host antiviral responses.
  • To outline the generation and clinical applications of oncolytic HSV (oHSV) strains.
  • To discuss the combination of oHSV with other cancer therapeutics.

Main Methods:

  • Review of literature on HSV immune evasion mechanisms.
  • Analysis of genetic modifications in oHSV strains (e.g., gene deletions/insertions).
  • Summary of clinical data for various oHSV candidates and combination therapies.

Main Results:

  • HSV utilizes immune evasion genes (ICP34.5, ICP0, Us3) to establish infection.
  • Engineered oHSV strains (e.g., G207, OncoVEX) involve deletions or therapeutic gene insertions.
  • oHSV has demonstrated efficacy in clinical trials, particularly when combined with immunotherapy and chemotherapy.

Conclusions:

  • oHSV exhibits significant potential as an immunotherapy agent for cancer treatment.
  • Further research into oHSV applications could lead to improved patient outcomes.
  • Combination strategies involving oHSV may enhance therapeutic benefits for cancer patients.