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DISPARATE SUICIDE CARRIER CELLS FOR TUMOR TARGETING OF PROMISCUOUS ONCOLYTIC VIRUSES
DISPARATE SUICIDE CARRIER CELLS FOR TUMOR TARGETING OF PROMISCUOUS ONCOLYTIC VIRUSES
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机译:散布的自杀性细胞用于肿瘤性近黏液性病毒的靶向治疗
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摘要
The invention provides compositions and methods for treating neoplastic disease, such as cancer, with an oncolytic virus, such as VSV. A carrier cell is used to target a diseased tissue, and to cloak the oncolytic virus from surveillance by the subject's immune system during a targeting interval. Following delivery of the virus to the target tissue, the lysis of the carrier cell, and of the target cell, by the oncolytic virus, promotes an adaptive tumouricidal immune response. A wide variety of disparate carrier cells may be used, in conjunction with a promiscuous oncolytic virus having broad tropism, in an approach which facilitates successive treatments in which a new carrier will not be susceptible to an adaptive immune response mounted against previously used carriers. The promiscuity of the virus also facilitates lysis of carrier cells and target cells that are allogenic or xenogenic. The lytic phase of the carrier cell infection is staged so that the carrier is administered in an eclipse phase, and lysis follows the conclusion of the therapeutic targeting interval.
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