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Effects of oncolytic viruses and viral vectors on immunity in glioblastoma

Penghao Liu1, Yaning Wang1, Yuekun Wang1

  • 1Departments of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.

Gene Therapy
|November 16, 2020
PubMed

Insights

Oncolytic virotherapies are being re-evaluated for glioblastoma (GBM) treatment, showing promise in stimulating immune responses against the tumor microenvironment. Integrating these virotherapies into multidisciplinary GBM management is crucial for improving outcomes.

Area of Science:

  • Neuro-oncology
  • Immunotherapy
  • Virology

Background:

  • Glioblastoma (GBM) presents a significant clinical challenge with limited therapeutic options and poor prognosis.
  • Virotherapies, leveraging oncolytic viruses, are being revisited for cancer treatment.
  • Emerging evidence suggests virotherapies can modulate the immunosuppressive GBM microenvironment through immune stimulation.

Purpose of the Study:

  • To review the immune responses elicited by oncolytic virotherapies and viral vectors in glioblastoma.
  • To summarize current advancements in GBM virotherapy.
  • To discuss the limitations and lessons learned from past virotherapy trials in GBM.

Main Methods:

  • Literature review focusing on oncolytic virotherapies and their immunogenic effects in GBM.
  • Analysis of immune responses induced by viral vectors in the context of GBM.
  • Synthesis of data from preclinical studies and clinical trials.

Main Results:

  • Virotherapies demonstrate potential in remodeling the GBM tumor microenvironment by inducing immunogenic responses.
  • Accumulating evidence supports the role of virotherapies in enhancing anti-tumor immunity.
  • Understanding and harnessing these immune responses are key to successful GBM treatment.

Conclusions:

  • Oncolytic virotherapies offer a promising avenue for GBM treatment by engaging the immune system.
  • The integration of virotherapy-induced immune responses into multidisciplinary GBM management strategies is essential.
  • Further research and careful trial design are needed to overcome limitations and optimize virotherapy efficacy in GBM.

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