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Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus
06:14

Growth, Purification, and Titration of Oncolytic Herpes Simplex Virus

Published on: May 13, 2021

7.5K

Stability and anti-tumor effect of oncolytic herpes simplex virus type 2

Yang Wang1, Jing Jin1, Zhen Wu1

  • 1National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Hubei University of Technology, Wuhan, 430068, Hubei, China.

Oncotarget
|June 7, 2018
PubMed

Insights

A novel oncolytic herpes simplex virus type 2 (OH2) shows stable physical, genetic, and biological traits. This potent oncolytic virus demonstrates consistent anti-tumor activity, making it a promising candidate for cancer therapy.

Area of Science:

  • Oncolytic Virotherapy
  • Cancer Research
  • Virology

Background:

  • Oncolytic virotherapy utilizes viruses for selective tumor cell killing and replication.
  • Herpes simplex virus type 2 (HSV-2) is being engineered for cancer treatment.
  • A comprehensive stability and efficacy assessment of engineered HSV-2 is needed.

Purpose of the Study:

  • To construct and systematically evaluate a novel oncolytic HSV-2 (OH2) for human cancer treatment.
  • To assess the physical, gene modification, and biological stability of OH2.
  • To determine the anti-tumor efficacy of OH2 in an animal model.

Main Methods:

  • Construction of OH2, an engineered oncolytic HSV-2.
  • Evaluation of physical characteristics and genetic integrity (deletions/insertions) of OH2.
  • Assessment of biological stability and anti-tumor activity through multiple viral passages and in vivo studies.

Main Results:

  • OH2 demonstrated stable physical characteristics and consistent genetic modifications.
  • The virus maintained its biological traits and anti-tumor activity over 20 generations.
  • OH2 exhibited potent oncolytic effects against tumor cells in preclinical models.

Conclusions:

  • OH2 possesses stable structural and biological properties.
  • The engineered virus is a potent oncolytic agent with sustained anti-tumor efficacy.
  • OH2 represents a promising candidate for oncolytic virotherapy in cancer treatment.
Keywords:
anti-tumor effectherpes simplex virus type 2stability

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