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Methods Mol Biol. 2010;651:279-90. doi: 10.1007/978-1-60761-786-0_16.

Oncolytic HSV as a vector in cancer immunotherapy.

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Department of Molecular Medicine, Mayo Clinic, Rochester, MN, USA.


It is well documented that immunotherapy has a great potential for cancer treatment. The ideal cancer immunotherapeutic strategies should be relatively simple, but able to trick the host's immune system to elicit a robust immune response to the tumor target. Herpes Simplex Virus (HSV) has been engineered for the purpose of oncolysis. These so-called oncolytic HSVs can selectively replicate within tumor cells, resulting in their destruction and in the production of progeny virions that can spread to adjacent tumor cells. In addition to their direct oncolytic effect, tumor lysis by oncolytic viruses releases tumor antigens in their native form and configuration in an individualized way. Immune responses thus generated would be more likely to recognize the original tumor than would tumor vaccines produced by other methods, most of which require extensive in vitro modification and manipulation. Several recently published studies have shown that HSV-elicited antitumor immune responses are an essential part of the overall antitumor effect produced by oncolytic HSVs, not only for controlling primary tumor growth, but also for preventing long distance metastases. In this chapter several key methods will be illustrated to monitor the immune response elicited by oncolytic HSVs.

[Indexed for MEDLINE]

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