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). The specificity of nanoprobes for CD20-positive Raji cells was assessed on a clinical magnetic resonance imaging scanner. The receptor binding site of one multivalent nanoprobe was more than that of one RTX, exhibiting valence-dependent induction of Raji cell apoptosis, and this effect could be enhanced by complement activation from blood serum added. A similar activity was observed in vivo in a NHL xenograft model. The multivalent nanoprobe treatment significantly reduced tumor burden and enhanced survival in comparison to the RTX group. Our studies demonstrate that the appropriate design and preparation of anticancer antibody-nanoparticle conjugates enable the generation of improved anticancer nanomedicines and could thus provide an efficient cancer theranostic strategy.
Song et al. (Fri,) studied this question.
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