Elucidating cellular response to treatment with viral immunotherapies in pediatric high-grade glioma and medulloblastoma

HSV G207, a double-stranded, DNA virus, and the polio:rhinovirus chimera, PVSRIPO, a single positive-strand RNA virus, are viral immunotherapies being used to treat pediatric malignant brain tumors in clinical trials. The purpose of this work is to elucidate general response patterns and putative bi...

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Bibliographic Details
Published in:Translational oncology 2024-02, Vol.40, p.101875, Article 101875
Main Authors: Thompson, Eric M, Kang, Kyung-Don, Stevenson, Kevin, Zhang, Hengshan, Gromeier, Matthias, Ashley, David, Brown, Michael, Friedman, Gregory K
Format: Article
Language:English
Subjects:
G207
Medulloblastoma
Oncolytic virus
Original Research
Pediatric high-grade glioma
PVSRIPO
Viral immunotherapy
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Summary:HSV G207, a double-stranded, DNA virus, and the polio:rhinovirus chimera, PVSRIPO, a single positive-strand RNA virus, are viral immunotherapies being used to treat pediatric malignant brain tumors in clinical trials. The purpose of this work is to elucidate general response patterns and putative biomarkers of response. Multiple pediatric high-grade glioma and medulloblastoma cell lines were treated with various multiplicities of infection of G207 or PVSRIPO. There was a significant inverse correlation between expression of one HSV cellular receptor, CD111, and the lethal dose of 50% of cells (LD50) of cells treated with G207 (r = -0.985, P
ISSN:1936-5233
1936-5233
DOI:10.1016/j.tranon.2024.101875