Targeting Leukemia Cells with Oncolytic Adenoviruses Expressings CAR-ligand

来源 :2013第六届世界癌症大会 | 被引量 : 0次 | 上传用户:zxj3510
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  Due to low expression of coxsackie-adenovirus recptor (CAR) in leukemia cells, the utility of type 5 adenoviruses (Ad5) in leukemic treatment is limited.We constructed recombinant sCAR-ligand fusion proteins including sCAR-IL3 and sCAR-4NI, which successfully transduced Ad5 into CD123+ or CD47+ leukemia cells.Based on this observation, oncolytic adenoviruses Ad.sp-EIAsCAR-IL3 and Ad.sp-E1A-sCAR-4NI were constructed, in which the viral E1A was controlled by a survivin promoter, and sCAR-IL3 or sCAR-4N1 fusion gene expression cassette was inserted into the viral genome.
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