Oncolytic Vesicular Stomatitis Virus in an Immunocompetent Model of MUC1-Positive or MUC1-Null Pancreatic Ductal Adenocarcinoma
| Autor: | Jennifer M. Curry, Nirav Shah, Dahlia M. Besmer, Eric Hastie, Pinku Mukherjee, Andrea M. Murphy, Lopamudra Das Roy, Valery Z. Grdzelishvili, Megan Moerdyk-Schauwecker, Carlos Molestina |
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| Rok vydání: | 2013 |
| Předmět: |
Male
viruses Immunology Context (language use) Adenocarcinoma Biology Microbiology Virus Mice Gene Delivery In vivo Cell Line Tumor Virology medicine Animals Humans Virotherapy MUC1 Mucin-1 Vesiculovirus medicine.disease biology.organism_classification Oncolytic virus Biological Therapy Disease Models Animal Oncolytic Viruses Treatment Outcome Vesicular stomatitis virus Insect Science Carcinoma Pancreatic Ductal |
| Zdroj: | Journal of Virology. 87:10283-10294 |
| ISSN: | 1098-5514 0022-538X |
| DOI: | 10.1128/jvi.01412-13 |
| Popis: | Vesicular stomatitis virus (VSV) is a promising oncolytic agent against various malignancies. Here, for the first time, we tested VSV in vitro and in vivo in a clinically relevant, immunocompetent mouse model of pancreatic ductal adenocarcinoma (PDA). Our system allows the study of virotherapy against PDA in the context of overexpression (80% of PDA patients) or no expression of human mucin 1 (MUC1), a major marker for poor prognosis in patients. In vitro , we tested three VSV recombinants, wild-type VSV, VSV-green fluorescent protein (VSV-GFP), and a safe oncolytic VSV-ΔM51-GFP, against five mouse PDA cell lines that either expressed human MUC1 or were MUC1 null. All viruses demonstrated significant oncolytic abilities independent of MUC1 expression, although VSV-ΔM51-GFP was somewhat less effective in two PDA cell lines. In vivo administration of VSV-ΔM51-GFP resulted in significant reduction of tumor growth for tested mouse PDA xenografts (+MUC1 or MUC1 null), and antitumor efficacy was further improved when the virus was combined with the chemotherapeutic drug gemcitabine. The antitumor effect was transient in all tested groups. The developed system can be used to study therapies involving various oncolytic viruses and chemotherapeutics, with the goal of inducing tumor-specific immunity while preventing premature virus clearance. |
| Databáze: | OpenAIRE |
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