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agents for solid tumors. Curr Cancer Drug Targets 2004, 4: 689–702.CrossRefPubMed Competing interests The authors declare that they have no competing Dimethyl sulfoxide interests. Authors’ contributions WT, YH, SZ, YM, GL carried out the experiments described in the study. The Bifidobacterium infantis -mediated TK/GCV suicide gene therapy system is constructed by WT and YH. Bacterial strains and cultivation is finished by SZ and GL. Experimental of rat model finished by YM and WT. Apoptosis and Immunohistochemical is finished by WT and YH. Statistical analysis is finished by WT and YH. All authors read and approved the final manuscript.”
“Background Lewis y antigen is carried by glycoconjugates (glycoproteins and glycolipids) at cell surface.