Oncolytic hsv vectors and anti-tumor immunity

Joseph C. Glorioso, Justus B. Cohen, William F. Goins, Bonnie Hall, Joseph W. Jackson, Gary Kohanbash, Nduka Amankulor, Balveen Kaur, Michael A. Caligiuri, E. Antonio Chiocca, Eric C. Holland, Christophe Quéva

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The therapeutic promise of oncolytic viruses (OVs) rests on their ability to both selectively kill tumor cells and induce anti-tumor immunity. The potential of tumors to be recognized and eliminated by an effective anti-tumor immune response has been spurred on by the discovery that immune checkpoint inhibition can overcome tumor-specific cytotoxic T cell (CTL) exhaustion and provide durable responses in multiple tumor indications. OV-mediated tumor destruction is now recognized as a powerful means to assist in the development of anti-tumor immunity for two important reasons: (i) OVs, through the elicitation of an anti-viral response and the production of type I interferon, are potent stimulators of inflammation and can be armed with transgenes to further enhance anti-tumor immune responses; and (ii) lytic activity can promote the release of tumor-associated antigens (TAAs) and tumor neoantigens that function as in situ tumor-specific vaccines to elicit adaptive immunity. Oncolytic herpes simplex viruses (oHSVs) are among the most widely studied OVs for the treatment of solid malignancies, and Amgen's oHSV Imlygic® for the treatment of melanoma is the only OV approved in major markets. Here we describe important biological features of HSV that make it an attractive OV, clinical experience with HSV-based vectors, and strategies to increase applicability to cancer treatment.

Original languageEnglish (US)
Pages (from-to)381-468
Number of pages88
JournalCurrent Issues in Molecular Biology
Volume41
DOIs
StatePublished - 2020
Externally publishedYes

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology
  • Microbiology (medical)

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