Myxoma virus expressing interleukin-15 fails to cause lethal myxomatosis in European rabbits

Jia Liu; Sonia Wennier; Mary Reinhard; Edward Roy; Amy MacNeill; Grant McFadden

doi:10.1128/JVI.00204-09

Myxoma virus expressing interleukin-15 fails to cause lethal myxomatosis in European rabbits

Jia Liu, Sonia Wennier, Mary Reinhard, Edward Roy, Amy MacNeill, Grant McFadden

Carl R. Woese Institute for Genomic Biology

Research output: Contribution to journal › Article › peer-review

Abstract

Myxoma virus (MYXV) is a poxvirus pathogenic only for European rabbits, but its permissiveness in human cancer cells gives it potential as an oncolytic virus. A recombinant MYXV expressing both the tdTomato red fluorescent protein and interleukin-15 (IL-15) (vMyx-IL-15-tdTr) was constructed. Cells infected with vMyx-IL-15-tdTr secreted bioactive IL-15 and had in vitro replication kinetics similar to that of wild-type MYXV. To determine the safety of this virus for future oncolytic studies, we tested its pathogenesis in European rabbits. In vivo, vMyx-IL-15-tdTr no longer causes lethal myxomatosis. Thus, ectopic IL-15 functions as an antiviral cytokine in vivo, and vMyx-IL-15-tdTr is a safe candidate for animal studies of oncolytic virotherapy.

Original language	English (US)
Pages (from-to)	5933-5938
Number of pages	6
Journal	Journal of virology
Volume	83
Issue number	11
DOIs	https://doi.org/10.1128/JVI.00204-09
State	Published - Jun 2009

ASJC Scopus subject areas

Microbiology
Immunology
Insect Science
Virology

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10.1128/JVI.00204-09

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abstract = "Myxoma virus (MYXV) is a poxvirus pathogenic only for European rabbits, but its permissiveness in human cancer cells gives it potential as an oncolytic virus. A recombinant MYXV expressing both the tdTomato red fluorescent protein and interleukin-15 (IL-15) (vMyx-IL-15-tdTr) was constructed. Cells infected with vMyx-IL-15-tdTr secreted bioactive IL-15 and had in vitro replication kinetics similar to that of wild-type MYXV. To determine the safety of this virus for future oncolytic studies, we tested its pathogenesis in European rabbits. In vivo, vMyx-IL-15-tdTr no longer causes lethal myxomatosis. Thus, ectopic IL-15 functions as an antiviral cytokine in vivo, and vMyx-IL-15-tdTr is a safe candidate for animal studies of oncolytic virotherapy.",

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AU - Liu, Jia

AU - Wennier, Sonia

AU - Reinhard, Mary

AU - Roy, Edward

AU - MacNeill, Amy

AU - McFadden, Grant

PY - 2009/6

Y1 - 2009/6

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AB - Myxoma virus (MYXV) is a poxvirus pathogenic only for European rabbits, but its permissiveness in human cancer cells gives it potential as an oncolytic virus. A recombinant MYXV expressing both the tdTomato red fluorescent protein and interleukin-15 (IL-15) (vMyx-IL-15-tdTr) was constructed. Cells infected with vMyx-IL-15-tdTr secreted bioactive IL-15 and had in vitro replication kinetics similar to that of wild-type MYXV. To determine the safety of this virus for future oncolytic studies, we tested its pathogenesis in European rabbits. In vivo, vMyx-IL-15-tdTr no longer causes lethal myxomatosis. Thus, ectopic IL-15 functions as an antiviral cytokine in vivo, and vMyx-IL-15-tdTr is a safe candidate for animal studies of oncolytic virotherapy.

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Myxoma virus expressing interleukin-15 fails to cause lethal myxomatosis in European rabbits

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