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Oncolytic Vaccinia virus and radiotherapy in head and neck cancer.

Mansfield, D, Pencavel, T, Kyula, JN, Zaidi, S, Roulstone, V, Thway, K, Karapanagiotou, L, Khan, AA, McLaughlin, M, Touchefeu, Y , Seth, R, Melcher, AA, Vile, RG, Pandha, HS and Harrington, KJ (2012) Oncolytic Vaccinia virus and radiotherapy in head and neck cancer. Oral Oncol.

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Abstract

OBJECTIVE: Oncolytic forms of attenuated Vaccinia virus are now in clinical development, assessing the compatibility of this novel treatment with radiotherapy may reveal exploitable synergistic relationships. MATERIALS AND METHODS: In vitro analyses of cell killing, cell cycle effects and caspase activation were carried out on HN3, HN5, CAL27, Detroit, SIHN5B, and PJ41 cells. In vivo studies of the virus and X-radiation were performed on H&N xenografts in CD1 nude mice. RESULTS: Cell killing in vitro was demonstrated to be dose- and time-dependent. Infection causes an increase in S-phase and sub-G1 cells. A dose dependent increase in active caspase-3 indicated induction of apoptosis. Xenografts injected with Vaccinia stabilised and frequently completely regressed. Combination with radiation generated additional cell death, induction of caspase activity and in vivo further improved long term regression rates. CONCLUSIONS: These data support continued exploration of this therapy combination and indicates potential for clinical trials in head and neck cancer.

Item Type: Article
Authors :
NameEmailORCID
Mansfield, DUNSPECIFIEDUNSPECIFIED
Pencavel, TUNSPECIFIEDUNSPECIFIED
Kyula, JNUNSPECIFIEDUNSPECIFIED
Zaidi, SUNSPECIFIEDUNSPECIFIED
Roulstone, VUNSPECIFIEDUNSPECIFIED
Thway, KUNSPECIFIEDUNSPECIFIED
Karapanagiotou, LUNSPECIFIEDUNSPECIFIED
Khan, AAUNSPECIFIEDUNSPECIFIED
McLaughlin, MUNSPECIFIEDUNSPECIFIED
Touchefeu, YUNSPECIFIEDUNSPECIFIED
Seth, RUNSPECIFIEDUNSPECIFIED
Melcher, AAUNSPECIFIEDUNSPECIFIED
Vile, RGUNSPECIFIEDUNSPECIFIED
Pandha, HSh.pandha@surrey.ac.ukUNSPECIFIED
Harrington, KJUNSPECIFIEDUNSPECIFIED
Date : 24 August 2012
Identification Number : 10.1016/j.oraloncology.2012.07.019
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 09:45
Last Modified : 17 May 2017 14:44
URI: http://epubs.surrey.ac.uk/id/eprint/824989

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